name: Test DinD Capabilities

on:
  push:
    branches: [ main, master ]
  workflow_dispatch: # Allows manual trigger from Gitea UI

jobs:
  test-dind:
    runs-on: ubuntu-latest # Change to your runner tag if customized
    
    # If your runner uses docker-container execution mode without automatic DinD sidecars,
    # you can uncomment the service below:
    # services:
    #   docker:
    #     image: docker:dind
    #     privileged: true

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Verify Docker CLI Availability
        run: |
          docker version
          docker info

      - name: Test Running a Container (Docker Pull & Run)
        run: |
          echo "Testing basic container execution..."
          docker run --rm alpine:latest echo "DinD works: Container successfully executed!"

      - name: Test Building an Image
        run: |
          echo "Testing docker build..."
          echo "FROM alpine:latest" > Dockerfile
          echo "RUN echo 'Built inside DinD' > /test.txt" >> Dockerfile
          echo "CMD cat /test.txt" >> Dockerfile
          
          docker build -t test-dind-image:local .
          docker run --rm test-dind-image:local