docker-pipeline.yml

name: Build and Push Docker Image

on:
  pull_request:
    types: [closed]

jobs:
  # This job is triggered on merged PRs with the CI:Build label
  # It builds a Docker image with a local geth devnet and pushes it to Docker Hub
  build-and-push-docker-image:
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'CI:Build')
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}

      - name: Build and push Docker image
        run: |
          COMMIT=$(git rev-parse --short HEAD)
          VERSION=$(git describe --tags --abbrev=0)
          BUILDNUM=${{ github.run_number }}
          docker build --build-arg COMMIT=$COMMIT --build-arg VERSION=$VERSION --build-arg BUILDNUM=$BUILDNUM -t ${{ secrets.DOCKER_USERNAME }}/go-ethereum-fork:latest .
          docker push ${{ secrets.DOCKER_USERNAME }}/go-ethereum-fork:latest

  # This job is triggered on merged PRs with the CI:Deploy label
  # It runs a local geth devnet container in daemon mode using docker-compose with the image built in the previous job
  # A sample hardhat project is mounted to the container from the hardhat directory
  # The sample contract is deployed on the local geth devnet and tested
  # After that, a new image with the contract is built and pushed to Docker Hub
  
  hardhat-deploy-and-test:
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'CI:Deploy')
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Log in to Docker Hub  
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}

      - name: Install Docker Compose
        run: |
          sudo curl -SL https://github.com/docker/compose/releases/download/v2.29.1/docker-compose-linux-x86_64 -o /usr/local/bin/docker-compose
          sudo chmod +x /usr/local/bin/docker-compose
          docker-compose --version

      - name: Run local geth devnet container in daemon mode
        run: |
          docker-compose -f docker-compose.yml up -d geth-node

          # Wait for geth to be ready
          sleep 10
      
      - name: Copy entrypoint and the hardhat directory containing the sample project
        run: |
          docker cp ./hardhat ethereum-node:/hardhat
          docker cp ./entrypoint.sh ethereum-node:/entrypoint.sh
          docker exec ethereum-node chmod +x /entrypoint.sh
          
      - name: Compile and deploy contracts inside the container by running the entrypoint script
        run: |
          docker exec ethereum-node sh /entrypoint.sh

      - name: Commit the container state to a new Docker image and push it to Docker Hub
        run: |
          docker commit ethereum-node ${{ secrets.DOCKER_USERNAME }}/go-ethereum-fork:deployed
          docker push ${{ secrets.DOCKER_USERNAME }}/go-ethereum-fork:deployed

      - name: Stop and remove the geth-node container
        run: docker-compose -f docker-compose.yml down