docker.yaml

name: Docker

on:
  push:
    branches: [ 'main' ]
  pull_request:
    branches: [ 'main' ]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  docker:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - context: backend
            suffix: -backend
          - context: webapp
            suffix: -webapp
    permissions:
      contents: read
      packages: write
    steps:
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      -
        name: Checkout
        uses: actions/checkout@v4
      -
        name: Login to registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      -
        name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}${{ matrix.suffix }}
      -
        name: Build and push container
        uses: docker/build-push-action@v5
        with:
          cache-from: type=gha
          cache-to: type=gha,mode=max
          context: ${{ matrix.context }}
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}