protonmail-bridge-nextcoud-podman/.github/workflows/build.yaml

name: build from source

on:
  push:
    paths:
      - .github/workflows/build.yaml
      - build/*
      - VERSION
  pull_request:
  workflow_dispatch:

env:
  DOCKERHUB_REPO: dancwilliams/protonmail-bridge
  GHCR_REPO: ghcr.io/dancwilliams/protonmail-bridge-docker
  DOCKER_REPO_DEV: ghcr.io/dancwilliams/protonmail-bridge
  PLATFORMS: linux/amd64,linux/arm64/v8,linux/riscv64

jobs:
  changes:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    outputs:
      build: ${{ steps.filter.outputs.build }}
    steps:
      - uses: actions/checkout@v6
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            build:
              - '.github/workflows/build.yaml'
              - 'build/**'
              - 'VERSION'            

  test:
    needs: changes
    runs-on: ubuntu-latest
    timeout-minutes: 30
    if: github.event_name == 'pull_request' && needs.changes.outputs.build == 'true'
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Set version
        run: echo "version=$(cat VERSION)" >> $GITHUB_ENV

      - name: Sanitize ref for Docker tag
        run: echo "SAFE_TAG=$(echo "${GITHUB_HEAD_REF:-$GITHUB_REF_NAME}" | tr '/' '-')" >> $GITHUB_ENV

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.DOCKER_REPO_DEV }}            

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

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

      - name: Build and push
        id: build
        uses: docker/build-push-action@v6
        with:
          labels: ${{ steps.meta.outputs.labels }}
          context: ./build
          file: ./build/Dockerfile
          tags: "${{ env.DOCKER_REPO_DEV }}:dev-${{ env.SAFE_TAG }}"
          push: true
          build-args: |
            version=${{ env.version }}            

      - name: Run Trivy vulnerability scan
        uses: aquasecurity/trivy-action@0.34.1
        with:
          image-ref: "${{ env.DOCKER_REPO_DEV }}:dev-${{ env.SAFE_TAG }}"
          format: 'sarif'
          exit-code: 0
          severity: 'CRITICAL,HIGH'
          output: 'trivy-results.sarif'

      - name: Upload Trivy scan SARIF report
        uses: github/codeql-action/upload-sarif@v4
        with:
          sarif_file: 'trivy-results.sarif'

  build:
    runs-on: ${{ matrix.runner }}
    timeout-minutes: 90
    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && github.ref == 'refs/heads/master'
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            runner: ubuntu-latest
          - platform: linux/arm64/v8
            runner: ubuntu-24.04-arm  # native arm64 runner, no QEMU needed
          - platform: linux/riscv64
            runner: ubuntu-latest     # QEMU required; CGO compilation is slow
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
          # debian:bookworm-slim has no riscv64 image; fall back to sid-slim for that platform
          if [ "$platform" = "linux/riscv64" ]; then
            echo "RUNTIME_IMAGE=debian:sid-slim@sha256:30128782ec2a5b0595723b21ee6be29adc2959a97fbff2b7cf5f582d28a5464b" >> $GITHUB_ENV
          else
            echo "RUNTIME_IMAGE=debian:bookworm-slim@sha256:74d56e3931e0d5a1dd51f8c8a2466d21de84a271cd3b5a733b803aa91abf4421" >> $GITHUB_ENV
          fi          

      - name: Set version
        run: echo "version=$(cat VERSION)" >> $GITHUB_ENV

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

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

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

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

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          platforms: ${{ matrix.platform }}
          outputs: type=image,name=${{ env.DOCKERHUB_REPO }},push-by-digest=true,name-canonical=true,push=true
          context: ./build
          file: ./build/Dockerfile
          provenance: false
          sbom: false
          build-args: |
            version=${{ env.version }}
            RUNTIME_IMAGE=${{ env.RUNTIME_IMAGE }}            

      - name: Export digest
        run: |
          mkdir -p ${{ runner.temp }}/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "${{ runner.temp }}/digests/${digest#sha256:}"          

      - name: Upload digest
        uses: actions/upload-artifact@v7
        with:
          name: digests-${{ env.PLATFORM_PAIR }}
          path: ${{ runner.temp }}/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    needs:
      - build
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Download digests
        uses: actions/download-artifact@v8
        with:
          path: ${{ runner.temp }}/digests
          pattern: digests-*
          merge-multiple: true

      - name: Set version
        run: echo "version=$(cat VERSION)" >> $GITHUB_ENV

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

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

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

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.DOCKERHUB_REPO }}
            ${{ env.GHCR_REPO }}            
          tags: |
            type=raw,value=${{ env.version }}
            type=raw,value=latest            

      - name: Create manifest list and push
        working-directory: ${{ runner.temp }}/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.DOCKERHUB_REPO }}@sha256:%s ' *)          

      - name: Run Trivy vulnerability scan
        uses: aquasecurity/trivy-action@0.34.1
        with:
          image-ref: "${{ env.DOCKERHUB_REPO }}:${{ env.version }}"
          format: 'sarif'
          exit-code: 0
          severity: 'CRITICAL,HIGH'
          output: 'trivy-results.sarif'

      - name: Upload Trivy scan SARIF report
        uses: github/codeql-action/upload-sarif@v4
        with:
          sarif_file: 'trivy-results.sarif'

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.DOCKERHUB_REPO }}:${{ env.version }}
          docker buildx imagetools inspect ${{ env.GHCR_REPO }}:${{ env.version }}          

  ci-required:
    if: ${{ failure() || cancelled() }}
    needs: [changes, test]
    runs-on: ubuntu-latest
    steps:
      - run: exit 1