Programming Guides

Profile bottlenecks, tune the event loop, optimize I/O and memory, and apply caching patterns that keep Node.js APIs fast under real-world load.

Learn how to containerize applications, write efficient Dockerfiles, compose multi-service stacks, and adopt workflows that scale from laptop to production.

Sessions, JWTs, OAuth2, passkeys, and cookie security—choose auth patterns that balance UX, security, and operational complexity.