docker-image.yml

name: Docker Image CI

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  workflow_dispatch:
  
jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4

    # Set up Docker Buildx (optional, but recommended for multi-platform builds)
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    # Log in to ghcr.io
    - name: Log in to GitHub Container Registry
      run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

    # Define image tag as an environment variable
    - name: Define image tag
      id: vars
      run: echo "IMAGE_TAG=$(date +%s)" >> $GITHUB_ENV

    # Build the Docker image
    - name: Build the Docker image
      run: docker build . --file ./CloudProject/Dockerfile --tag ghcr.io/${{ github.repository_owner }}/cloud_ci_cd_image:${{ env.IMAGE_TAG }}

    # Push the Docker image to ghcr.io
    - name: Push the Docker image
      run: docker push ghcr.io/${{ github.repository_owner }}/cloud_ci_cd_image:${{ env.IMAGE_TAG }}