docker.yaml

name: build & push
on:
  push:
    branches:
      - main

permissions:
  packages: write
  contents: read
  id-token: write

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      max-parallel: 3
      matrix:
        platform:
          - linux/amd64
          - linux/arm64
          - linux/arm/v6
          - linux/arm/v7
        image:
          - go-builder
          - go-runtime
    steps:
      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
      - 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: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository }}/${{ matrix.image }}

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./${{ matrix.image }}/Dockerfile
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=ghcr.io/rss3-network/go-image/${{ matrix.image }},push-by-digest=true,name-canonical=true,push=true
      - name: Export digest
        run: |
          mkdir -p /tmp/digests/${{ matrix.image }}
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${{ matrix.image }}/${digest#sha256:}"
      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.image }}-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/${{ matrix.image }}/*
          if-no-files-found: error
          retention-days: 1
  merge:
    runs-on: ubuntu-latest
    needs:
      - build
    strategy:
      fail-fast: false
      matrix:
        image:
          - go-builder
          - go-runtime
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests/${{ matrix.image }}
          pattern: digests-${{ matrix.image }}-*
          merge-multiple: true
      - 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: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract Docker metadata (ordinary version)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            rss3/${{ matrix.image }}
            ghcr.io/${{ github.repository }}/${{ matrix.image }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=raw,value=${{ matrix.arch }},enable={{is_default_branch}}
            type=semver,pattern=v{{version}}
            type=semver,pattern=v{{major}}.{{minor}}
            type=semver,pattern=v{{major}}
            type=ref,event=branch
            type=ref,event=pr
            type=sha,prefix={{branch}}-,enable=${{ !startsWith(github.ref, 'refs/tags') && github.event_name != 'pull_request' }},event=branch

      - name: Create manifest list and push
        working-directory: /tmp/digests/${{ matrix.image }}
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf 'ghcr.io/rss3-network/go-image/${{ matrix.image }}@sha256:%s ' *)
      - name: Inspect image
        if: github.event_name != 'pull_request'
        run: |
          docker buildx imagetools inspect ghcr.io/rss3-network/go-image/${{ matrix.image }}:${{ steps.meta.outputs.version }}