bun

Understand the fundamental differences between JavaScript in the browser and JavaScript on the server (Node.js, Bun, Deno). Learn about APIs, global objects, module systems, and what changes when JS leaves the browser.

Extend your Bun + Hono REST API with a real database (Neon serverless PostgreSQL) and Redis caching (Upstash) — all deployed to Vercel for free. Includes Drizzle ORM, migrations, and rate limiting.

Step-by-step guide to building and deploying a Bun + Hono REST API to Vercel using a free GitHub public repo. Covers project setup, Vercel adapter, environment variables, and CI/CD.

Compare Bun, Node.js, and Deno in depth: performance benchmarks, TypeScript support, package management, compatibility, security models, and which runtime to choose for your next project.