name: Debug job network
on:
  push:
    branches: [main]
jobs:
  debug:
    runs-on: ubuntu-latest
    steps:
      - name: Show job container network
        run: |
          echo "=== /etc/hosts ==="
          cat /etc/hosts
          echo "=== ip addr ==="
          ip addr || true
          echo "=== ping server ==="
          ping -c 1 server 2>&1 || true
          echo "=== getent hosts server ==="
          getent hosts server 2>&1 || true
          echo "=== try 127.0.0.1:3000 ==="
          curl -s -o /dev/null -w "%{http_code}" --connect-timeout 2 http://127.0.0.1:3000/ || echo "failed"
          echo ""
          echo "=== try host.docker.internal:3000 (if exists) ==="
          curl -s -o /dev/null -w "%{http_code}" --connect-timeout 2 http://host.docker.internal:3000/ 2>/dev/null || echo "failed/skipped"