chore(deps): update module github.com/hetznercloud/hcloud-go/v2 to v2.34.0 (#152 )

chore(main): release 1.3.0 (#146 )
## [1.3.0](https://github.com/apricote/hcloud-upload-image/compare/v1.2.0...v1.3.0) (2025-12-22) ### Features * add --location flag to specify datacenter region ([#141](https://github.com/apricote/hcloud-upload-image/issues/141)) ([fcbc14a](fcbc14aab6)), closes [#142](https://github.com/apricote/hcloud-upload-image/issues/142)
2026-01-13 13:21:01 +00:00 · 2026-01-09 11:13:40 +01:00 · 2025-12-22 14:20:32 +00:00 · 2025-12-22 14:17:20 +00:00 · 2025-12-22 14:07:29 +00:00 · 2025-12-22 15:00:04 +01:00
39 changed files with 770 additions and 215 deletions
--- a/.github/actions/setup-mdbook/action.yaml
+++ b/.github/actions/setup-mdbook/action.yaml
@ -0,0 +1,16 @@
+name: "Setup mdbook"
+inputs:
+  version:
+    description: "mdbook version"
+
+runs:
+  using: composite
+  steps:
+    - name: Setup mdbook
+      shell: bash
+      env:
+        url: https://github.com/rust-lang/mdbook/releases/download/${{ inputs.version }}/mdbook-${{ inputs.version }}-x86_64-unknown-linux-gnu.tar.gz
+      run: |
+        mkdir mdbook
+        curl -sSL "$url" | tar -xz --directory=./mdbook
+        echo `pwd`/mdbook >> $GITHUB_PATH
--- a/.github/release-please-config.json
+++ b/.github/release-please-config.json
@ -3,7 +3,7 @@
  "include-component-in-tag": false,
  "include-v-in-tag": true,
  "release-type": "go",
-  "group-pull-request-title-pattern": "chore(${branch}): release ${version}",
+  "separate-pull-requests": true,
  "packages": {
    ".": {
      "component": "cli",
@ -16,14 +16,5 @@
      "include-component-in-tag": true,
      "tag-separator": "/"
    }
-  },
-  "plugins": [
-    {
-      "type": "linked-versions",
-      "groupName": "repo",
-      "components": [
-        "cli", "hcloudimages"
-      ]
-    }
-  ]
+  }
 }
--- a/.github/release-please-manifest.json
+++ b/.github/release-please-manifest.json
@ -1 +1 @@
-{".":"0.3.1","hcloudimages":"0.3.1"}
+{".":"1.3.0","hcloudimages":"1.3.0"}
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@ -10,23 +10,23 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6

      - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

      - name: Run golangci-lint (CLI)
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v9
        with:
-          version: v1.62.2 # renovate: datasource=github-releases depName=golangci/golangci-lint
+          version: v2.7.2 # renovate: datasource=github-releases depName=golangci/golangci-lint
          args: --timeout 5m

      - name: Run golangci-lint (Lib)
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v9
        with:
-          version: v1.62.2 # renovate: datasource=github-releases depName=golangci/golangci-lint
+          version: v2.7.2 # renovate: datasource=github-releases depName=golangci/golangci-lint
          args: --timeout 5m
          working-directory: hcloudimages

@ -34,10 +34,10 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6

      - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

@ -48,10 +48,10 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6

      - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

@ -68,10 +68,10 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6

      - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@ -0,0 +1,39 @@
+name: docs
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write # To push a branch
+      pages: write # To push to a GitHub Pages site
+      id-token: write # To update the deployment status
+
+    steps:
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+        with:
+          lfs: "true"
+
+      - uses: ./.github/actions/setup-mdbook
+        with:
+          version: v0.5.2 # renovate: datasource=github-releases depName=rust-lang/mdbook
+
+      - name: Build Book
+        working-directory: docs
+        run: mdbook build
+
+      - name: Setup Pages
+        uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@7b1f4a764d45c48632c6b24a0339c27f5614fb0b # v4
+        with:
+          # Upload entire repository
+          path: "docs/book"
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@ -7,13 +7,24 @@ on:

 jobs:
  release:
+    permissions:
+      contents: read
+      packages: write
+
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@6862ffc5ab2cdb4405cf318a62a6f4c066e2298b
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@ -7,7 +7,8 @@ before:
    - ./scripts/completions.sh

 builds:
-  - env:
+  - id: default
+    env:
      - CGO_ENABLED=0
    goos:
      - linux
@ -21,7 +22,7 @@ builds:
      - -X {{ .ModulePath }}/internal/version.versionPrerelease=

 archives:
-  - format: tar.gz
+  - formats: [ "tar.gz" ]
    # this name template makes the OS and Arch compatible with the results of `uname`.
    name_template: >-
      {{ .ProjectName }}_
@ -33,7 +34,7 @@ archives:
    # use zip for windows archives
    format_overrides:
      - goos: windows
-        format: zip
+        formats: [ "zip" ]

    files:
      - README.md
@ -104,9 +105,23 @@ aurs:
      install -Dm644 "./completions/hcloud-upload-image.zsh" "${pkgdir}/usr/share/zsh/site-functions/_hcloud-upload-image"
      install -Dm644 "./completions/hcloud-upload-image.fish" "${pkgdir}/usr/share/fish/vendor_completions.d/hcloud-upload-image.fish"

+kos:
+  - id: container-images
+    build: default
+    repositories:
+      - ghcr.io/apricote
+    platforms:
+      - linux/amd64
+      - linux/arm64
+    base_import_paths: true
+    labels:
+      org.opencontainers.image.source: https://github.com/apricote/hcloud-upload-image
+    tags:
+      - latest
+      - "{{.Tag}}"

 snapshot:
-  name_template: "{{ .Version }}-dev+{{ .ShortCommit }}"
+  version_template: "{{ .Version }}-dev+{{ .ShortCommit }}"

 changelog:
  # Generated by release-please
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -1,5 +1,50 @@
 # Changelog

+## [1.3.0](https://github.com/apricote/hcloud-upload-image/compare/v1.2.0...v1.3.0) (2025-12-22)
+
+
+### Features
+
+* add --location flag to specify datacenter region ([#141](https://github.com/apricote/hcloud-upload-image/issues/141)) ([fcbc14a](https://github.com/apricote/hcloud-upload-image/commit/fcbc14aab6d495d2c67d653f9ea1ff56a39a8c2f)), closes [#142](https://github.com/apricote/hcloud-upload-image/issues/142)
+
+## [1.2.0](https://github.com/apricote/hcloud-upload-image/compare/v1.1.0...v1.2.0) (2025-11-06)
+
+
+### Features
+
+* change minimum required Go version to 1.24 ([#130](https://github.com/apricote/hcloud-upload-image/issues/130)) ([5eba2d5](https://github.com/apricote/hcloud-upload-image/commit/5eba2d52fe3aafb4fd0d93403548f4c32bc2b5ac))
+* support zstd compression ([#125](https://github.com/apricote/hcloud-upload-image/issues/125)) ([37ebbce](https://github.com/apricote/hcloud-upload-image/commit/37ebbce5179997ac216af274055fc34c777b01e6)), closes [#122](https://github.com/apricote/hcloud-upload-image/issues/122)
+* update default x86 server type to cx23 ([#129](https://github.com/apricote/hcloud-upload-image/issues/129)) ([a205619](https://github.com/apricote/hcloud-upload-image/commit/a20561944d0ba9485a6e10e99df15c56a688541d))
+
+## [1.1.0](https://github.com/apricote/hcloud-upload-image/compare/v1.0.1...v1.1.0) (2025-05-10)
+
+
+### Features
+
+* smaller snapshots by zeroing disk first ([#101](https://github.com/apricote/hcloud-upload-image/issues/101)) ([fdfb284](https://github.com/apricote/hcloud-upload-image/commit/fdfb284533d3154806b0936c08015fd5cc64b0fb)), closes [#96](https://github.com/apricote/hcloud-upload-image/issues/96)
+
+
+### Bug Fixes
+
+* upload from local image generates broken command ([#98](https://github.com/apricote/hcloud-upload-image/issues/98)) ([420dcf9](https://github.com/apricote/hcloud-upload-image/commit/420dcf94c965ee470602db6c9c23c777fda91222)), closes [#97](https://github.com/apricote/hcloud-upload-image/issues/97)
+
+## [1.0.1](https://github.com/apricote/hcloud-upload-image/compare/v1.0.0...v1.0.1) (2025-05-09)
+
+
+### Bug Fixes
+
+* timeout while waiting for SSH to become available ([#92](https://github.com/apricote/hcloud-upload-image/issues/92)) ([e490b9a](https://github.com/apricote/hcloud-upload-image/commit/e490b9a7f394e268fa1946ca51aa998c78c3d46a))
+
+## [1.0.0](https://github.com/apricote/hcloud-upload-image/compare/v0.3.1...v1.0.0) (2025-05-04)
+
+
+### Features
+
+* **deps:** require Go 1.23 ([#70](https://github.com/apricote/hcloud-upload-image/issues/70)) ([f3fcb62](https://github.com/apricote/hcloud-upload-image/commit/f3fcb623fc00095ab3806fa41dbcb7083c13c5df))
+* docs website ([#80](https://github.com/apricote/hcloud-upload-image/issues/80)) ([d144b85](https://github.com/apricote/hcloud-upload-image/commit/d144b85e3dfd933e8fbb09a0e6f5acacb4d05bea))
+* publish container image ([#82](https://github.com/apricote/hcloud-upload-image/issues/82)) ([91df729](https://github.com/apricote/hcloud-upload-image/commit/91df729f1cfd636355fc8338f47aefa4ab8b3b84))
+* upload qcow2 images ([#69](https://github.com/apricote/hcloud-upload-image/issues/69)) ([ac3e9dd](https://github.com/apricote/hcloud-upload-image/commit/ac3e9dd7ecd86d1538b6401c3073c7c078c40847))
+
 ## [0.3.1](https://github.com/apricote/hcloud-upload-image/compare/v0.3.0...v0.3.1) (2024-12-07)


--- a/README.md
+++ b/README.md
@ -1,29 +1,34 @@
-# `hcloud-upload-image`
+# hcloud-upload-image
+
+<p align="center">
+  Quickly upload any raw disk images into your <a href="https://hetzner.com/cloud" target="_blank">Hetzner Cloud</a> projects!
+</p>
+
+<p align="center">
+  <a href="https://apricote.github.io/hcloud-upload-image" target="_blank"><img src="https://img.shields.io/badge/Documentation-brightgreen?style=flat-square" alt="Badge: Documentation"/></a>
+  <a href="https://github.com/apricote/hcloud-upload-image/releases" target="_blank"><img src="https://img.shields.io/github/v/release/apricote/hcloud-upload-image?sort=semver&display_name=release&style=flat-square&color=green" alt="Badge: Stable Release"/></a>
+  <img src="https://img.shields.io/badge/License-MIT-green?style=flat-square" alt="Badge: License MIT"/>
+</p>

-Quickly upload any raw disk images into your [Hetzner Cloud](https://hetzner.com/cloud) projects!

