ci.yml

---
name: CI for PRs
on:
  pull_request:
    types: [opened, reopened, synchronize]

jobs:
  ci-build:
    name: Build & Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout PR Branch/Tree
        uses: actions/checkout@v2

      - name: Configure Git
        run: |
          git config --global user.email "$GITHUB_ACTOR@users.noreply.github.com" && \
          git config --global user.name "$GITHUB_ACTOR"
      - name: Merge Changes in main Into PR Branch
        run: git fetch origin && git checkout $GITHUB_HEAD_REF && git merge origin/$GITHUB_BASE_REF

      - name: Build Test Image
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          file: Dockerfile.ci
          push: false
          tags: app-test-image:latest

      - name: Check Installed Dependencies in Image
        run: |
          docker run --rm \
          --entrypoint sh \
          -w /workspace \
          ${{ steps.docker_build.outputs.digest }} -c "yarn lint && yarn test"