build-push-docker.yml

name: Docker Builder Image

on:
  push:
    branches:
      - 'develop'
    paths-ignore:
      - '**.md'
      - '**.rst'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Set docker image tag to 'develop'
        run: echo "DOCKER_TAG=develop" >> $GITHUB_ENV
      - name: Set docker image tag to git tag
        if: startsWith(github.ref, 'refs/tags/v')
        run: echo "DOCKER_TAG=${{ github.ref_name }}" >> $GITHUB_ENV
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: ./
          file: ./docker/Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          build-args: |
            JOBS=2
            VERSION=${{ env.DOCKER_TAG }}
          push: true
          tags: 3dgi/roofer:${{ env.DOCKER_TAG }}
          cache-from: type=registry,ref=3dgi/roofer:buildcache
          cache-to: type=registry,ref=3dgi/roofer:buildcache,mode=max