build.yml

name: build-pipeline

on:
  pull_request:
    branches:
      - master
      - staging

jobs:
  changes:
    runs-on: ubuntu-latest
    # Set job outputs to values from filter step
    outputs:
      client: ${{ steps.filter.outputs.client }}
      server: ${{ steps.filter.outputs.server }}
    steps:
      # For pull requests it's not necessary to checkout the code
      - uses: dorny/paths-filter@v2
        id: filter
        with:
          filters: |
            client:
              - 'app/client/**'
            server:
              - 'app/server/**'
  frontend-docker-build:
    runs-on: ubuntu-latest
    needs: changes
    if: ${{ needs.changes.outputs.client == 'true' }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Build docker image
        shell: bash
        run: |
          docker build . -f Dockerfile.client

  server-docker-build:
    runs-on: ubuntu-latest
    needs: changes
    if: ${{ needs.changes.outputs.server == 'true' }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Build docker image
        shell: bash
        run: |
          docker build . -f Dockerfile.server