package.yml

name: Package

on:
  push:
    branches: 
    - main
  pull_request:
    branches: 
    - main
  release:
    types: [ "published" ]

env:
  CGO_ENABLED: 0
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}
  # platforms to build the image for
  PLATFORMS: linux/amd64, linux/arm64
  # default platform of the runners, used to mitigate time of building on x arch during PRs
  PR_PLATFORMS: linux/amd64

jobs:
  package:
    if: ${{ github.event_name == 'pull_request' }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    strategy: 
      matrix: 
        variant: 
          - "generic"
          - "mysql"
          - "postgres"

    concurrency:
      group: package-${{ github.workflow }}-${{ matrix.variant }}-${{ github.head_ref }}
      cancel-in-progress: ${{ github.event_name == 'pull_request' }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with: 
          platforms: ${{ env.PLATFORMS }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-${{ matrix.variant }}
          tags: |         
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha,format=long

      - name: Build on ${{ env.PR_PLATFORMS }} only
        timeout-minutes: 10
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./build/Dockerfile
          platforms: ${{ env.PR_PLATFORMS }}
          build-args: |
              GIT_USER=api 
              GIT_TOKEN=${{ secrets.GITHUB_TOKEN }}
              PROXYVARIANT=${{ matrix.variant }}
          push: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  package-multi-arch:
    if: ${{ github.event_name != 'pull_request' }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    strategy: 
      matrix: 
        variant: 
          - "generic"
          - "mysql"
          - "postgres"

    concurrency:
      group: package-multi-arch-${{ github.workflow }}-${{ matrix.variant }}-${{ github.head_ref }}
      cancel-in-progress: ${{ github.event_name == 'pull_request' }}

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

      # Install the cosign tool except on PR
      # https://github.com/sigstore/cosign-installer
      - name: Install cosign
        if: github.event_name == 'release'
        uses: sigstore/cosign-installer@main

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with: 
          platforms: ${{ env.PLATFORMS }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-${{ matrix.variant }}
          tags: |         
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha,format=long

      # Login against a Docker registry
      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name == 'release'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push multi-arch
        if: ${{ github.event_name != 'pull_request' }}
        timeout-minutes: 20
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./build/Dockerfile
          platforms: ${{ env.PLATFORMS }}
          build-args: |
              GIT_USER=api 
              GIT_TOKEN=${{ secrets.GITHUB_TOKEN }}
              PROXYVARIANT=${{ matrix.variant }}
          push: ${{ github.event_name == 'release' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          
      # Sign the resulting Docker image digest except on PRs.
      # https://github.com/sigstore/cosign
      - name: Sign the images with GitHub OIDC Token **not production ready**
        if: github.event_name == 'release'
        run: cosign sign --yes ${TAGS}
        env:
          TAGS: ${{ steps.meta.outputs.tags }}