 ## About

-The [Hetzner Cloud API](https://docs.hetzner.cloud/) does not support uploading disk images directly, and it only
-provides a limited set of default images. The only option for custom disk images that users have is by taking a
-"snapshot" of an existing servers root disk. These can then be used to create new servers.
+The [Hetzner Cloud API](https://docs.hetzner.cloud/) does not support uploading disk images directly and only provides a limited set of default images. The only option for custom disk images is to take a snapshot of an existing server’s root disk. These snapshots can then be used to create new servers.

-To create a completely custom disk image, users have to follow these steps:
+To create a completely custom disk image, users need to follow these steps:

-1. Create server with the correct server type
-2. Enable rescue system for the server
+1. Create a server with the correct server type
+2. Enable the rescue system for the server
 3. Boot the server
 4. Download the disk image from within the rescue system
-5. Write disk image to servers root disk
+5. Write the disk image to the server’s root disk
 6. Shut down the server
-7. Take a snapshot of the servers root disk
+7. Take a snapshot of the server’s root disk
 8. Delete the server

-This is an annoyingly long process. Many users have automated this with [Packer](https://www.packer.io/) &
-[`packer-plugin-hcloud`](https://github.com/hetznercloud/packer-plugin-hcloud/) before, but Packer offers a lot of
-additional complexity to wrap your head around.
+This is a frustratingly long process. Many users have automated it with [Packer](https://www.packer.io/) and [`packer-plugin-hcloud`](https://github.com/hetznercloud/packer-plugin-hcloud/), but Packer introduces additional complexity that can be difficult to manage.

-This repository provides a simple CLI tool & Go library to do the above.
+This repository provides a simple CLI tool and Go library to streamline the process.

 ## Getting Started

@ -35,7 +40,7 @@ We provide pre-built `deb`, `rpm` and `apk` packages. Alternatively we also prov

 Check out the [GitHub release artifacts](https://github.com/apricote/hcloud-upload-image/releases/latest) for all of these files and archives.

-##### Arch Linux
+#### Arch Linux

 You can get [`hcloud-upload-image-bin`](https://aur.archlinux.org/packages/hcloud-upload-image-bin) from the AUR.

@ -53,6 +58,14 @@ If you already have a recent Go toolchain installed, you can build & install the
 go install github.com/apricote/hcloud-upload-image@latest
 ```

+#### Docker
+
+There is a docker image published at `ghcr.io/apricote/hcloud-upload-image`.
+
+```shell
+docker run --rm -e HCLOUD_TOKEN="<your token>" ghcr.io/apricote/hcloud-upload-image:latest <command>
+```
+
 #### Usage

 ```shell
@ -60,10 +73,11 @@ export HCLOUD_TOKEN="<your token>"
 hcloud-upload-image upload \
  --image-url "https://example.com/disk-image-x86.raw.bz2" \
  --architecture x86 \
-  --compression bz2
+  --compression bz2 \
+  --location nbg1  # Optional: defaults to fsn1
 ```

-To learn more, you can use the embedded help output or check out the [CLI help pages in this repository](docs/cli/hcloud-upload-image.md).:
+To learn more, you can use the embedded help output or check out the [CLI help pages in this repository](docs/reference/cli/hcloud-upload-image.md).:

 ```shell
 hcloud-upload-image --help
@ -110,6 +124,7 @@ func main() {
 		ImageURL:         imageURL,
 		ImageCompression: hcloudimages.CompressionBZ2,
 		Architecture:     hcloud.ArchitectureX86,
+		Location:         &hcloud.Location{Name: "nbg1"}, // Optional: defaults to fsn1
 	})
 	if err != nil {
 		panic(err)
--- a/cmd/root.go
+++ b/cmd/root.go
@ -9,7 +9,6 @@ import (
 	"github.com/spf13/cobra"

 	"github.com/apricote/hcloud-upload-image/hcloudimages"
-	"github.com/apricote/hcloud-upload-image/hcloudimages/backoff"
 	"github.com/apricote/hcloud-upload-image/hcloudimages/contextlogger"
 	"github.com/apricote/hcloud-upload-image/internal/ui"
 	"github.com/apricote/hcloud-upload-image/internal/version"
@ -89,7 +88,7 @@ func initClient(cmd *cobra.Command, _ []string) {
 	opts := []hcloud.ClientOption{
 		hcloud.WithToken(os.Getenv("HCLOUD_TOKEN")),
 		hcloud.WithApplication("hcloud-upload-image", version.Version),
-		hcloud.WithPollOpts(hcloud.PollOpts{BackoffFunc: backoff.ExponentialBackoffWithLimit(2, 1*time.Second, 30*time.Second)}),
+		hcloud.WithPollOpts(hcloud.PollOpts{BackoffFunc: hcloud.ExponentialBackoffWithOpts(hcloud.ExponentialBackoffOpts{Multiplier: 2, Base: 1 * time.Second, Cap: 30 * time.Second})}),
 	}

 	if os.Getenv("HCLOUD_DEBUG") != "" || verbose >= 2 {
--- a/cmd/upload.go
+++ b/cmd/upload.go
@ -1,7 +1,9 @@
 package cmd

 import (
+	_ "embed"
 	"fmt"
+	"net/http"
 	"net/url"
 	"os"

@ -16,20 +18,25 @@ const (
 	uploadFlagImageURL     = "image-url"
 	uploadFlagImagePath    = "image-path"
 	uploadFlagCompression  = "compression"
+	uploadFlagFormat       = "format"
 	uploadFlagArchitecture = "architecture"
 	uploadFlagServerType   = "server-type"
 	uploadFlagDescription  = "description"
 	uploadFlagLabels       = "labels"
+	uploadFlagLocation     = "location"
 )

+//go:embed upload.md
+var longDescription string
+
 // uploadCmd represents the upload command
 var uploadCmd = &cobra.Command{
 	Use:   "upload (--image-path=<local-path> | --image-url=<url>) --architecture=<x86|arm>",
 	Short: "Upload the specified disk image into your Hetzner Cloud project.",
-	Long: `This command implements a fake "upload", by going through a real server and snapshots.
-This does cost a bit of money for the server.`,
+	Long:  longDescription,
 	Example: `  hcloud-upload-image upload --image-path /home/you/images/custom-linux-image-x86.bz2 --architecture x86 --compression bz2 --description "My super duper custom linux"
-  hcloud-upload-image upload --image-url https://examples.com/image-arm.raw --architecture arm --labels foo=bar,version=latest`,
+  hcloud-upload-image upload --image-url https://examples.com/image-arm.raw --architecture arm --labels foo=bar,version=latest
+  hcloud-upload-image upload --image-url https://examples.com/image-x86.qcow2 --architecture x86 --format qcow2`,
 	DisableAutoGenTag: true,

 	GroupID: "primary",
@ -43,13 +50,16 @@ This does cost a bit of money for the server.`,
 		imageURLString, _ := cmd.Flags().GetString(uploadFlagImageURL)
 		imagePathString, _ := cmd.Flags().GetString(uploadFlagImagePath)
 		imageCompression, _ := cmd.Flags().GetString(uploadFlagCompression)
+		imageFormat, _ := cmd.Flags().GetString(uploadFlagFormat)
 		architecture, _ := cmd.Flags().GetString(uploadFlagArchitecture)
 		serverType, _ := cmd.Flags().GetString(uploadFlagServerType)
 		description, _ := cmd.Flags().GetString(uploadFlagDescription)
 		labels, _ := cmd.Flags().GetStringToString(uploadFlagLabels)
+		location, _ := cmd.Flags().GetString(uploadFlagLocation)

 		options := hcloudimages.UploadOptions{
 			ImageCompression: hcloudimages.Compression(imageCompression),
+			ImageFormat:      hcloudimages.Format(imageFormat),
 			Description:      hcloud.Ptr(description),
 			Labels:           labels,
 		}
@ -60,8 +70,26 @@ This does cost a bit of money for the server.`,
 				return fmt.Errorf("unable to parse url from --%s=%q: %w", uploadFlagImageURL, imageURLString, err)
 			}

+			// Check for image size
+			resp, err := http.Head(imageURL.String())
+			switch {
+			case err != nil:
+				logger.DebugContext(ctx, "failed to check for file size, error on request", "err", err)
+			case resp.ContentLength == -1:
+				logger.DebugContext(ctx, "failed to check for file size, server did not set the Content-Length", "err", err)
+			default:
+				options.ImageSize = resp.ContentLength
+			}
+
 			options.ImageURL = imageURL
 		} else if imagePathString != "" {
+			stat, err := os.Stat(imagePathString)
+			if err != nil {
+				logger.DebugContext(ctx, "failed to check for file size, error on stat", "err", err)
+			} else {
+				options.ImageSize = stat.Size()
+			}
+
 			imageFile, err := os.Open(imagePathString)
 			if err != nil {
 				return fmt.Errorf("unable to read file from --%s=%q: %w", uploadFlagImagePath, imagePathString, err)
@ -76,6 +104,10 @@ This does cost a bit of money for the server.`,
 			options.ServerType = &hcloud.ServerType{Name: serverType}
 		}

+		if location != "" {
+			options.Location = &hcloud.Location{Name: location}
+		}
+
 		image, err := client.Upload(ctx, options)
 		if err != nil {
 			return fmt.Errorf("failed to upload the image: %w", err)
@ -95,10 +127,16 @@ func init() {
 	uploadCmd.MarkFlagsMutuallyExclusive(uploadFlagImageURL, uploadFlagImagePath)
 	uploadCmd.MarkFlagsOneRequired(uploadFlagImageURL, uploadFlagImagePath)

