name: Build & push Docker image

on:
  push:
    branches:
      - '*' # Trigger on push to all branches

env:
  IMAGE_NAME: "contact-api"  # e.g wavyzz/hello-world
  DOCKERFILE: "./Dockerfile"

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: https://github.com/actions/checkout@v5

      - name: Extract branch name
        shell: bash
        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
        id: extract_branch

      - name: Set up Docker Buildx
        uses: https://github.com/docker/setup-buildx-action@v3

      - name: Login to private registry
        uses: docker/login-action@v3
        with:
          registry: https://${{ secrets.DOCKER_REGISTRY_HOST }}
          username: ${{ secrets.DOCKER_REGISTRY_USER }}
          password: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}

      - name: Build and push Docker image
        uses: https://github.com/docker/build-push-action@v5
        with:
          context: .
          file: "${{ env.DOCKERFILE }}"
          push: true
          tags: |
            ${{ secrets.DOCKER_REGISTRY_HOST }}/${{ env.IMAGE_NAME }}:${{ steps.extract_branch.outputs.branch }}-latest
            ${{ secrets.DOCKER_REGISTRY_HOST }}/${{ env.IMAGE_NAME }}:latest