parachain.yml

name: Build Parachain Docker Template

on:
  push:
    branches:  [ main ]
  release:
    types: [published]

env:
  # github.repository as <account>/<repo>
  PARACHAIN_IMAGE_NAME: integritee/parachain-docker-template
  
jobs:
  docker:
    runs-on: ubuntu-latest
    env:
        working-directory: ./parachain
    steps:
      - name: Check Out Repo 
        uses: actions/checkout@v2

      - name: Prepare
        id: prep
        run: |
          DOCKER_IMAGE=${{ env.PARACHAIN_IMAGE_NAME }}
          VERSION=edge
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/v}
          fi
          if [ "${{ github.event_name }}" = "schedule" ]; then
            VERSION=nightly
          fi
          TAGS="${DOCKER_IMAGE}:${VERSION}"
          if [ "${{ github.event.release.tag_name }}" != "" ]; then
            VERSION=${{ github.event.release.tag_name }}
          fi
          if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
            TAGS="$TAGS,${DOCKER_IMAGE}:latest"
          fi
          echo ::set-output name=tags::${TAGS}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        
      - name: Login to Docker Hub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-single-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-single-buildx-
            
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: ${{env.working-directory}}
          file: ${{env.working-directory}}/Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.prep.outputs.tags }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new
          
        # Temp fix
        # https://github.com/docker/build-push-action/issues/252
        # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
          
      - name: Image digest
        run: 
          echo ${{ steps.docker_build.outputs.digest }}
          echo ${{ steps.buildx.outputs.name }}
          echo ${{ steps.prep.outputs.tags }}