-	uploadCmd.Flags().String(uploadFlagCompression, "", "Type of compression that was used on the disk image [choices: bz2, xz]")
+	uploadCmd.Flags().String(uploadFlagCompression, "", "Type of compression that was used on the disk image [choices: bz2, xz, zstd]")
 	_ = uploadCmd.RegisterFlagCompletionFunc(
 		uploadFlagCompression,
-		cobra.FixedCompletions([]string{string(hcloudimages.CompressionBZ2), string(hcloudimages.CompressionXZ)}, cobra.ShellCompDirectiveNoFileComp),
+		cobra.FixedCompletions([]string{string(hcloudimages.CompressionBZ2), string(hcloudimages.CompressionXZ), string(hcloudimages.CompressionZSTD)}, cobra.ShellCompDirectiveNoFileComp),
+	)
+
+	uploadCmd.Flags().String(uploadFlagFormat, "", "Format of the image. [default: raw, choices: qcow2]")
+	_ = uploadCmd.RegisterFlagCompletionFunc(
+		uploadFlagFormat,
+		cobra.FixedCompletions([]string{string(hcloudimages.FormatQCOW2)}, cobra.ShellCompDirectiveNoFileComp),
 	)

 	uploadCmd.Flags().String(uploadFlagArchitecture, "", "CPU architecture of the disk image [choices: x86, arm]")
@ -116,4 +154,10 @@ func init() {
 	uploadCmd.Flags().String(uploadFlagDescription, "", "Description for the resulting image")

 	uploadCmd.Flags().StringToString(uploadFlagLabels, map[string]string{}, "Labels for the resulting image")
+
+	uploadCmd.Flags().String(uploadFlagLocation, "", "Datacenter location for the temporary server [default: fsn1, choices: fsn1, nbg1, hel1, ash, hil, sin]")
+	_ = uploadCmd.RegisterFlagCompletionFunc(
+		uploadFlagLocation,
+		cobra.FixedCompletions([]string{"fsn1", "nbg1", "hel1", "ash", "hil", "sin"}, cobra.ShellCompDirectiveNoFileComp),
+	)
 }
--- a/cmd/upload.md
+++ b/cmd/upload.md
@ -0,0 +1,12 @@
+This command implements a fake "upload", by going through a real server and
+snapshots. This does cost a bit of money for the server.
+
+#### Image Size
+
+The image size for raw disk images is only limited by the servers root disk.
+
+The image size for qcow2 images is limited to the rescue systems root disk.
+This is currently a memory-backed file system with **960 MB** of space. A qcow2
+image not be larger than this size, or the process will error. There is a
+warning being logged if hcloud-upload-image can detect that your file is larger
+than this size.
--- a/docs/.gitignore
+++ b/docs/.gitignore
@ -0,0 +1,2 @@
+book
+https:
--- a/docs/SUMMARY.md
+++ b/docs/SUMMARY.md
@ -0,0 +1,22 @@
+# Summary
+
+[Introduction](introduction.md)
+
+# Guides
+
+- [Uploading Images](guides/README.md)
+  - [Fedora CoreOS ↗](https://docs.fedoraproject.org/en-US/fedora-coreos/provisioning-hetzner/#_creating_a_snapshot)
+  - [Flatcar Container Linux ↗](https://www.flatcar.org/docs/latest/installing/cloud/hetzner/#building-the-snapshots-1)
+  - [Talos Linux ↗](https://www.talos.dev/v1.10/talos-guides/install/cloud-platforms/hetzner/#hcloud-upload-image)
+
+# Reference
+
+- [CLI](reference/cli/hcloud-upload-image.md)
+  - [`upload`](reference/cli/hcloud-upload-image_upload.md)
+  - [`cleanup`](reference/cli/hcloud-upload-image_cleanup.md)
+- [Go Library](reference/go-library.md)
+
+---
+
+[Changelog CLI](changelog.md)
+[Changelog Go Library](changelog-hcloudimages.md)
--- a/docs/book.toml
+++ b/docs/book.toml
@ -0,0 +1,7 @@
+[book]
+language = "en"
+src = "."
+title = "hcloud-upload-image"
+
+[output.html]
+git-repository-url = "https://github.com/apricote/hcloud-upload-image"
--- a/docs/changelog-hcloudimages.md
+++ b/docs/changelog-hcloudimages.md
@ -0,0 +1,3 @@
+# Changelog Library
+
+{{#include ../hcloudimages/CHANGELOG.md:2: }}
--- a/docs/changelog.md
+++ b/docs/changelog.md
@ -0,0 +1,3 @@
+# Changelog CLI
+
+{{#include ../CHANGELOG.md:2: }}
--- a/docs/guides/README.md
+++ b/docs/guides/README.md
@ -0,0 +1,7 @@
+# Uploading Images
+
+Check out these docs from other projects to learn how to use `hcloud-upload-image`:
+
+- [Fedora CoreOS ↗](https://docs.fedoraproject.org/en-US/fedora-coreos/provisioning-hetzner/#_creating_a_snapshot)
+- [Flatcar Container Linux ↗](https://www.flatcar.org/docs/latest/installing/cloud/hetzner/#building-the-snapshots-1)
+- [Talos Linux ↗](https://www.talos.dev/v1.10/talos-guides/install/cloud-platforms/hetzner/#hcloud-upload-image)
--- a/docs/introduction.md
+++ b/docs/introduction.md
@ -0,0 +1,3 @@
+# Introduction
+
+{{#include ../README.md:2:}}
--- a/docs/reference/cli/hcloud-upload-image.md
+++ b/docs/reference/cli/hcloud-upload-image.md
--- a/docs/reference/cli/hcloud-upload-image_cleanup.md
+++ b/docs/reference/cli/hcloud-upload-image_cleanup.md
--- a/docs/reference/cli/hcloud-upload-image_upload.md
+++ b/docs/reference/cli/hcloud-upload-image_upload.md
@ -4,8 +4,19 @@ Upload the specified disk image into your Hetzner Cloud project.

 ### Synopsis

-This command implements a fake "upload", by going through a real server and snapshots.
-This does cost a bit of money for the server.
+This command implements a fake "upload", by going through a real server and
+snapshots. This does cost a bit of money for the server.
+
+#### Image Size
+
+The image size for raw disk images is only limited by the servers root disk.
+
+The image size for qcow2 images is limited to the rescue systems root disk.
+This is currently a memory-backed file system with **960 MB** of space. A qcow2
+image not be larger than this size, or the process will error. There is a
+warning being logged if hcloud-upload-image can detect that your file is larger
+than this size.
+

 ```
 hcloud-upload-image upload (--image-path=<local-path> | --image-url=<url>) --architecture=<x86|arm> [flags]
@ -16,18 +27,21 @@ hcloud-upload-image upload (--image-path=<local-path> | --image-url=<url>) --arc
 ```
  hcloud-upload-image upload --image-path /home/you/images/custom-linux-image-x86.bz2 --architecture x86 --compression bz2 --description "My super duper custom linux"
  hcloud-upload-image upload --image-url https://examples.com/image-arm.raw --architecture arm --labels foo=bar,version=latest
+  hcloud-upload-image upload --image-url https://examples.com/image-x86.qcow2 --architecture x86 --format qcow2
 ```

 ### Options

