name: Build Docker Image & Security
on:
  push:
    branches:
      - main
  workflow_dispatch:
jobs:
  build-scan-push:
    runs-on: running-man
    env:
      # The image is under "homelab" namespace so it can stay private
      IMAGE: git.sysmd.uk/homelab/sysmd-games:latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Login to registry
        run: |
          echo "$REGISTRY_TOKEN" | docker login git.sysmd.uk -u "$REGISTRY_USER" --password-stdin
        env:
          REGISTRY_USER: ${{ secrets.REGISTRY_USER }}
          REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
      - name: Build image
        run: |
          docker build --no-cache -t ${IMAGE} .
      - name: Install Grype
        uses: https://git.sysmd.uk/mdaleo404/actions/install-grype@v1
      - name: Scan image with Grype
        id: scan
        continue-on-error: true
        uses: https://git.sysmd.uk/mdaleo404/actions/scan-image@v1
        with:
          image: ${{ env.IMAGE }}
          fail-on-fixable: 'false'
      - name: Reconcile Grype ignores
        id: reconcile
        continue-on-error: true
        env:
          GITEA_TOKEN: ${{ secrets.AUTOUPDATE_TOKEN }}
        run: |
          set -euo pipefail
          curl -fsSL -H "Authorization: token ${GITEA_TOKEN}" \
            "https://git.sysmd.uk/api/v1/repos/Homelab/renovate-runner/raw/scripts/reconcile-grype.sh?ref=main" \
            -o /tmp/reconcile-grype.sh
          bash /tmp/reconcile-grype.sh
      - name: Notify Node-RED on vulnerabilities
        if: steps.reconcile.outcome == 'failure'
        run: |
          jq -n --arg repo "${GITHUB_REPOSITORY,,}" '{ repo: $repo }' \
          | curl -s -X POST https://nodered.sysmd.uk/vulns-alert \
              -H "Content-Type: application/json" \
              --data-binary @-
      - name: Fail workflow if vulnerabilities found
        if: steps.reconcile.outcome == 'failure'
        run: exit 1
      - name: Push image
        if: steps.reconcile.outcome != 'failure'
        run: |
          docker push ${IMAGE}
      - name: Deploy to server
        if: steps.reconcile.outcome != 'failure'
        uses: appleboy/ssh-action@v1.2.0
        with:
          host: ${{ secrets.DEPLOYMENT_HOST }}
          username: ${{ secrets.DEPLOYMENT_USER }}
          key: ${{ secrets.DEPLOYMENT_SSH_KEY }}
          port: ${{ secrets.DEPLOYMENT_SSH_PORT }}
          script: |
            sudo docker compose -f /opt/sysmd-games/docker-compose.yml pull && \
            sudo docker compose -f /opt/sysmd-games/docker-compose.yml up -d
          host_key: 'false'