name: Build buildpacks-ci docker image

on:
  push:
    branches: [ master ]
    paths: [ Dockerfile, config/**, build/** , Gemfile, Gemfile.lock ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.CF_BUILDPACKS_DOCKERHUB_USERNAME }}
          password: ${{ secrets.CF_BUILDPACKS_DOCKERHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          push: true
          tags: cfbuildpacks/ci

Add workflow to build CI image on changes
Add workflow to build CI image on changes