 ```
      --architecture string     CPU architecture of the disk image [choices: x86, arm]
-      --compression string      Type of compression that was used on the disk image [choices: bz2, xz]
+      --compression string      Type of compression that was used on the disk image [choices: bz2, xz, zstd]
      --description string      Description for the resulting image
+      --format string           Format of the image. [default: raw, choices: qcow2]
  -h, --help                    help for upload
      --image-path string       Local path to the disk image that should be uploaded
      --image-url string        Remote URL of the disk image that should be uploaded
      --labels stringToString   Labels for the resulting image (default [])
+      --location string         Datacenter location for the temporary server [default: fsn1, choices: fsn1, nbg1, hel1, ash, hil, sin]
      --server-type string      Explicitly use this server type to generate the image. Mutually exclusive with --architecture.
 ```

--- a/docs/reference/go-library.md
+++ b/docs/reference/go-library.md
@ -0,0 +1,3 @@
+# Go Library
+
+You can find the documentation at [pkg.go.dev/github.com/apricote/hcloud-upload-image/hcloudimages ↗](https://pkg.go.dev/github.com/apricote/hcloud-upload-image/hcloudimages).
--- a/go.mod
+++ b/go.mod
@ -1,31 +1,32 @@
 module github.com/apricote/hcloud-upload-image

-go 1.22.2
+go 1.24.0
+
+toolchain go1.25.5

 require (
-	github.com/apricote/hcloud-upload-image/hcloudimages v0.3.0
-	github.com/hetznercloud/hcloud-go/v2 v2.17.0
-	github.com/spf13/cobra v1.8.1
+	github.com/apricote/hcloud-upload-image/hcloudimages v1.3.0
+	github.com/hetznercloud/hcloud-go/v2 v2.34.0
+	github.com/spf13/cobra v1.10.2
 )

 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/prometheus/client_golang v1.20.5 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.55.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/prometheus/client_golang v1.23.2 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.66.1 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/stretchr/testify v1.10.0 // indirect
-	golang.org/x/crypto v0.30.0 // indirect
-	golang.org/x/net v0.30.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
-	google.golang.org/protobuf v1.34.2 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
+	github.com/spf13/pflag v1.0.9 // indirect
+	go.yaml.in/yaml/v2 v2.4.2 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/crypto v0.46.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
+	golang.org/x/sys v0.39.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
+	google.golang.org/protobuf v1.36.8 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -1,21 +1,21 @@
-github.com/apricote/hcloud-upload-image/hcloudimages v0.3.0 h1:POoU0nKeTq3fw7Ok/BTwJ/I3CTKhcChtn8L+Ecpba5U=
-github.com/apricote/hcloud-upload-image/hcloudimages v0.3.0/go.mod h1:9W0XQVhzb9x69UBXXR0nxF0taC6s6fl0/nemDGUVrfI=
+github.com/apricote/hcloud-upload-image/hcloudimages v1.3.0 h1:FVIKGSqpxdkO4+t1N8a8xu/xxc+13vHy2QaTAWICuQo=
+github.com/apricote/hcloud-upload-image/hcloudimages v1.3.0/go.mod h1:NiCZ7xGoYNbWeK9L083leB7/g5oa7SAOZq405XkUSeQ=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4=
-github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/cpuguy83/go-md2man/v2 v2.0.6 h1:XJtiaUW6dEEqVuZiMTn1ldk455QWwEIsMIJlo5vtkx0=
+github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/hetznercloud/hcloud-go/v2 v2.17.0 h1:ge0w2piey9SV6XGyU/wQ6HBR24QyMbJ3wLzezplqR68=
-github.com/hetznercloud/hcloud-go/v2 v2.17.0/go.mod h1:zfyZ4Orx+mPpYDzWAxXR7DHGL50nnlZ5Edzgs1o6f/s=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/hetznercloud/hcloud-go/v2 v2.34.0 h1:mxasKipFPDPzni85xcMgwYci2PH8TalLgyPJoTlhWDA=
+github.com/hetznercloud/hcloud-go/v2 v2.34.0/go.mod h1:aF9x0XYNRRQ7N4gux/4cEJeGAHcggu7sX+BBA1rv8ks=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
-github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
+github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
+github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@ -26,36 +26,42 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+bR9r+8l63Y=
-github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
-github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
-github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
-github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc=
-github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8=
-github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
-github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
+github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h0RJWRi/o0o=
+github.com/prometheus/client_golang v1.23.2/go.mod h1:Tb1a6LWHB3/SPIzCoaDXI4I8UHKeFTEQ1YCr+0Gyqmg=
+github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=
+github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
+github.com/prometheus/common v0.66.1 h1:h5E0h5/Y8niHc5DlaLlWLArTQI7tMrsfQjHV+d9ZoGs=
+github.com/prometheus/common v0.66.1/go.mod h1:gcaUsgf3KfRSwHY4dIMXLPV0K/Wg1oZ8+SbZk/HH/dA=
+github.com/prometheus/procfs v0.16.1 h1:hZ15bTNuirocR6u0JZ6BAHHmwS1p8B4P6MRqxtzMyRg=
+github.com/prometheus/procfs v0.16.1/go.mod h1:teAbpZRB1iIAJYREa1LsoWUXykVXA1KlTmWl8x/U+Is=
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
 github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
-github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
-github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/crypto v0.30.0 h1:RwoQn3GkWiMkzlX562cLB7OxWvjH1L8xutO2WoJcRoY=
-golang.org/x/crypto v0.30.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
-golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
-golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
-golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
-google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+github.com/spf13/cobra v1.10.2 h1:DMTTonx5m65Ic0GOoRY2c16WCbHxOOw6xxezuLaBpcU=
+github.com/spf13/cobra v1.10.2/go.mod h1:7C1pvHqHw5A4vrJfjNwvOdzYu0Gml16OCs2GRiTUUS4=
+github.com/spf13/pflag v1.0.9 h1:9exaQaMOCwffKiiiYk6/BndUBv+iRViNW+4lEMi0PvY=
+github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
+go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
+go.yaml.in/yaml/v2 v2.4.2 h1:DzmwEr2rDGHl7lsFgAHxmNz/1NlQ7xLIrlN2h5d1eGI=
+go.yaml.in/yaml/v2 v2.4.2/go.mod h1:081UH+NErpNdqlCXm3TtEran0rJZGxAYx9hb/ELlsPU=
+go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
+go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
+golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
+golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
+golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
+golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
+golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/term v0.38.0 h1:PQ5pkm/rLO6HnxFR7N2lJHOZX6Kez5Y1gDSJla6jo7Q=
+golang.org/x/term v0.38.0/go.mod h1:bSEAKrOT1W+VSu9TSCMtoGEOUcKxOKgl3LE5QEF/xVg=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
+google.golang.org/protobuf v1.36.8 h1:xHScyCOEuuwZEc6UtSOvPbAT4zRh0xcNRYekJwfqyMc=
+google.golang.org/protobuf v1.36.8/go.mod h1:fuxRtAxBytpl4zzqUh6/eyUujkJdNiuEkXntxiD/uRU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
--- a/go.work
+++ b/go.work
@ -1,4 +1,6 @@
-go 1.22.2
+go 1.24.0
+
+toolchain go1.25.4

 use (
 	.
--- a/go.work.sum
+++ b/go.work.sum
@ -3,6 +3,7 @@ github.com/alecthomas/kingpin/v2 v2.4.0 h1:f48lwail6p8zpO1bC4TxtqACaGqHYA22qkHjH
 github.com/alecthomas/kingpin/v2 v2.4.0/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
 github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 h1:s6gZFSlWYmbqAuRjVTiNNhvNRfY2Wxp9nhfyel4rklc=
 github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
+github.com/apricote/hcloud-upload-image/hcloudimages v1.1.0/go.mod h1:iJ95BaLfISZBY9X8K2Y2A5a49dI0RLjAuq+4BqlOSgA=
 github.com/cpuguy83/go-md2man/v2 v2.0.3 h1:qMCsGGgs+MAzDFyp9LpAe1Lqy/fY/qCovCm0qnXZOBM=
 github.com/creack/pty v1.1.9 h1:uDmaGzcdjhF4i/plgjmEsriH11Y0o7RKapEf/LDaM3w=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
@ -32,13 +33,20 @@ github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaS
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/jessevdk/go-flags v1.4.1-0.20181029123624-5de817a9aa20 h1:dAOsPLhnBzIyxu0VvmnKjlNcIlgMK+erD6VRHDtweMI=
 github.com/jessevdk/go-flags v1.4.1-0.20181029123624-5de817a9aa20/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/jessevdk/go-flags v1.6.1 h1:Cvu5U8UGrLay1rZfv/zP7iLpSHGUZ/Ou68T0iX1bBK4=
+github.com/jessevdk/go-flags v1.6.1/go.mod h1:Mk8T1hIAWpOiJiHa9rJASDK2UGWji0EuPGBnNLMooyc=
 github.com/jmattheis/goverter v1.4.0 h1:SrboBYMpGkj1XSgFhWwqzdP024zIa1+58YzUm+0jcBE=
 github.com/jmattheis/goverter v1.4.0/go.mod h1:iVIl/4qItWjWj2g3vjouGoYensJbRqDHpzlEVMHHFeY=
 github.com/jmattheis/goverter v1.5.1 h1:NdBYrF1V1EFQbAA1M/ZR4YVbQjxVl3L6Xupn7moF3LU=
 github.com/jmattheis/goverter v1.5.1/go.mod h1:iVIl/4qItWjWj2g3vjouGoYensJbRqDHpzlEVMHHFeY=
+github.com/jmattheis/goverter v1.8.0 h1:P8GQ/uJEzCwpNdm5vKxaAjDDMxTpsAJZxgrXegicAW8=
+github.com/jmattheis/goverter v1.8.0/go.mod h1:c8TVzpum2NThy2eJ/Wz3tyqRxzpElP2xDfoHOIDrNSQ=
+github.com/jmattheis/goverter v1.9.2 h1:pBjvkhJ0F3PKMqGyHPL0yqnbTe08jjZqt/Z9ZmNKtTQ=
+github.com/jmattheis/goverter v1.9.2/go.mod h1:1n3q6zf7j58tXcRWHbLFxK2Jk8WQVzr0d3nuaCcRqeg=
 github.com/jpillora/backoff v1.0.0 h1:uvFg412JmmHBHw7iwprIxkPMI+sGQ4kzOWsMeHnm2EA=
 github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
@ -65,6 +73,8 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/vburenin/ifacemaker v1.2.1 h1:3Vq8B/bfBgjWTkv+jDg4dVL1KHt3k1K4lO7XRxYA2sk=
 github.com/vburenin/ifacemaker v1.2.1/go.mod h1:5WqrzX2aD7/hi+okBjcaEQJMg4lDGrpuEX3B8L4Wgrs=
+github.com/vburenin/ifacemaker v1.3.0 h1:X5//v/1tyORf5157wLATgP1wgquW3FUW91/OGHLRqGo=
+github.com/vburenin/ifacemaker v1.3.0/go.mod h1:SxTD9m+6uBQyhd0aohV7R4iirO+l9mEoTn4nSe67vMs=
 github.com/xhit/go-str2duration/v2 v2.1.0 h1:lxklc02Drh6ynqX+DdPyp5pCKLUQpRT8bp8Ydu2Bstc=
 github.com/xhit/go-str2duration/v2 v2.1.0/go.mod h1:ohY8p+0f07DiV6Em5LKB0s2YpLtXVyJfNt1+BlmyAsU=
 github.com/yuin/goldmark v1.4.13 h1:fVcFKWvrslecOb/tg+Cc05dkeYx540o0FuFt3nUVDoE=
@ -75,13 +85,22 @@ golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
 golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
 golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
+golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
+golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk=
+golang.org/x/mod v0.30.0/go.mod h1:lAsf5O2EvJeSFMiBxXDki7sCgAxEUcZHXoXMKT4GJKc=
 golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
 golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
 golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
+golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0=
 golang.org/x/oauth2 v0.16.0 h1:aDkGMBSYxElaoP81NpoUoz2oo2R2wHdZpGToUxfyQrQ=
 golang.org/x/oauth2 v0.16.0/go.mod h1:hqZ+0LWXsiVoZpeld6jVt06P3adbS2Uu911W1SsJv2o=
 golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs=
 golang.org/x/oauth2 v0.21.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
+golang.org/x/oauth2 v0.24.0 h1:KTBBxWqUa0ykRPLtV69rRto9TLXcqYkeswu48x/gvNE=
+golang.org/x/oauth2 v0.24.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
+golang.org/x/oauth2 v0.30.0 h1:dnDm7JmhM45NNpd8FDDeLhK6FwqbOf4MLCM9zb1BOHI=
+golang.org/x/oauth2 v0.30.0/go.mod h1:B++QgG3ZKulg6sRPGD/mqlHQs5rB3Ml9erfeDY7xKlU=
 golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
 golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
@ -92,12 +111,23 @@ golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
 golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.9.0 h1:fEo0HyrW1GIgZdpbhCRO0PkJajUS5H9IFUztCgEo2jQ=
 golang.org/x/sync v0.9.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
+golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
+golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2 h1:IRJeR9r1pYWsHKTRe/IInb7lYvbBVIqOgsX/u0mbOWY=
 golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
+golang.org/x/telemetry v0.0.0-20240521205824-bda55230c457 h1:zf5N6UOrA487eEFacMePxjXAJctxKmyjKUsjA11Uzuk=
+golang.org/x/telemetry v0.0.0-20240521205824-bda55230c457/go.mod h1:pRgIJT+bRLFKnoM1ldnzKoxTIn14Yxz928LQRYYgIN0=
 golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
@ -105,6 +135,10 @@ golang.org/x/tools v0.17.0 h1:FvmRgNOcs3kOa+T20R1uhfP9F6HgG2mfxDv1vrx1Htc=
 golang.org/x/tools v0.17.0/go.mod h1:xsh6VxdV005rRVaS6SSAf9oiAqljS7UZUacMZ8Bnsps=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/tools v0.25.0 h1:oFU9pkj/iJgs+0DT+VMHrx+oBKs/LJMV+Uvg78sl+fE=
+golang.org/x/tools v0.25.0/go.mod h1:/vtpO8WL1N9cQC3FN5zPqb//fRXskFHbLKk4OW1Q7rg=
+golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ=
+golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
--- a/hcloudimages/CHANGELOG.md
+++ b/hcloudimages/CHANGELOG.md
@ -1,5 +1,47 @@
 # Changelog

+## [1.3.0](https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v1.2.0...hcloudimages/v1.3.0) (2025-12-22)
+
+
+### Features
+
+* add --location flag to specify datacenter region ([#141](https://github.com/apricote/hcloud-upload-image/issues/141)) ([fcbc14a](https://github.com/apricote/hcloud-upload-image/commit/fcbc14aab6d495d2c67d653f9ea1ff56a39a8c2f)), closes [#142](https://github.com/apricote/hcloud-upload-image/issues/142)
+
+## [1.2.0](https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v1.1.0...hcloudimages/v1.2.0) (2025-11-06)
+
+
+### Features
+
+* change minimum required Go version to 1.24 ([#130](https://github.com/apricote/hcloud-upload-image/issues/130)) ([5eba2d5](https://github.com/apricote/hcloud-upload-image/commit/5eba2d52fe3aafb4fd0d93403548f4c32bc2b5ac))
+* support zstd compression ([#125](https://github.com/apricote/hcloud-upload-image/issues/125)) ([37ebbce](https://github.com/apricote/hcloud-upload-image/commit/37ebbce5179997ac216af274055fc34c777b01e6)), closes [#122](https://github.com/apricote/hcloud-upload-image/issues/122)
+* update default x86 server type to cx23 ([#129](https://github.com/apricote/hcloud-upload-image/issues/129)) ([a205619](https://github.com/apricote/hcloud-upload-image/commit/a20561944d0ba9485a6e10e99df15c56a688541d))
+
+## [1.1.0](https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v1.0.1...hcloudimages/v1.1.0) (2025-05-10)
+
+
+### Features
+
+* smaller snapshots by zeroing disk first ([#101](https://github.com/apricote/hcloud-upload-image/issues/101)) ([fdfb284](https://github.com/apricote/hcloud-upload-image/commit/fdfb284533d3154806b0936c08015fd5cc64b0fb)), closes [#96](https://github.com/apricote/hcloud-upload-image/issues/96)
+
+
+### Bug Fixes
+
+* upload from local image generates broken command ([#98](https://github.com/apricote/hcloud-upload-image/issues/98)) ([420dcf9](https://github.com/apricote/hcloud-upload-image/commit/420dcf94c965ee470602db6c9c23c777fda91222)), closes [#97](https://github.com/apricote/hcloud-upload-image/issues/97)
+
+## [1.0.1](https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v1.0.0...hcloudimages/v1.0.1) (2025-05-09)
+
+
+### Bug Fixes
+
+* timeout while waiting for SSH to become available ([#92](https://github.com/apricote/hcloud-upload-image/issues/92)) ([e490b9a](https://github.com/apricote/hcloud-upload-image/commit/e490b9a7f394e268fa1946ca51aa998c78c3d46a))
+
+## [1.0.0](https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v0.3.1...hcloudimages/v1.0.0) (2025-05-04)
+
+
+### Features
+
+* upload qcow2 images ([#69](https://github.com/apricote/hcloud-upload-image/issues/69)) ([ac3e9dd](https://github.com/apricote/hcloud-upload-image/commit/ac3e9dd7ecd86d1538b6401c3073c7c078c40847))
+
 ## [0.3.1](https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v0.3.0...hcloudimages/v0.3.1) (2024-12-07)


--- a/hcloudimages/backoff/backoff.go
+++ b/hcloudimages/backoff/backoff.go
@ -16,6 +16,10 @@ import (
 // It uses the formula:
 //
 //	min(b^retries * d, limit)
+//
+// This function has a known overflow issue and should not be used anymore.
+//
+// Deprecated: Use BackoffFuncWithOpts from github.com/hetznercloud/hcloud-go/v2/hcloud instead.
 func ExponentialBackoffWithLimit(b float64, d time.Duration, limit time.Duration) hcloud.BackoffFunc {
 	return func(retries int) time.Duration {
 		current := time.Duration(math.Pow(b, float64(retries))) * d
--- a/hcloudimages/client.go
+++ b/hcloudimages/client.go
@ -34,7 +34,7 @@ var (
 	}

 	serverTypePerArchitecture = map[hcloud.Architecture]*hcloud.ServerType{
-		hcloud.ArchitectureX86: {Name: "cx22"},
+		hcloud.ArchitectureX86: {Name: "cx23"},
 		hcloud.ArchitectureARM: {Name: "cax11"},
 	}

@ -43,6 +43,10 @@ var (
 	defaultRescueType = hcloud.ServerRescueTypeLinux64

 	defaultSSHDialTimeout = 1 * time.Minute
+
+	// Size observed on x86, 2025-05-03, no idea if that changes.
+	// Might be able to extends this to more of the available memory.
+	rescueSystemRootDiskSizeMB int64 = 960
 )

 type UploadOptions struct {
@ -56,10 +60,14 @@ type UploadOptions struct {
 	// set to anything else, the file will be decompressed before written to the disk.
 	ImageCompression Compression

+	ImageFormat Format
+
+	// Can be optionally set to make the client validate that the image can be written to the server.
+	ImageSize int64
+
 	// Possible future additions:
 	// ImageSignatureVerification
 	// ImageLocalPath
-	// ImageType (RawDiskImage, ISO, qcow2, ...)

 	// Architecture should match the architecture of the Image. This decides if the Snapshot can later be
 	// used with [hcloud.ArchitectureX86] or [hcloud.ArchitectureARM] servers.
@ -86,6 +94,10 @@ type UploadOptions struct {
 	// We also always add a label `apricote.de/created-by=hcloud-image-upload` ([CreatedByLabel], [CreatedByValue]).
 	Labels map[string]string

+	// Location is the datacenter location for the temporary server.
+	// Defaults to fsn1 if not specified.
+	Location *hcloud.Location
+
 	// DebugSkipResourceCleanup will skip the cleanup of the temporary SSH Key and Server.
 	DebugSkipResourceCleanup bool
 }
@ -96,9 +108,23 @@ const (
 	CompressionNone Compression = ""
 	CompressionBZ2  Compression = "bz2"
 	CompressionXZ   Compression = "xz"
+	CompressionZSTD Compression = "zstd"

 	// Possible future additions:
-	// zip,zstd
+	// zip
+)
+
+type Format string
+
+const (
+	FormatRaw Format = ""
+
+	// FormatQCOW2 allows to upload images in the qcow2 format directly.
+	//
+	// The qcow2 image must fit on the disk available in the rescue system. "qemu-img dd", which is used to convert
+	// qcow2 to raw, requires a file as an input. If [UploadOption.ImageSize] is set and FormatQCOW2 is used, there is a
+	// warning message displayed if there is a high probability of issues.
+	FormatQCOW2 Format = "qcow2"
 )

 // NewClient instantiates a new client. It requires a working [*hcloud.Client] to interact with the Hetzner Cloud API.
@ -134,6 +160,19 @@ func (s *Client) Upload(ctx context.Context, options UploadOptions) (*hcloud.Ima
 	resourceName := resourcePrefix + id
 	labels := labelutil.Merge(DefaultLabels, options.Labels)

+	// 0. Validations
+	if options.ImageFormat == FormatQCOW2 && options.ImageSize > 0 {
+		if options.ImageSize > rescueSystemRootDiskSizeMB*1024*1024 {
+			// Just a warning, because the size might change with time.
+			// Alternatively one could add an override flag for the check and make this an error.
+			logger.WarnContext(ctx,
+				fmt.Sprintf("image must be smaller than %d MB (rescue system root disk) for qcow2", rescueSystemRootDiskSizeMB),
+				"maximum-size", rescueSystemRootDiskSizeMB,
+				"actual-size", options.ImageSize/(1024*1024),
+			)
+		}
+	}
+
 	// 1. Create SSH Key
 	logger.InfoContext(ctx, "# Step 1: Generating SSH Key")
 	privateKey, publicKey, err := sshutil.GenerateKeyPair()
@ -179,9 +218,14 @@ func (s *Client) Upload(ctx context.Context, options UploadOptions) (*hcloud.Ima
 		}
 	}

+	location := defaultLocation
+	if options.Location != nil {
+		location = options.Location
+	}
+
 	logger.DebugContext(ctx, "creating server with config",
 		"image", defaultImage.Name,
-		"location", defaultLocation.Name,
+		"location", location.Name,
 		"serverType", serverType.Name,
 	)
 	serverCreateResult, _, err := s.c.Server.Create(ctx, hcloud.ServerCreateOpts{
@ -195,7 +239,7 @@ func (s *Client) Upload(ctx context.Context, options UploadOptions) (*hcloud.Ima
 		StartAfterCreate: hcloud.Ptr(false),
 		// Image will never be booted, we only boot into rescue system
 		Image:    defaultImage,
-		Location: defaultLocation,
+		Location: location,
