Node.js Error Handling, Graceful Shutdown, and Health Checks
Separate operational errors from programmer defects, expose liveness and readiness correctly, stop accepting traffic on termination, and bound graceful shutdown.
How to Run a Node.js Application as a systemd Service
Run a Node.js service under systemd with a dedicated unprivileged account, protected filesystem access, restart policy, environment separation, journal logs, and zero-guesswork health checks.
How to Deploy Node.js Behind Nginx with HTTPS
Place Nginx in front of a loopback-only Node.js service, forward correct proxy metadata, support WebSockets, set timeouts, obtain TLS, and validate the complete request path.
How to Build an HTTP Server Using Only Native Node.js
Build a dependency-free JSON HTTP service with routing, body limits, correct status codes, health checks, request timeouts, and graceful shutdown.
How to Build a REST API with Node.js and Express 5
Create a small Express 5 REST API with JSON parsing, resource routes, async handlers, HTTP semantics, and a centralized error response.
Express 5 Routing, Middleware, Validation, and Error Handling
Structure an Express 5 service into routers and middleware, validate untrusted input, attach request IDs, and let rejected async handlers reach one consistent error boundary.
How to Build a Node.js API with TypeScript
Compile a strict TypeScript API to JavaScript, use Node-compatible module settings, separate development type checking from production execution, and ship only required artifacts.
How to Connect Node.js to PostgreSQL with Connection Pooling
Connect a Node.js API to PostgreSQL using a bounded pool, parameterized queries, transactions, timeouts, and clean shutdown without leaking clients.
How to Use Redis Caching in a Node.js Application
Add cache-aside reads to a Node.js service with explicit JSON serialization, namespaced keys, finite TTLs, invalidation, reconnect handling, and measurable cache hits.
How to Implement JWT Authentication and Refresh Tokens in Node.js
Issue short-lived access tokens and rotating opaque refresh tokens, hash stored refresh credentials, validate claims and algorithms, and revoke sessions safely.
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