docker.yml

#
name: Create and publish a Docker image

# Configures this workflow to run every time a change is pushed to the branch called `release`.
on:
  push:
    branches: ["master"]
    tags: ["v*"]

# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
    permissions:
      contents: read
      packages: write
      #
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Set BUILD_TIME env
        run: echo BUILD_TIME=$(date -u +"%Y-%m-%dT%H:%M:%SZ") >> ${GITHUB_ENV}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=semver,pattern=release
            type=sha
      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max
          push: true
          build-args: |
            BUILD_TIME=${{ env.BUILD_TIME }}
            GIT_COMMIT=${{ github.sha }}
            GIT_REF=${{ github.ref }}
            GIT_REF_NAME=${{ github.ref_name }}
            GIT_REF_TYPE=${{ github.ref_type }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}