name: Build and Push Docker Image

on:
  push:
    branches:
      - main

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
        - name: Checkout code
          uses: actions/checkout@v2

        - name: Build Docker image
          run: |
            IMAGE_NAME="ghcr.io/jurajkubrican/knet/go-web-server"
            RUN_NUMBER="${{ github.run_number }}"
            docker build -t "$IMAGE_NAME:latest" -t "$IMAGE_NAME:${{ github.run_number }}" .
        
        - name: Log in to GitHub Container Registry
          uses: docker/login-action@v2
          with:
            registry: ghcr.io
            username: ${{ github.actor }}
            password: ${{ secrets.CR_PAT }}
  
        - name: Push Docker image to GitHub Container Registry
          run: |
            docker push "ghcr.io/jurajkubrican/knet/go-web-server:latest"
  
        - name: Verify image is pushed
          run: |
            echo "Docker image pushed to: ghcr.io/jurajkubrican/knet/go-web-server:latest"