docker-push.yml

name: Create and publish a Docker image
on:
  release:
    types: [published]

permissions:
  contents: read
  packages: write

jobs:
  build-docker:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=latest
            type=semver,pattern={{version}}

      - name: Go Build Cache for Docker
        id: cache
        uses: actions/cache@v4.2.0
        with:
          path: |
            ~/.cache/go-build
            ~/go/pkg/mod
          key: ${{ runner.os }}-go-build-cache-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-build-cache-

      - name: inject go-build-cache into docker
        uses: reproducible-containers/buildkit-cache-dance@v3.1.0
        with:
          cache-map: |
            {
              "go-pkg-mod": "/go/pkg/mod",
              "go-build-cache": "/root/.cache/go-build"
            }
          skip-extraction: ${{ steps.cache.outputs.cache-hit }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          platforms: linux/amd64,linux/arm64
          push: true
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}