name: Create and publish a Docker image

on:
  push:
    branches: ['main']

env:
  CONTEXT: HackathonPreparing/HackathonPreparing.ApiService

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    name: Publish image
    container: catthehacker/ubuntu:act-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: https://gitea.com/ScMi1/checkout@v1
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: https://github.com/docker/metadata-action@v4
        with:
          images: ${{ env.GITHUB_SERVER_URL }}/${{ gitea.repository }}
      - name: Build an image from Dockerfile
        run: |
          cd ${{ env.CONTEXT }} &&
          docker build -t ${{ env.DOCKER_METADATA_OUTPUT_TAGS }} .
      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@0.20.0
        with:
          image-ref: '${{ env.DOCKER_METADATA_OUTPUT_TAGS }}'
          format: 'table'
          exit-code: '1'
          ignore-unfixed: true
          vuln-type: 'os,library'
          severity: 'CRITICAL,HIGH'
      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ${{ env.GITHUB_SERVER_URL }}
          username: ${{ gitea.actor }}
          password: ${{ secrets.TOKEN }}
      - name: Push
        run: |
          docker push '${{ env.DOCKER_METADATA_OUTPUT_TAGS }}'
  deploy:
    needs: build-and-push-image
    runs-on: ubuntu-latest
    name: Deploy image
    container: catthehacker/ubuntu:act-latest
    steps:
      - name: install ssh keys
        # check this thread to understand why its needed:
        # <https://stackoverflow.com/a/70447517>
        run: |
          install -m 600 -D /dev/null ~/.ssh/id_rsa
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
          ssh-keyscan -H ${{ secrets.SSH_HOST }} > ~/.ssh/known_hosts
      - name: connect and pull
        run: ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "cd ${{ secrets.WORK_DIR }} && docker compose pull && docker compose up -d && docker image prune && exit"
      - name: cleanup
        run: rm -rf ~/.ssh