docker-backend-only-build-and-push.yml

name: Publish Docker image (backend only)

on:
  release:
    types: [ published ]
  workflow_dispatch: 
    inputs:
      tag:
        description: 'Tag of the commit to use'
        required: true
      docker_tags:
        description: 'Tags to use for Docker'
        required: true

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.tag && format('refs/tags/{0}', github.event.inputs.tag) || github.ref }}

      - name: Log in to Docker Hub
        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: ${{ vars.DOCKER_HUB_NAMESPACE }}/${{ vars.DOCKER_HUB_REPOSITORY_BACKEND }}

      - name: Build and push Docker image
        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0
        with:
          context: .
          file: ./WebApp/Dockerfile
          push: true
          tags: ${{ github.event.inputs.docker_tags || steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}