name: Build Infrastructure Images

on:
  push:
    branches:
      - infrastructure
      - infra-*

env:
  GO_VERSION: "~1.24.0"
  CGO_ENABLED: "0"
  BUILD_USER: docker
  BUILD_HOST: github.syncthing.net

permissions:
  contents: read
  packages: write

jobs:
  docker-syncthing:
    name: Build and push Docker images
    if: github.repository == 'syncthing/syncthing'
    runs-on: ubuntu-latest
    environment: docker
    strategy:
      matrix:
        pkg:
          - stcrashreceiver
          - strelaypoolsrv
          - stupgrades
          - ursrv
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          check-latest: true

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

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

      - name: Build binaries
        run: |
          for arch in arm64 amd64; do
            go run build.go -goos linux -goarch "$arch" build ${{ matrix.pkg }}
            mv ${{ matrix.pkg }} ${{ matrix.pkg }}-linux-"$arch"
          done

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

      - name: Set Docker tags (all branches)
        run: |
          tags=docker.io/syncthing/${{ matrix.pkg }}:${{ github.sha }},ghcr.io/syncthing/infra/${{ matrix.pkg }}:${{ github.sha }}
          echo "TAGS=$tags" >> $GITHUB_ENV

      - name: Set Docker tags (latest)
        if: github.ref == 'refs/heads/infrastructure'
        run: |
          tags=docker.io/syncthing/${{ matrix.pkg }}:latest,ghcr.io/syncthing/infra/${{ matrix.pkg }}:latest,${{ env.TAGS }}
          echo "TAGS=$tags" >> $GITHUB_ENV

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile.${{ matrix.pkg }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ env.TAGS }}
          labels: |
            org.opencontainers.image.revision=${{ github.sha }}
