example-restrict.yml

name: Example (restrict)

on:
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Start buildcage builder
        id: buildcage
        uses: dash14/buildcage/setup@main
        with:
          proxy_mode: restrict
          allowed_https_domains: registry.npmjs.org

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver: remote
          endpoint: ${{ steps.buildcage.outputs.endpoint }}

      - name: Create test Dockerfile
        run: |
          mkdir -p /tmp/build-context
          cat <<'EOF' > /tmp/build-context/Dockerfile
          FROM node:24-alpine
          WORKDIR /app
          RUN npm init -y && npm install express
          RUN wget -q -O /dev/null --timeout=5 https://example.com/ || true
          EOF

      - name: Build test image
        uses: docker/build-push-action@v6
        with:
          context: /tmp/build-context
          push: false
          no-cache: true

      - name: Show proxy report
        if: always()
        uses: dash14/buildcage/report@main
        with:
          fail_on_blocked: false