name: Build und Push Docker Image

on:
  push:
    branches: [main]
    tags: ["v*"]

env:
  REGISTRY: 172.29.0.2:3000
  DOCKER_HOST: tcp://172.17.0.1:2375

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Code auschecken
        uses: actions/checkout@v4

      - name: Docker-Daemon Diagnose
        run: |
          echo "--- Umgebungsvariablen (DOCKER_*) ---"
          env | grep -i docker || echo "keine DOCKER_* Variable gesetzt"
          echo "--- docker info ---"
          docker info

      - name: Bei der Registry anmelden
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ${{ env.REGISTRY }} -u ${{ github.actor }} --password-stdin

      - name: Image-Namen bestimmen
        id: vars
        run: echo "image=${{ env.REGISTRY }}/${{ github.repository }}" >> "$GITHUB_OUTPUT"

      - name: Image bauen
        run: docker build -t ${{ steps.vars.outputs.image }}:latest -t ${{ steps.vars.outputs.image }}:${{ github.sha }} .

      - name: Image pushen
        run: |
          docker push ${{ steps.vars.outputs.image }}:latest
          docker push ${{ steps.vars.outputs.image }}:${{ github.sha }}