docker.yml

name: Docker Image CI

on:
  push:
    branches:
      - main
      - dev # Add your dev branch here
      - 'feature/**' # Optional: for any feature branch

jobs:
  build_and_push_image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Log in to GitHub Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Determine Image Tags
      id: set_tags
      run: |
        # Get a sanitized, lowercased version of the branch name (e.g., "dev")
        BRANCH_NAME=$(echo "${{ github.ref_name }}" | sed 's/[^a-zA-Z0-9-]/_/g' | tr '[:upper:]' '[:lower:]')

        # Define the base name for the image
        IMAGE_NAME=ghcr.io/${{ github.repository }}

        # Conditionally set tags based on the branch
        if [[ "${{ github.ref_name }}" == "main" ]]; then
          # For the main branch, tag with 'latest'
          TAGS="${IMAGE_NAME}:latest"
        else
          # For all other branches (like 'dev'), tag with the branch name
          TAGS="${IMAGE_NAME}:${BRANCH_NAME}"
        fi

        # Output the tags for use in the next step
        echo "TAGS=${TAGS}" >> $GITHUB_OUTPUT

    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: ${{ steps.set_tags.outputs.TAGS }}