blender.yml

# This workflow is triggered for every push to the main branch changing `docker/Blender.Dockerfile`.
# If this succeeds, it also publishes the container to `kubricdockerhub/blender`.

name: blender.yml

on:
  push:
    branches: [ main ]
    paths: 'docker/Blender.Dockerfile'

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Check out Repository
        uses: actions/checkout@v2

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.7'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install setuptools wheel twine

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1

      - name: Cache Docker Layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ hashfiles('docker/Blender.Dockerfile',
                                                     'docker/cycles_free_patch.txt',
                                                     'docker/segfault_bug_patch.txt') }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Login to Docker Hub
        uses: docker/login-action@v1
        with:
          username: kubricdockerhub
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Build and Push Container
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: ./
          file: docker/Blender.Dockerfile
          push: true

          # using the fake ternary expression ${{ condition && 'true' || 'false' }}
          tags: |
            kubricdockerhub/blender:${{ github.sha }}
            kubricdockerhub/blender:${{ github.event_name == 'push' && 'latest' || github.sha }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      
      - name: Image Digest
        run: echo ${{ steps.docker_build.outputs.digest }}