server/.github/workflows/docker-publish-cdn.yml

name: docker-publish-cdn

on:
  push:
    paths:
      - 'cdn/**'

jobs:
  docker-cdn:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache/cdn
          key: ${{ runner.os }}-buildx-${{ github.sha }}-cdn
          restore-keys: |
            ${{ runner.os }}-buildx-cdn            
      -
        name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: ./cdn
          push: true
          tags: ${{ secrets.DOCKERHUB_TAGS_CDN }}
          cache-from: type=local,src=/tmp/.buildx-cache/cdn
          cache-to: type=local,dest=/tmp/.buildx-cache-new/cdn
      -
        # Hackfix to cleanup cache; replace after buildx 0.6 and BuildKit 0.9 are GA
        # https://github.com/docker/build-push-action/pull/406#issuecomment-879184394
        name: Move cache fix
        run: |
          rm -rf /tmp/.buildx-cache/cdn
          mv /tmp/.buildx-cache-new/cdn /tmp/.buildx-cache/cdn