publish-containers.yml

name: Build & publish container images

on:
  workflow_dispatch:
  schedule:
    - cron: "0 0 * * SAT" # every saturday at midnight
  push:
    branches:
      - "main"

env:
  REGISTRY: ghcr.io

jobs:
  build-image:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - context: ./
            dockerfile: ./apps/web/Dockerfile
            image: ghcr.io/zxplay/zxcoder
          - context: ./apps/proxy/
            dockerfile: ./apps/proxy/Dockerfile
            image: ghcr.io/zxplay/zxcoder-proxy
          - context: ./apps/auth/
            dockerfile: ./apps/auth/Dockerfile
            image: ghcr.io/zxplay/zxcoder-auth
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ matrix.image }}
          tags: |
            # Apply 'latest' tag on main branch.
            # NOTE: This behaviour is used by default only on the 'master' branch. Otherwise branch name is used!
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}

      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v3
        with:
          context: ${{ matrix.context }}
          file: ${{ matrix.dockerfile }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}