docker-image.yml

name: Build and Push Docker image

on:
  push:
    branches:
      - main  # This will trigger the workflow on push to the main branch.
    tags:
      - v*

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Log in to Docker Hub
      run: echo "${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}" | docker login -u "${{ secrets.DOCKER_HUB_USERNAME }}" --password-stdin

    - name: Build and tag Docker image
      run: |
        docker build -t ${{ secrets.DOCKER_HUB_USERNAME }}/pg-backup:${{ github.sha }} .

        # Strip git ref prefix from version
        VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

        # Strip "v" prefix from tag name
        [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')

        # Use Docker `latest` tag convention
        [ "$VERSION" == "main" ] && VERSION=latest

        echo VERSION=$VERSION
        
        docker tag ${{ secrets.DOCKER_HUB_USERNAME }}/pg-backup:${{ github.sha }} ${{ secrets.DOCKER_HUB_USERNAME }}/pg-backup:latest

    - name: Push Docker image to Docker Hub
      run: |
        docker push ${{ secrets.DOCKER_HUB_USERNAME }}/pg-backup:${{ github.sha }}

        # Strip git ref prefix from version
        VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

        # Strip "v" prefix from tag name
        [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')

        # Use Docker `latest` tag convention
        [ "$VERSION" == "main" ] && VERSION=latest

        echo VERSION=$VERSION
                
        docker push ${{ secrets.DOCKER_HUB_USERNAME }}/pg-backup:$VERSION