chore: Distribute as docker image

.goreleaser.yml

@@ -131,3 +131,54 @@ winget:
           owner: go-task
           name: winget-pkgs
           branch: "bump-task-to-{{.Tag}}"
+
+dockers:
+  - image_templates:
+      - "ghcr.io/go-task/task:v{{.Version}}-amd64"
+    use: buildx
+    dockerfile: Dockerfile
+    build_flag_templates:
+      - "--platform=linux/amd64"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.url=https://taskfile.dev"
+      - "--label=org.opencontainers.image.source=https://github.com/go-task/task"
+      - "--label=org.opencontainers.image.licenses=MIT"
+      - "--label=org.opencontainers.image.authors=The Task authors <[email protected]>"
+      - "--label=org.opencontainers.image.description=Task is a task runner / build tool that aims to be simpler and easier to use than, for example, GNU Make."
+  - image_templates:
+      - "ghcr.io/go-task/task:v{{.Version}}-arm64v8"
+    use: buildx
+    goarch: arm64
+    dockerfile: Dockerfile
+    build_flag_templates:
+      - "--platform=linux/arm64/v8"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.url=https://taskfile.dev"
+      - "--label=org.opencontainers.image.source=https://github.com/go-task/task"
+      - "--label=org.opencontainers.image.licenses=MIT"
+      - "--label=org.opencontainers.image.authors=The Task authors <[email protected]>"
+      - "--label=org.opencontainers.image.description=Task is a task runner / build tool that aims to be simpler and easier to use than, for example, GNU Make."
+
+docker_manifests:
+  - name_template: "ghcr.io/go-task/task:v{{.Major}}.{{.Minor}}.{{.Patch}}"
+    image_templates:
+      - "ghcr.io/go-task/task:v{{.Version}}-amd64"
+      - "ghcr.io/go-task/task:v{{.Version}}-arm64v8"
+  - name_template: "ghcr.io/go-task/task:v{{.Major}}.{{.Minor}}"
+    image_templates:
+      - "ghcr.io/go-task/task:v{{.Version}}-amd64"
+      - "ghcr.io/go-task/task:v{{.Version}}-arm64v8"
+  - name_template: "ghcr.io/go-task/task:v{{.Major}}"
+    image_templates:
+      - "ghcr.io/go-task/task:v{{.Version}}-amd64"
+      - "ghcr.io/go-task/task:v{{.Version}}-arm64v8"
+  - name_template: "ghcr.io/go-task/task:latest"
+    image_templates:
+      - "ghcr.io/go-task/task:v{{.Version}}-amd64"
+      - "ghcr.io/go-task/task:v{{.Version}}-arm64v8"

Dockerfile

@@ -0,0 +1,3 @@
+FROM scratch
+COPY task /usr/local/bin/task
+CMD ["/usr/local/bin/task"]

website/docs/installation.mdx

@@ -196,6 +196,23 @@ If you want to install Task in GitHub Actions you can try using
 
 This installation method is community owned.
 
+### Docker
+
+If you are building a Docker image that, among other utilities, must contain `task` as well, you can copy over both the binary as well as the appropriate Bash completion for your shell from the official `ghcr.io/go-task/task` Docker image:
+
+:::info
+
+The image is available only for `amd64` and `arm64v8` architectures and only for Task versions starting at v3.40.2.
+
+:::
+
+```Dockerfile
+FROM ubuntu:22.04
+# ...
+COPY --from=ghcr.io/go-task/task:v3.40.2 /usr/local/bin/task /usr/local/bin/task
+# ...
+```
+
 ## Build From Source
 
 ### Go Modules