 		Labels:   labels,
 	})
 	if err != nil {
@ -282,7 +326,7 @@ func (s *Client) Upload(ctx context.Context, options UploadOptions) (*hcloud.Ima

 	err = control.Retry(
 		contextlogger.New(ctx, logger.With("operation", "ssh")),
-		10,
+		100, // ~ 3 minutes
 		func() error {
 			var err error
 			logger.DebugContext(ctx, "trying to connect to server", "ip", server.PublicNet.IPv4.IP)
@ -293,50 +337,44 @@ func (s *Client) Upload(ctx context.Context, options UploadOptions) (*hcloud.Ima
 	if err != nil {
 		return nil, fmt.Errorf("failed to ssh into temporary server: %w", err)
 	}
-	defer sshClient.Close()
+	defer func() { _ = sshClient.Close() }()

-	// 6. SSH On Server: Download Image, Decompress, Write to Root Disk
-	logger.InfoContext(ctx, "# Step 6: Downloading image and writing to disk")
-	cmd := ""
-	if options.ImageURL != nil {
-		cmd += fmt.Sprintf("wget --no-verbose -O - %q | ", options.ImageURL.String())
+	// 6. Wipe existing disk, to avoid storing any bytes from it in the snapshot
+	logger.InfoContext(ctx, "# Step 6: Cleaning existing disk")
+
+	output, err := sshsession.Run(sshClient, "blkdiscard /dev/sda", nil)
+	logger.DebugContext(ctx, string(output))
+	if err != nil {
+		return nil, fmt.Errorf("failed to clean existing disk: %w", err)
 	}

-	if options.ImageCompression != CompressionNone {
-		switch options.ImageCompression {
-		case CompressionBZ2:
-			cmd += "bzip2 -cd | "
-		case CompressionXZ:
-			cmd += "xz -cd | "
-		default:
-			return nil, fmt.Errorf("unknown compression: %q", options.ImageCompression)
-		}
+	// 7. SSH On Server: Download Image, Decompress, Write to Root Disk
+	logger.InfoContext(ctx, "# Step 7: Downloading image and writing to disk")
+
+	cmd, err := assembleCommand(options)
+	if err != nil {
+		return nil, err
 	}

-	cmd += "dd of=/dev/sda bs=4M && sync"
-
-	// Make sure that we fail early, ie. if the image url does not work.
-	// the pipefail does not work correctly without wrapping in bash.
-	cmd = fmt.Sprintf("bash -c 'set -euo pipefail && %s'", cmd)
 	logger.DebugContext(ctx, "running download, decompress and write to disk command", "cmd", cmd)

-	output, err := sshsession.Run(sshClient, cmd, options.ImageReader)
-	logger.InfoContext(ctx, "# Step 6: Finished writing image to disk")
+	output, err = sshsession.Run(sshClient, cmd, options.ImageReader)
+	logger.InfoContext(ctx, "# Step 7: Finished writing image to disk")
 	logger.DebugContext(ctx, string(output))
 	if err != nil {
 		return nil, fmt.Errorf("failed to download and write the image: %w", err)
 	}

-	// 7. SSH On Server: Shutdown
-	logger.InfoContext(ctx, "# Step 7: Shutting down server")
+	// 8. SSH On Server: Shutdown
+	logger.InfoContext(ctx, "# Step 8: Shutting down server")
 	_, err = sshsession.Run(sshClient, "shutdown now", nil)
 	if err != nil {
 		// TODO Verify if shutdown error, otherwise return
 		logger.WarnContext(ctx, "shutdown returned error", "err", err)
 	}

-	// 8. Create Image from Server
-	logger.InfoContext(ctx, "# Step 8: Creating Image")
+	// 9. Create Image from Server
+	logger.InfoContext(ctx, "# Step 9: Creating Image")
 	createImageResult, _, err := s.c.Server.CreateImage(ctx, server, &hcloud.ServerCreateImageOpts{
 		Type:        hcloud.ImageTypeSnapshot,
 		Description: options.Description,
@ -481,3 +519,41 @@ func (s *Client) cleanupTempSSHKeys(ctx context.Context, logger *slog.Logger, se

 	return nil
 }
+
+func assembleCommand(options UploadOptions) (string, error) {
+	// Make sure that we fail early, ie. if the image url does not work
+	cmd := "set -euo pipefail && "
+
+	if options.ImageURL != nil {
+		cmd += fmt.Sprintf("wget --no-verbose -O - %q | ", options.ImageURL.String())
+	}
+
+	if options.ImageCompression != CompressionNone {
+		switch options.ImageCompression {
+		case CompressionBZ2:
+			cmd += "bzip2 -cd | "
+		case CompressionXZ:
+			cmd += "xz -cd | "
+		case CompressionZSTD:
+			cmd += "zstd -cd | "
+		default:
+			return "", fmt.Errorf("unknown compression: %q", options.ImageCompression)
+		}
+	}
+
+	switch options.ImageFormat {
+	case FormatRaw:
+		cmd += "dd of=/dev/sda bs=4M"
+	case FormatQCOW2:
+		cmd += "tee image.qcow2 > /dev/null && qemu-img dd -f qcow2 -O raw if=image.qcow2 of=/dev/sda bs=4M"
+	default:
+		return "", fmt.Errorf("unknown format: %q", options.ImageFormat)
+	}
+
+	cmd += " && sync"
+
+	// the pipefail does not work correctly without wrapping in bash.
+	cmd = fmt.Sprintf("bash -c '%s'", cmd)
+
+	return cmd, nil
+}
--- a/hcloudimages/client_test.go
+++ b/hcloudimages/client_test.go
@ -1,33 +1,125 @@
-package hcloudimages_test
+package hcloudimages

 import (
-	"context"
-	"fmt"
 	"net/url"
-
-	"github.com/hetznercloud/hcloud-go/v2/hcloud"
-
-	"github.com/apricote/hcloud-upload-image/hcloudimages"
+	"testing"
 )

-func ExampleClient_Upload() {
-	client := hcloudimages.NewClient(
-		hcloud.NewClient(hcloud.WithToken("<your token>")),
-	)
-
-	imageURL, err := url.Parse("https://example.com/disk-image.raw.bz2")
+func mustParseURL(s string) *url.URL {
+	u, err := url.Parse(s)
 	if err != nil {
 		panic(err)
 	}

-	image, err := client.Upload(context.TODO(), hcloudimages.UploadOptions{
-		ImageURL:         imageURL,
-		ImageCompression: hcloudimages.CompressionBZ2,
-		Architecture:     hcloud.ArchitectureX86,
-	})
-	if err != nil {
-		panic(err)
-	}
-
-	fmt.Printf("Uploaded Image: %d", image.ID)
+	return u
+}
+
+func TestAssembleCommand(t *testing.T) {
+	tests := []struct {
+		name    string
+		options UploadOptions
+		want    string
+		wantErr bool
+	}{
+		{
+			name:    "local raw",
+			options: UploadOptions{},
+			want:    "bash -c 'set -euo pipefail && dd of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "remote raw",
+			options: UploadOptions{
+				ImageURL: mustParseURL("https://example.com/image.xz"),
+			},
+			want: "bash -c 'set -euo pipefail && wget --no-verbose -O - \"https://example.com/image.xz\" | dd of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "local xz",
+			options: UploadOptions{
+				ImageCompression: CompressionXZ,
+			},
+			want: "bash -c 'set -euo pipefail && xz -cd | dd of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "remote xz",
+			options: UploadOptions{
+				ImageURL:         mustParseURL("https://example.com/image.xz"),
+				ImageCompression: CompressionXZ,
+			},
+			want: "bash -c 'set -euo pipefail && wget --no-verbose -O - \"https://example.com/image.xz\" | xz -cd | dd of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "local zstd",
+			options: UploadOptions{
+				ImageCompression: CompressionZSTD,
+			},
+			want: "bash -c 'set -euo pipefail && zstd -cd | dd of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "remote zstd",
+			options: UploadOptions{
+				ImageURL:         mustParseURL("https://example.com/image.zst"),
+				ImageCompression: CompressionZSTD,
+			},
+			want: "bash -c 'set -euo pipefail && wget --no-verbose -O - \"https://example.com/image.zst\" | zstd -cd | dd of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "local bz2",
+			options: UploadOptions{
+				ImageCompression: CompressionBZ2,
+			},
+			want: "bash -c 'set -euo pipefail && bzip2 -cd | dd of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "remote bz2",
+			options: UploadOptions{
+				ImageURL:         mustParseURL("https://example.com/image.bz2"),
+				ImageCompression: CompressionBZ2,
+			},
+			want: "bash -c 'set -euo pipefail && wget --no-verbose -O - \"https://example.com/image.bz2\" | bzip2 -cd | dd of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "local qcow2",
+			options: UploadOptions{
+				ImageFormat: FormatQCOW2,
+			},
+			want: "bash -c 'set -euo pipefail && tee image.qcow2 > /dev/null && qemu-img dd -f qcow2 -O raw if=image.qcow2 of=/dev/sda bs=4M && sync'",
+		},
+		{
+			name: "remote qcow2",
+			options: UploadOptions{
+				ImageURL:    mustParseURL("https://example.com/image.qcow2"),
+				ImageFormat: FormatQCOW2,
+			},
+			want: "bash -c 'set -euo pipefail && wget --no-verbose -O - \"https://example.com/image.qcow2\" | tee image.qcow2 > /dev/null && qemu-img dd -f qcow2 -O raw if=image.qcow2 of=/dev/sda bs=4M && sync'",
+		},
+
+		{
+			name: "unknown compression",
+			options: UploadOptions{
+				ImageCompression: "noodle",
+			},
+			wantErr: true,
+		},
+
+		{
+			name: "unknown format",
+			options: UploadOptions{
+				ImageFormat: "poodle",
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := assembleCommand(tt.options)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("assembleCommand() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if got != tt.want {
+				t.Errorf("assembleCommand() got = %v, want %v", got, tt.want)
+			}
+		})
+	}
 }
--- a/hcloudimages/doc_test.go
+++ b/hcloudimages/doc_test.go
@ -0,0 +1,34 @@
+package hcloudimages_test
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+
+	"github.com/hetznercloud/hcloud-go/v2/hcloud"
+
+	"github.com/apricote/hcloud-upload-image/hcloudimages"
+)
+
+func ExampleClient_Upload() {
+	client := hcloudimages.NewClient(
+		hcloud.NewClient(hcloud.WithToken("<your token>")),
+	)
+
+	imageURL, err := url.Parse("https://example.com/disk-image.raw.bz2")
+	if err != nil {
+		panic(err)
+	}
+
+	image, err := client.Upload(context.TODO(), hcloudimages.UploadOptions{
+		ImageURL:         imageURL,
+		ImageCompression: hcloudimages.CompressionBZ2,
+		Architecture:     hcloud.ArchitectureX86,
+		Location:         &hcloud.Location{Name: "nbg1"}, // Optional: defaults to fsn1
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("Uploaded Image: %d", image.ID)
+}
--- a/hcloudimages/go.mod
+++ b/hcloudimages/go.mod
@ -1,27 +1,29 @@
 module github.com/apricote/hcloud-upload-image/hcloudimages

-go 1.22.2
+go 1.24.0
+
+toolchain go1.25.5

 require (
-	github.com/hetznercloud/hcloud-go/v2 v2.17.0
-	github.com/stretchr/testify v1.10.0
-	golang.org/x/crypto v0.30.0
+	github.com/hetznercloud/hcloud-go/v2 v2.34.0
+	github.com/stretchr/testify v1.11.1
+	golang.org/x/crypto v0.46.0
 )

 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.20.5 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.55.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
-	golang.org/x/net v0.30.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
