patchmon.net/.github/workflows/docker.yml

name: Build and Push Docker Images

on:
  pull_request:
    branches:
      - main
      - dev
  release:
    types:
      - published

env:
  REGISTRY: ghcr.io

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    strategy:
      matrix:
        include:
          - name: backend
            dockerfile: docker/backend.Dockerfile
            image: ${{ github.repository_owner }}/patchmon-backend
          - name: frontend
            dockerfile: docker/frontend.Dockerfile
            image: ${{ github.repository_owner }}/patchmon-frontend
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5

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

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ matrix.image }}
          tags: |
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push ${{ matrix.name }} image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=${{ matrix.name }}
          cache-to: type=gha,mode=max,scope=${{ matrix.name }}