docker-image.yml

name: Docker Image CI

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - 
      uses: actions/checkout@v4
    -
      name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3
    -
      name: Login to Docker Hub
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
    -
      name: Build prod and push
      if: github.ref == 'refs/heads/main'
      uses: docker/build-push-action@v6
      with:
        context: .
        file: Dockerfile
        tags: ghcr.io/ucsd-e4e/maestro_scheduler:main
        push: true
        cache-from: type=registry,ref=ghcr.io/ucsd-e4e/maestro_scheduler:main_cache
        cache-to: type=registry,ref=ghcr.io/ucsd-e4e/maestro_scheduler:main_cache,mode=max
    -
      name: Build prod and push
      if: github.ref != 'refs/heads/main'
      uses: docker/build-push-action@v6
      with:
        context: .
        file: Dockerfile
        tags: ghcr.io/ucsd-e4e/maestro_scheduler:${{ github.head_ref }}
        push: true
        cache-from: type=registry,ref=ghcr.io/ucsd-e4e/maestro_scheduler:${{ github.head_ref }}_cache
        cache-to: type=registry,ref=ghcr.io/ucsd-e4e/maestro_scheduler:${{ github.head_ref }}_cache,mode=max