-	google.golang.org/protobuf v1.34.2 // indirect
+	github.com/prometheus/client_golang v1.23.2 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.66.1 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
+	go.yaml.in/yaml/v2 v2.4.2 // indirect
+	golang.org/x/net v0.48.0 // indirect
+	golang.org/x/sys v0.39.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
+	google.golang.org/protobuf v1.36.8 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
--- a/hcloudimages/go.sum
+++ b/hcloudimages/go.sum
@ -4,12 +4,12 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/hetznercloud/hcloud-go/v2 v2.17.0 h1:ge0w2piey9SV6XGyU/wQ6HBR24QyMbJ3wLzezplqR68=
-github.com/hetznercloud/hcloud-go/v2 v2.17.0/go.mod h1:zfyZ4Orx+mPpYDzWAxXR7DHGL50nnlZ5Edzgs1o6f/s=
-github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
-github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/hetznercloud/hcloud-go/v2 v2.34.0 h1:mxasKipFPDPzni85xcMgwYci2PH8TalLgyPJoTlhWDA=
+github.com/hetznercloud/hcloud-go/v2 v2.34.0/go.mod h1:aF9x0XYNRRQ7N4gux/4cEJeGAHcggu7sX+BBA1rv8ks=
+github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
+github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@ -20,30 +20,34 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+bR9r+8l63Y=
-github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
-github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
-github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
-github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc=
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-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/crypto v0.30.0 h1:RwoQn3GkWiMkzlX562cLB7OxWvjH1L8xutO2WoJcRoY=
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-golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
--- a/hcloudimages/internal/control/retry.go
+++ b/hcloudimages/internal/control/retry.go
@ -8,7 +8,8 @@ import (
 	"context"
 	"time"

-	"github.com/apricote/hcloud-upload-image/hcloudimages/backoff"
+	"github.com/hetznercloud/hcloud-go/v2/hcloud"
+	
 	"github.com/apricote/hcloud-upload-image/hcloudimages/contextlogger"
 )

@ -18,7 +19,7 @@ func Retry(ctx context.Context, maxTries int, f func() error) error {

 	var err error

-	backoffFunc := backoff.ExponentialBackoffWithLimit(2, 1*time.Second, 30*time.Second)
+	backoffFunc := hcloud.ExponentialBackoffWithOpts(hcloud.ExponentialBackoffOpts{Multiplier: 2, Base: 200 * time.Millisecond, Cap: 2 * time.Second})

 	for try := 0; try < maxTries; try++ {
 		if ctx.Err() != nil {
--- a/hcloudimages/internal/sshsession/session.go
+++ b/hcloudimages/internal/sshsession/session.go
@ -12,7 +12,7 @@ func Run(client *ssh.Client, cmd string, stdin io.Reader) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer sess.Close()
+	defer func() { _ = sess.Close() }()

 	if stdin != nil {
 		sess.Stdin = stdin
--- a/internal/version/version.go
+++ b/internal/version/version.go
@ -2,7 +2,7 @@ package version

 var (
 	// version is a semver version (https://semver.org).
-	version = "0.3.1" // x-release-please-version
+	version = "1.3.0" // x-release-please-version

 	// versionPrerelease is a semver version pre-release identifier (https://semver.org).
 	//
--- a/renovate.json
+++ b/renovate.json
@ -11,12 +11,18 @@
    "gomodTidy",
    "gomodUpdateImportPaths"
  ],
+  "goGetDirs": [
+    "./...",
+    "./hcloudimages/..."
+  ],
  "customManagers": [
    {
      "customType": "regex",
-      "fileMatch": ["^\\.github\\/(?:workflows|actions)\\/.+\\.ya?ml$"],
+      "managerFilePatterns": [
+        "/^\\.github\\/(?:workflows|actions)\\/.+\\.ya?ml$/"
+      ],
      "matchStrings": [
-        "(?:version|VERSION): (?<currentValue>.+) # renovate: datasource=(?<datasource>[a-z-]+) depName=(?<depName>.+)(?: lookupName=(?<lookupName>.+))?(?: versioning=(?<versioning>[a-z-]+))?"
+        "(?:version|VERSION): (?<currentValue>.+) # renovate: datasource=(?<datasource>[a-z-]+) depName=(?<depName>.+)(?: packageName=(?<packageName>.+))?(?: versioning=(?<versioning>[a-z-]+))?"
      ]
    }
  ]
--- a/scripts/cli-help-pages.go
+++ b/scripts/cli-help-pages.go
@ -11,7 +11,7 @@ import (

 func run() error {
 	// Define the directory where the docs will be generated
-	dir := "docs/cli"
+	dir := "docs/reference/cli"

 	// Ensure the directory exists
 	if err := os.MkdirAll(dir, 0755); err != nil {
Author	SHA1	Message	Date
renovate[bot]	b7a29b2bee	chore(deps): update module github.com/hetznercloud/hcloud-go/v2 to v2.34.0 (#152 )	2026-01-09 11:13:40 +01:00
Julian Tölle	b440f8d7f6	chore(main): release 1.3.0 (#146 ) ## [1.3.0](https://github.com/apricote/hcloud-upload-image/compare/v1.2.0...v1.3.0) (2025-12-22) ### Features * add --location flag to specify datacenter region ([#141](https://github.com/apricote/hcloud-upload-image/issues/141)) ([`fcbc14a`](`fcbc14aab6`)), closes [#142](https://github.com/apricote/hcloud-upload-image/issues/142)	2025-12-22 14:20:32 +00:00
Julian Tölle	8f7f0643b5	chore(deps): update module github.com/apricote/hcloud-upload-image/hcloudimages to v1.3.0 (#149 )	2025-12-22 14:17:20 +00:00
Julian Tölle	99691d54ab	docs: migrate mdbook config for v0.5 (#148 ) Currently breaks the build, multilingual was removed.	2025-12-22 14:07:29 +00:00
Julian Tölle	d7ff673261	chore(main): release hcloudimages 1.3.0 (#145 ) 🤖 I have created a release beep boop --- ## [1.3.0](https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v1.2.0...hcloudimages/v1.3.0) (2025-12-22) ### Features * add --location flag to specify datacenter region ([#141](https://github.com/apricote/hcloud-upload-image/issues/141)) ([`fcbc14a`](`fcbc14aab6`)), closes [#142](https://github.com/apricote/hcloud-upload-image/issues/142)	2025-12-22 15:00:04 +01:00
renovate[bot]	740dbb5c68	chore(config): migrate Renovate config (#147 )	2025-12-22 14:53:13 +01:00
renovate[bot]	919461ddd0	chore(deps): update actions/checkout action to v6 (#138 )	2025-12-22 14:51:06 +01:00
renovate[bot]	0280f677e0	chore(deps): update module github.com/hetznercloud/hcloud-go/v2 to v2.33.0 (#133 )	2025-12-22 14:50:53 +01:00
renovate[bot]	c4c86073ae	chore(deps): update dependency go to v1.25.5 (#139 )	2025-12-22 14:50:13 +01:00
renovate[bot]	f59aa2bb23	chore(deps): update docker/login-action digest to 6862ffc (#144 )	2025-12-22 14:49:47 +01:00
renovate[bot]	f78a5aa191	chore(deps): update actions/checkout digest to 93cb6ef (#135 )	2025-12-22 14:49:19 +01:00
renovate[bot]	a73c1e4758	chore(deps): update module github.com/spf13/cobra to v1.10.2 (#140 )	2025-12-22 14:09:36 +01:00
renovate[bot]	bafcd0c57b	chore(deps): update dependency rust-lang/mdbook to v0.5.2 (#136 )	2025-12-22 14:08:55 +01:00
renovate[bot]	6a41192364	chore(deps): update dependency golangci/golangci-lint to v2.7.2 (#134 )	2025-12-22 14:08:36 +01:00
renovate[bot]	e9c4d29792	chore(deps): update golangci/golangci-lint-action action to v9 (#132 )	2025-12-22 14:08:19 +01:00
Malthe Poulsen	fcbc14aab6	feat: add --location flag to specify datacenter region (#141 ) Allow users to specify which Hetzner datacenter location to use for the temporary server during image upload. Defaults to fsn1 for backward compatibility. Available locations: fsn1, nbg1, hel1, ash, hil, sin Implements: #142	2025-12-22 13:36:50 +01:00
Julian Tölle	a9b16cf07c	chore(main): release 1.2.0 (#128 ) ## [1.2.0](https://github.com/apricote/hcloud-upload-image/compare/v1.1.0...v1.2.0) (2025-11-06) ### Features * change minimum required Go version to 1.24 ([#130](https://github.com/apricote/hcloud-upload-image/issues/130)) ([`5eba2d5`](`5eba2d52fe`)) * support zstd compression ([#125](https://github.com/apricote/hcloud-upload-image/issues/125)) ([`37ebbce`](`37ebbce517`)), closes [#122](https://github.com/apricote/hcloud-upload-image/issues/122) * update default x86 server type to cx23 ([#129](https://github.com/apricote/hcloud-upload-image/issues/129)) ([`a205619`](`a20561944d`))	2025-11-06 20:15:30 +00:00
Julian Tölle	d87db70674	chore(deps): update module github.com/apricote/hcloud-upload-image/hcloudimages to v1.2.0 (#131 )	2025-11-06 20:12:50 +00:00
Julian Tölle	5bbd840ea7	chore(main): release hcloudimages 1.2.0 (#127 ) ## [1.2.0](https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v1.1.0...hcloudimages/v1.2.0) (2025-11-06) ### Features * change minimum required Go version to 1.24 ([#130](https://github.com/apricote/hcloud-upload-image/issues/130)) ([`5eba2d5`](`5eba2d52fe`)) * support zstd compression ([#125](https://github.com/apricote/hcloud-upload-image/issues/125)) ([`37ebbce`](`37ebbce517`)), closes [#122](https://github.com/apricote/hcloud-upload-image/issues/122) * update default x86 server type to cx23 ([#129](https://github.com/apricote/hcloud-upload-image/issues/129)) ([`a205619`](`a20561944d`))	2025-11-06 21:09:44 +01:00
renovate[bot]	92e0397f7c	chore(deps): update module github.com/hetznercloud/hcloud-go/v2 to v2.29.0 (#120 )	2025-11-06 21:05:52 +01:00
Julian Tölle	5eba2d52fe	feat: change minimum required Go version to 1.24 (#130 ) Required for some dependency updates (#88, #120)	2025-11-06 21:03:08 +01:00
Julian Tölle	a20561944d	feat: update default x86 server type to cx23 (#129 ) `cx22` is deprecated and will be removed in January 2026. Changelog: https://docs.hetzner.cloud/changelog#2025-10-16-server-types-deprecated	2025-11-06 21:02:59 +01:00
renovate[bot]	43d0405d2b	chore(deps): update dependency golangci/golangci-lint to v2.6.1 (#121 )	2025-11-06 20:56:59 +01:00
renovate[bot]	27916d2c94	chore(deps): update docker/login-action digest to 28fdb31 (#123 )	2025-11-06 20:56:38 +01:00
renovate[bot]	04bfe9bcfa	chore(deps): update dependency go to v1.25.4 (#124 )	2025-11-06 20:56:21 +01:00
Leon Schuermann	7537226258	cmd/upload: document "raw" default for --format argument (#126 ) When first using the tool, based on the `--help` output I did not realize that `raw` was a supported format. Then, upon stumbling on a GitHub issue that documents this format as being able to stream larger images directly to disk, I found out that specifying `--format raw` does not work, and leads to a failure relatively late in the image upload process. This documents that, when not specifying `--format`, a default format of `raw` is assumed.	2025-11-06 20:55:39 +01:00
