name: Docker Image CI

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

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3

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

    # Build Docker image with Buildx
    # https://github.com/docker/build-push-action
    - name: Build and push
      id: build-and-push
      uses: docker/build-push-action@v4
      with:
        context: ./docker
        push: false
        file: docker/Dockerfile
        cache-from: type=gha
        cache-to: type=gha,mode=max
        build-args: CACHEBUST=$(date +%s)