Cloudflare Workers Boilerplates

Popular Cloudflare Workers Boilerplates

Feature Comparison Table

Getting Started with Clodo Framework

Ready to build production-ready Workers applications? Here's how to get started with Clodo:

# Create a project
npm create clodo@latest my-app
cd my-app
# Install deps and run locally
npm install
npm run dev

# From project root (after npm run dev)
curl -s http://localhost:8787/ | head -n 40

Lessons from a generated worker: analytics-service

We reviewed a generated Cloudflare Worker (the analytics-service example) and distilled practical boilerplate requirements so you can scaffold production-ready services quickly.

Key takeaways

• Consistent project layout: include src/, routes/, tests/, and examples/ in the scaffold for discoverability.
• Bindings & typed helpers: a template wrangler.toml with placeholders for D1/KV/R2/secrets and small typed wrappers reduces onboarding friction.
• Routing & middleware: a clear handler/router pattern with middleware hooks for auth, validation, and metrics improves maintainability.
• Observability: include a lightweight metrics middleware (counters & timing) and a /health endpoint for quick uptime checks.
• Testing & CI: unit tests + a minimal e2e visual or smoke test and a GitHub Actions workflow ensure code quality and repeatable deploys.

Generator checklist

1. Scaffold basic layout and sample requests in examples/.
2. Include a template wrangler.toml with binding placeholders and comments.
3. Add typed binding helpers and a simple middleware stack.
4. Add a health endpoint, basic metrics, and structured logging.
5. Add unit tests, a simple smoke test, and GitHub Actions workflow templates.
6. Provide README + quickstart + how-to snippet in the docs (JSON-LD HowTo where applicable).

Minimal handler example

// Minimal analytics-service handler
addEventListener('fetch', event => {
  event.respondWith(handle(event.request));
});

async function handle(req) {
  const url = new URL(req.url);
  if (url.pathname === '/health') return new Response('OK', { status: 200 });

  if (req.method === 'POST' && url.pathname === '/events') {
    try {
      const payload = await req.json();
      // TODO: validate and persist to KV/D1/R2
      return new Response(JSON.stringify({ status: 'accepted' }), { status: 202, headers: { 'content-type': 'application/json' } });
    } catch (err) {
      return new Response(JSON.stringify({ error: 'invalid payload' }), { status: 400, headers: { 'content-type': 'application/json' } });
    }
  }

  return new Response('Not Found', { status: 404 });
}

Why include this in the docs? Embedding concrete boilerplate guidance helps teams onboard faster, ship with sensible security and observability defaults, and avoid repeating integration work across projects.

Migrating from Other Frameworks

Already using another Workers framework? Migration guides are coming soon. For now, check our Wrangler migration guide for detailed steps.

Workers Boilerplate Best Practices

Choose Based on Project Needs

For simple APIs or scheduled tasks, basic templates suffice. For complex applications requiring authentication, databases, and multi-tenancy, choose frameworks like Clodo that provide these features out of the box.

Consider Long-term Maintenance

Evaluate community size, documentation quality, and update frequency. Official Cloudflare templates offer stability, while community frameworks provide innovation.

Start Small, Scale Up

Begin with a minimal template and add features as needed. Most boilerplates support incremental enhancement without complete rewrites.