Peter Fern	37ebbce517	feat: support zstd compression (#125 ) Closes #122	2025-11-06 20:48:58 +01:00
renovate[bot]	921d688fd4	chore(deps): update docker/login-action digest to 5b7b28b (#119 )	2025-09-15 14:48:10 +02:00
renovate[bot]	fbd639ba59	chore(deps): update dependency go to v1.25.1 (#106 )	2025-09-13 10:25:46 +02:00
George Gaál	b877383556	docs: update README (#116 ) small beautiful changes	2025-09-13 09:31:05 +02:00
renovate[bot]	b5abcc149a	chore(deps): update docker/login-action digest to 65c0768 (#107 )	2025-09-13 09:27:43 +02:00
renovate[bot]	892b806470	chore(deps): update actions/setup-go action to v6 (#118 )	2025-09-11 19:20:20 +02:00
renovate[bot]	b64a100eff	chore(deps): update actions/checkout action to v5 (#112 )	2025-09-11 19:19:47 +02:00
renovate[bot]	4167a5c27b	chore(deps): update module github.com/spf13/cobra to v1.10.1 (#117 )	2025-09-11 18:13:52 +02:00
renovate[bot]	3c0dd7bf51	chore(deps): update actions/upload-pages-artifact action to v4 (#113 )	2025-09-11 13:31:39 +02:00
renovate[bot]	cbcfd7d007	chore(deps): update module github.com/hetznercloud/hcloud-go/v2 to v2.23.0 (#105 )	2025-09-11 13:30:13 +02:00
renovate[bot]	b2c2c8e979	chore(deps): update dependency golangci/golangci-lint to v2.4.0 (#108 )	2025-09-11 12:21:19 +02:00
renovate[bot]	bcf19efc64	chore(deps): update actions/checkout digest to 08eba0b (#111 )	2025-09-11 12:19:42 +02:00
renovate[bot]	8a03eb9e9b	chore(deps): update dependency rust-lang/mdbook to v0.4.52 (#104 )	2025-09-11 11:54:06 +02:00
Julian Tölle	b9af8855d5	chore(main): release 1.1.0 (#99 ) ## 1.1.0 (2025-05-10) ### Features * smaller snapshots by zeroing disk first (#101) (`fdfb284`) ### Bug Fixes * upload from local image generates broken command (#98) (`420dcf9`)	2025-05-10 14:27:47 +02:00
Julian Tölle	6f949a2ba7	chore(deps): update module github.com/apricote/hcloud-upload-image/hcloudimages to v1.1.0 (#102 )	2025-05-10 12:27:03 +00:00
Julian Tölle	03f08da8a3	chore(main): release hcloudimages 1.1.0 (#100 ) ## 1.1.0 (2025-05-10) ### Features * smaller snapshots by zeroing disk first (#101) (`fdfb284`) ### Bug Fixes * upload from local image generates broken command (#98) (`420dcf9`)	2025-05-10 14:24:05 +02:00
Julian Tölle	fdfb284533	feat: smaller snapshots by zeroing disk first (#101 ) The base image used requires ~0.42Gi. Even if the uploaded image is smaller, those bytes are currently not overwritten and still part of the stored snapshot. By zeroing the root disk first, those unwanted bytes are removed and not stored with the snapshot. This has two benefits: 1. Snapshots are billed by their compressed (shown) size, so small images are now a bit cheaper. 2. The time it takes to create a server from the snapshot scales with the snapshot size, so smaller snapshots means the server can start more quickly. This reduces the size of an example Talos x86 image from 0.42Gi before, to 0.2Gi afterwards. An example Flatcar image was 0.47Gi before, and still has that size with this patch. There are two ways to zero out the disk: - `dd if=/dev/zero of=/dev/sda` actually writes zeroes to every block on the device. This takes around a minute to do. - `blkdiscard /dev/sda` talks to the disk direclty and instructs it to discard all blocks. This only takes around 5 seconds. As both have the same effect on image size, but `blkdiscard` is SO MUCH faster, I have decided to use it. Even though only small images benefit from this, this is now enabled by default as the downside (5 second slower upload) does not justify additional flags or options to enable/disable this. Closes #96	2025-05-10 14:21:31 +02:00
Julian Tölle	420dcf94c9	fix: upload from local image generates broken command (#98 ) While adding support for qcow2 images in #69 I broke support for local images. Building a shell pipeline through string concatenation is not a good idea... The specific issue was fixed and I also moved building the shell pipeline to a separate function and added unit tests for all cases, so it should be easier to spot these issues in the future. Closes #97	2025-05-09 21:22:24 +00:00
Julian Tölle	28bf5380f3	chore(main): release 1.0.1 (#93 ) ## 1.0.1 (2025-05-09) ### Bug Fixes * timeout while waiting for SSH to become available (#92) (`e490b9a`)	2025-05-09 15:24:55 +00:00
Julian Tölle	4ff1883fd0	chore(deps): update module github.com/apricote/hcloud-upload-image/hcloudimages to v1.0.1 (#95 )	2025-05-09 14:29:27 +00:00
Julian Tölle	7f10f7b253	chore(main): release hcloudimages 1.0.1 (#94 ) ## 1.0.1 (2025-05-09) ### Bug Fixes * timeout while waiting for SSH to become available (#92) (`e490b9a`)	2025-05-09 16:17:27 +02:00
Julian Tölle	e490b9a7f3	fix: timeout while waiting for SSH to become available (#92 ) In #68 I reduced the general limits for the back off, thinking that it would speed up the upload on average because it was retrying faster. But because it was retrying faster, the 10 available retries were used up before SSH became available. The new 100 retries match the 3 minutes of total timeout that the previous solution had, and should fix all issues. In addition, I discovered that my implementation in `hcloudimages/backoff.ExponentialBackoffWithLimit` has a bug where the calculated offset could overflow before the limit was applied, resulting in negative durations. I did not fix the issue because `hcloud-go` provides such a method natively nowadays. Instead, I marked the method as deprecated, to be removed in a later release.	2025-05-09 16:15:07 +02:00
renovate[bot]	b093e1eda8	chore(deps): update golangci/golangci-lint-action action to v8 (#86 )	2025-05-09 16:03:49 +02:00
renovate[bot]	f12b6b076b	chore(deps): update dependency golangci/golangci-lint to v2.1.6 (#85 )	2025-05-09 16:03:33 +02:00
renovate[bot]	7cffed4ba7	chore(deps): update dependency rust-lang/mdbook to v0.4.49 (#87 )	2025-05-09 16:03:18 +02:00
renovate[bot]	19f1e085e9	chore(deps): update dependency go to v1.24.3 (#91 )	2025-05-09 16:03:07 +02:00
Julian Tölle	ba421d7dd8	chore(main): release 1.0.0 (#79 ) ## 1.0.0[0] (2025-05-04) ### Features * deps: require Go 1.23 (#70[1]) * docs website (#80[2]) * publish container image (#82[3]) * upload qcow2 images ([#69[4]) [0] https://github.com/apricote/hcloud-upload-image/compare/v0.3.1...v1.0.0 [1] https://github.com/apricote/hcloud-upload-image/issues/70 [2] https://github.com/apricote/hcloud-upload-image/issues/80 [3] https://github.com/apricote/hcloud-upload-image/issues/82 [4] https://github.com/apricote/hcloud-upload-image/issues/69	2025-05-04 02:40:17 +02:00
Julian Tölle	f481f20a33	chore(deps): update module github.com/apricote/hcloud-upload-image/hcloudimages to v1.0.0 (#84 )	2025-05-04 00:34:02 +00:00
Julian Tölle	9611d091a8	chore(main): release hcloudimages 1.0.0 (#78 ) 🤖 I have created a release beep boop --- ## 1.0.0[0] (2025-05-04) ### Features * upload qcow2 images (#69[1]) [0] https://github.com/apricote/hcloud-upload-image/compare/hcloudimages/v0.3.1...hcloudimages/v1.0.0 [1] https://github.com/apricote/hcloud-upload-image/issues/69	2025-05-04 02:30:16 +02:00
renovate[bot]	80f8291cac	chore(deps): update docker/login-action digest to 6d4b68b (#83 )	2025-05-04 00:24:36 +00:00
Julian Tölle	91df729f1c	feat: publish container image (#82 ) Use `goreleaser` and `ko` to automatically build and publish container images in the release workflow. The images are published to `ghcr.io/apricote/hcloud-upload-image`. Co-authored-by: Ilja Malachowski <malahovskiy.in@gmail.com>	2025-05-04 00:23:20 +00:00
renovate[bot]	02e80b277f	chore(deps): update dependency rust-lang/mdbook to v0.4.48 (#81 )	2025-05-04 02:20:30 +02:00
Julian Tölle	d144b85e3d	feat: docs website (#80 ) Deploy the documentation to GitHub Pages using `mdbook` and a little more content for it. Can be visited at https://apricote.github.io/hcloud-upload-image.	2025-05-04 02:18:47 +02:00
Julian Tölle	c175ca0352	chore(release): disable version link between lib and cli (#77 ) Needed to be able to release lib first.	2025-05-04 00:54:29 +02:00
renovate[bot]	2df6fdd850	chore(deps): update module golang.org/x/crypto to v0.37.0 (#72 )	2025-05-04 00:49:36 +02:00
Julian Tölle	0cff95bab8	chore(release): open separate prs for lib and cli (#75 ) The CLI depends on the lib, and to make sure that users who install through `go install` use the correct version, we need to cut a release for the lib first, bump in CLI and then release CLI.	2025-05-04 00:49:28 +02:00
Julian Tölle	e253df6fe9	chore(renovate): make sure to bump dependencies in lib too (#74 )	2025-05-03 22:41:42 +00:00
renovate[bot]	4829843c2e	chore(deps): update dependency golangci/golangci-lint to v2 (#66 )	2025-05-04 00:40:35 +02:00
renovate[bot]	cef79b943c	chore(config): migrate renovate config (#73 )	2025-05-03 22:34:17 +00:00
renovate[bot]	df19de506c	chore(deps): update module golang.org/x/net to v0.38.0 [security] (#63 )	2025-05-04 00:31:44 +02:00
renovate[bot]	099ae2d061	chore(deps): update module github.com/hetznercloud/hcloud-go/v2 to v2.21.0 (#62 )	2025-05-04 00:28:39 +02:00
Julian Tölle	ac3e9dd7ec	feat: upload qcow2 images (#69 ) It is now possible to upload qcow2 images. These images will be converted to raw disk images on the cloud server. In the CLI you can use the new `--format=qcow2` flag to upload qcow2 images. In the library you can set `UploadOptions.ImageFormat` to `FormatQCOW2`. Because of the underlying process, qcow2 images need to be written to a file first. This limits their size to 960 MB at the moment. The CLI automatically checks the file size (if possible) and shows a warning if this limit would be triggered. The library accepts an input with the file size and logs a warning if the limit would be triggered. Closes #44	2025-05-04 00:28:11 +02:00
renovate[bot]	b556533208	chore(deps): update dependency golangci/golangci-lint to v1.64.8 (#64 )	2025-05-04 00:20:28 +02:00
renovate[bot]	91bcf7067f	chore(deps): update module github.com/spf13/cobra to v1.9.1 (#65 )	2025-05-04 00:20:06 +02:00
Julian Tölle	f3fcb623fc	feat(deps): require Go 1.23 (#70 ) Required for newer version of hcloud-go/v2.	2025-05-04 00:19:37 +02:00
Julian Tölle	021787a9c3	chore: lower ssh retry exponential backoff limit (#68 ) The process is already slow enough, no need to waste so much time between SSH attempts.	2025-05-04 00:01:50 +02:00