chore: Distribute as docker image

.devcontainer/devcontainer.json

@@ -0,0 +1,27 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/go
+{
+	"name": "Go",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/go:1-1.23-bookworm",
+	"features": {
+		"ghcr.io/devcontainers/features/docker-in-docker:2": {},
+		"ghcr.io/marcozac/devcontainer-features/goreleaser:1": {},
+		"ghcr.io/guiyomh/features/golangci-lint:0": {}
+	}
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "go version",
+
+	// Configure tool-specific properties.
+	// "customizations": {},
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

.goreleaser.yml

@@ -131,3 +131,51 @@ 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
+    extra_files:
+      - completion/bash/task.bash
+    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://github.com/go-task/task"
+      - "--label=org.opencontainers.image.source=https://github.com/go-task/task"
+      - "--label=org.opencontainers.image.licenses=MIT"
+      - "--label=org.opencontainers.image.authors=Andrey Nering <[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
+    extra_files:
+      - completion/bash/task.bash
+    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://github.com/go-task/task"
+      - "--label=org.opencontainers.image.source=https://github.com/go-task/task"
+      - "--label=org.opencontainers.image.licenses=MIT"
+      - "--label=org.opencontainers.image.authors=Andrey Nering <[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{{.Version}}"
+    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 +1,4 @@
+FROM scratch
+COPY task /usr/local/bin/task
+COPY completion/* /etc/completion/
+CMD ["/usr/local/bin/task"]

website/docs/installation.mdx

@@ -220,6 +220,20 @@ 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:
+
+> Note: 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
+COPY --from=ghcr.io/go-task/task:v3.40.2 /etc/completion/bash/task.bash /etc/bash_completion.d/task
+# ...
+```
+
 ## Build From Source
 
 ### Go Modules