name: "docker: build all release containers (unified)"

on:
  push:
    tags:
      - '*'
  workflow_dispatch: {}

permissions:
  contents: read

# Limit concurrent builds to avoid rate limits
concurrency:
  group: release-${{ github.ref }}
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      # Build sequentially to avoid rate limits
      max-parallel: 2
      matrix:
        include:
          # Normal volume - multi-arch
          - variant: normal
            platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/386
            dockerfile: ./docker/Dockerfile.go_build
            build_args: ""
            tag_suffix: ""
            
          # Large disk - multi-arch  
          - variant: large_disk
            platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/386
            dockerfile: ./docker/Dockerfile.go_build
            build_args: TAGS=5BytesOffset
            tag_suffix: _large_disk
            
          # Full tags - amd64 only
          - variant: full
            platforms: linux/amd64
            dockerfile: ./docker/Dockerfile.go_build
            build_args: TAGS=elastic,gocdk,rclone,sqlite,tarantool,tikv,ydb
            tag_suffix: _full
            
          # Large disk + full tags - amd64 only
          - variant: large_disk_full
            platforms: linux/amd64
            dockerfile: ./docker/Dockerfile.go_build
            build_args: TAGS=5BytesOffset,elastic,gocdk,rclone,sqlite,tarantool,tikv,ydb
            tag_suffix: _large_disk_full
            
          # RocksDB large disk - amd64 only
          - variant: rocksdb
            platforms: linux/amd64
            dockerfile: ./docker/Dockerfile.rocksdb_large
            build_args: ""
            tag_suffix: _large_disk_rocksdb
            
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        
      - name: Free Disk Space
        run: |
          echo "Available disk space before cleanup:"
          df -h
          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL
          sudo apt-get clean
          sudo rm -rf /var/lib/apt/lists/*
          sudo docker system prune -af --volumes
          [ -d ~/.cache/go-build ] && rm -rf ~/.cache/go-build || true
          [ -d /go/pkg ] && rm -rf /go/pkg || true
          echo "Available disk space after cleanup:"
          df -h
          
      - name: Docker meta
        id: docker_meta
        uses: docker/metadata-action@v5
        with:
          images: |
            chrislusf/seaweedfs
            ghcr.io/chrislusf/seaweedfs
          tags: type=ref,event=tag,suffix=${{ matrix.tag_suffix }}
          flavor: latest=false
          labels: |
            org.opencontainers.image.title=seaweedfs
            org.opencontainers.image.description=SeaweedFS is a distributed storage system for blobs, objects, files, and data lake, to store and serve billions of files fast!
            org.opencontainers.image.vendor=Chris Lu
            
      - name: Set up QEMU
        if: contains(matrix.platforms, 'arm')
        uses: docker/setup-qemu-action@v3
        
      - name: Create BuildKit config
        run: |
          cat > /tmp/buildkitd.toml <<EOF
          [registry."docker.io"]
            mirrors = ["https://mirror.gcr.io"]
          EOF
          
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          buildkitd-config: /tmp/buildkitd.toml
          
      - name: Login to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          
      - name: Login to GHCR
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ secrets.GHCR_USERNAME }}
          password: ${{ secrets.GHCR_TOKEN }}
          
      - name: Build and push ${{ matrix.variant }}
        uses: docker/build-push-action@v6
        env:
          DOCKER_BUILDKIT: 1
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
          file: ${{ matrix.dockerfile }}
          platforms: ${{ matrix.platforms }}
          # Push to GHCR to avoid Docker Hub rate limits on pulls
          tags: |
            ghcr.io/chrislusf/seaweedfs:${{ github.ref_name }}${{ matrix.tag_suffix }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          cache-from: type=gha,scope=${{ matrix.variant }}
          cache-to: type=gha,mode=max,scope=${{ matrix.variant }}
          build-args: |
            ${{ matrix.build_args }}
            BUILDKIT_INLINE_CACHE=1
            BRANCH=${{ github.sha }}
            
      - name: Clean up build artifacts
        if: always()
        run: |
          sudo docker system prune -f
          sudo rm -rf /tmp/go-build*

  copy-to-dockerhub:
    runs-on: ubuntu-latest
    needs: [build]
    if: github.event_name != 'pull_request'
    strategy:
      matrix:
        variant: [normal, large_disk, full, large_disk_full, rocksdb]
        include:
          - variant: normal
            tag_suffix: ""
          - variant: large_disk
            tag_suffix: _large_disk
          - variant: full
            tag_suffix: _full
          - variant: large_disk_full
            tag_suffix: _large_disk_full
          - variant: rocksdb
            tag_suffix: _large_disk_rocksdb
            
    steps:
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          
      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ secrets.GHCR_USERNAME }}
          password: ${{ secrets.GHCR_TOKEN }}
          
      - name: Install crane
        run: |
          cd $(mktemp -d)
          curl -sL "https://github.com/google/go-containerregistry/releases/latest/download/go-containerregistry_Linux_x86_64.tar.gz" | tar xz
          sudo mv crane /usr/local/bin/
          crane version
          
      - name: Copy ${{ matrix.variant }} from GHCR to Docker Hub
        run: |
          # Function to retry with exponential backoff
          retry_with_backoff() {
            local max_attempts=5
            local timeout=1
            local attempt=1
            local exit_code=0
            
            while [ $attempt -le $max_attempts ]; do
              if "$@"; then
                return 0
              else
                exit_code=$?
              fi
              
              if [ $attempt -lt $max_attempts ]; then
                echo "Attempt $attempt failed. Retrying in ${timeout}s..." >&2
                sleep $timeout
                timeout=$((timeout * 2))
              fi
              
              attempt=$((attempt + 1))
            done
            
            echo "Command failed after $max_attempts attempts" >&2
            return $exit_code
          }
          
          # Copy multi-arch image from GHCR to Docker Hub with retry
          # This is much more efficient than pulling/pushing individual arch images
          echo "Copying ${{ matrix.variant }} from GHCR to Docker Hub..."
          retry_with_backoff crane copy \
            ghcr.io/chrislusf/seaweedfs:${{ github.ref_name }}${{ matrix.tag_suffix }} \
            chrislusf/seaweedfs:${{ github.ref_name }}${{ matrix.tag_suffix }}
          
          echo "✓ Successfully copied ${{ matrix.variant }} to Docker Hub"