name: Docker CI/CD

on:
  push:
    branches:
      - '**'
  release:
    types:
      - published

permissions:
  packages: write
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Build Docker image
        run: |
          IMAGE_NAME=$(echo ${{ github.repository }} | cut -d'/' -f2)
          docker build -t $IMAGE_NAME:${{ github.sha }} .

      - name: Save Docker image as .tar artifact
        run: |
          IMAGE_NAME=$(echo ${{ github.repository }} | cut -d'/' -f2)
          docker save $IMAGE_NAME:${{ github.sha }} > docker-image-${{ github.sha }}.tar

      - name: Upload artifact
        uses: actions/upload-artifact@v4  # Updated to v4
        with:
          name: docker-image-${{ github.sha }}
          path: docker-image-${{ github.sha }}.tar