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Docker Manifests (deprecated)

Docker Manifests (deprecated)

Phasing out in v2.12. Docker Images v2 is preferred instead.

GoReleaser can also create and push Docker multi-platform images using the docker manifest tool.

For it to work, it needs to be enabled in the client’s configuration.

Please make sure docker manifest works before opening issues.

Notice that if you have something in the docker_manifests section in your config file, GoReleaser will add the manifest’s to the release notes instead of the Docker images names.

Warning

Notice that the images used in the manifest need to be pushed for this to work. This is a limitation of how docker manifest create works. For more info, check this issue.

Customization

You can create several manifests in a single GoReleaser run, here are all the options available:

.goreleaser.yaml
docker_manifests:
  # You can have multiple Docker manifests.
  - # ID of the manifest, needed if you want to filter by it later on (e.g. on
    # custom publishers).
    id: myimg

    # Name for the manifest.
    #
    # Templates: allowed.
    name_template: "foo/bar:{{ .Version }}"

    # Image name to be added to this manifest.
    #
    # Templates: allowed.
    image_templates:
      - "foo/bar:{{ .Version }}-amd64"
      - "foo/bar:{{ .Version }}-arm64v8"

    # Extra flags to be passed down to the manifest create command.
    create_flags:
      - --insecure

    # Extra flags to be passed down to the manifest push command.
    push_flags:
      - --insecure

    # Retry configuration for manifest operations.
    #
    # 

  
Since v2.12



    retry:
      # Attempts of retry.
      #
      # Default: 10.
      attempts: 5

      # Delay between retry attempts.
      #
      # Default: 10s.
      delay: 5s

      # Maximum delay between retry attempts.
      #
      # Default: 5m.
      max_delay: 2m

    # Skips the Docker manifest.
    # If you set this to `false` or `auto` on your source Docker configuration,
    #  you'll probably want to do the same here.
    #
    # If set to `auto`, the manifest will not be created in case there is an
    #  indicator of a prerelease in the tag, e.g. v1.0.0-rc1.
    #
    # Templates: allowed.
    skip_push: false

    # Set the "backend" for the Docker manifest pipe.
    # Valid options are: docker, podman
    #
    # Relevant notes:
    # 1. podman is a GoReleaser Pro feature and is only available on Linux;
    # 2. if you set podman here, the respective docker configuration need to use
    #     podman too.
    #
    # Default: 'docker'.
    use: docker
Learn more about the template language.

How it works

We basically build and push our images as usual, but we also add a new section to our configuration defining, which images are part of which manifests.

GoReleaser will create and publish the manifest in its publishing phase.

Warning

Unfortunately, the manifest tool needs the images to be pushed to create the manifest, that’s why we both create and push it in the publishing phase.

Example config

In this example we will use Docker’s --platform option to specify the target platform. This way we can use the same Dockerfile for both the amd64, and the arm64 images (and possibly others):

# Dockerfile
FROM alpine
ENTRYPOINT ["/usr/bin/mybin"]
COPY mybin /usr/bin/mybin

Then, on our GoReleaser configuration file, we need to define both the dockers, and the docker_manifests section:

.goreleaser.yaml
builds:
  - env:
      - CGO_ENABLED=0
    binary: mybin
    goos:
      - linux
    goarch:
      - amd64
      - arm64
dockers:
  - image_templates:
      - "foo/bar:{{ .Version }}-amd64"
    use: buildx
    dockerfile: Dockerfile
    build_flag_templates:
      - "--platform=linux/amd64"
  - image_templates:
      - "foo/bar:{{ .Version }}-arm64v8"
    use: buildx
    goarch: arm64
    dockerfile: Dockerfile
    build_flag_templates:
      - "--platform=linux/arm64/v8"
docker_manifests:
  - name_template: "foo/bar:{{ .Version }}"
    image_templates:
      - "foo/bar:{{ .Version }}-amd64"
      - "foo/bar:{{ .Version }}-arm64v8"

Warning

Notice that --platform needs to be in the Docker platform format, not Go’s.

That config will build the 2 Docker images defined, as well as the manifest, and push everything to Docker Hub.

Using Podman

This feature is exclusively available with GoReleaser Pro.

You can use podman instead of docker by setting use to podman on your configuration:

.goreleaser.yaml
docker_manifests:
  - name_template: "foo/bar:{{ .Version }}"
    image_templates:
      - "foo/bar:{{ .Version }}-amd64"
      - "foo/bar:{{ .Version }}-arm64v8"
    use: podman

Note that GoReleaser will not install Podman for you, nor change any of its configuration.

Last updated on
Docker Images (deprecated)