name: release - build & deploy naar productie

# Draait wanneer je in Forgejo een release publiceert.
# De release-tag (bv. v1.2.0) wordt de image-tag op productie.
on:
  release:
    types: [published]

concurrency:
  group: deploy-prod
  cancel-in-progress: false

jobs:
  build-and-deploy:
    runs-on: prod   # jouw prod-runner (productieserver)
    env:
      REGISTRY: ${{ vars.REGISTRY }}
      IMAGE_NAME: ${{ github.repository }}   # bes-r/teach
    steps:
      - uses: actions/checkout@v4

      - name: Image-tags bepalen
        id: meta
        run: |
          IMAGE="${REGISTRY}/${IMAGE_NAME}"
          VERSION="${GITHUB_REF_NAME}"   # de release-/tagnaam, bv. v1.2.0
          echo "image=${IMAGE}" >> "$GITHUB_OUTPUT"
          echo "version_tag=${IMAGE}:${VERSION}" >> "$GITHUB_OUTPUT"
          echo "latest_tag=${IMAGE}:latest" >> "$GITHUB_OUTPUT"
          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"

      # Platte docker build/push (HTTP-registry, zie README voor insecure-registry).
      - name: Login, build & push
        run: |
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "$REGISTRY" -u "${{ secrets.REGISTRY_USER }}" --password-stdin
          docker build \
            --build-arg APP_VERSION="${{ steps.meta.outputs.version }}" \
            -t "${{ steps.meta.outputs.version_tag }}" \
            -t "${{ steps.meta.outputs.latest_tag }}" .
          docker push "${{ steps.meta.outputs.version_tag }}"
          docker push "${{ steps.meta.outputs.latest_tag }}"

      # Deploy via gewone ssh (geen externe action nodig).
      - name: Deploy naar productie-VM
        run: |
          echo "${{ secrets.PROD_SSH_KEY }}" > deploy_key
          chmod 600 deploy_key
          ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o BatchMode=yes -o ConnectTimeout=15 \
            -i deploy_key ${{ secrets.PROD_USER }}@${{ secrets.PROD_HOST }} \
            "set -e && cd ${{ secrets.PROD_DEPLOY_PATH }} && echo '${{ secrets.REGISTRY_TOKEN }}' | docker login ${{ vars.REGISTRY }} -u '${{ secrets.REGISTRY_USER }}' --password-stdin && sed -i 's|^IMAGE=.*|IMAGE=${{ steps.meta.outputs.version_tag }}|' .env && docker compose -f compose.deploy.yaml pull app && docker compose -f compose.deploy.yaml up -d && docker image prune -f"
          rm -f deploy_key