docker-image.yml

name: Docker Image CI

on:
  push:
    branches: [main]

jobs:
  build-and-publish:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
    env:
      IMAGE_NAME: ${{ github.repository }}
    steps:
    - name: Check out the repository
      uses: actions/checkout@v3

    - name: Convert IMAGE_NAME to lowercase
      run: |
        echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV

    - name: Build the Docker image
      run: |
        docker build . --file Dockerfile --tag $IMAGE_NAME:${{ github.sha }}

    - name: Log in to GitHub Container Registry
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Tag the image with the 'latest' tag
      run: |
        docker tag $IMAGE_NAME:${{ github.sha }} ghcr.io/$IMAGE_NAME:latest

    - name: Tag the image with the SHA
      run: |
        docker tag $IMAGE_NAME:${{ github.sha }} ghcr.io/$IMAGE_NAME:${{ github.sha }}

    - name: Push the Docker image to GitHub Container Registry
      run: |
        docker push ghcr.io/$IMAGE_NAME:latest
        docker push ghcr.io/$IMAGE_NAME:${{ github.sha }}