Tag: express

Browse 10 practical software engineering resources tagged with "express". Discover code recipes, design patterns, documentation templates, and in-depth guides to help you build, deploy, and maintain production-ready solutions involving express.

Express.js Middleware Composition Patterns

Build maintainable Express applications using middleware composition patterns for authentication, validation, error handling, request context propagation, and async route wrappers

express nodejs middleware api

Middleware

How to implement request/response middleware for logging, auth, and error handling across Python, JavaScript, and Java.

api authentication express rest

Node.js WebSocket Real-Time Communication with Socket.io

Build real-time WebSocket applications in Node.js with Socket.io

nodejs websocket socket.io realtime

Server-Sent Events with Node.js and Express

Implement real-time server-to-client push using Server-Sent Events in Node.js with Express, covering connection management, event types, reconnection logic, and backpressure handling

sse real-time nodejs express

Node.js JWT Authentication: Verify and Refresh Tokens

Implement JWT authentication in Node.js with access and refresh tokens

nodejs jwt authentication express

Node.js OAuth2 GitHub Login with Express

Implement GitHub OAuth2 login flow in Node.js with Express and Passport

nodejs oauth2 github express

Node.js File Upload Validation: Type, Size, and Content

Validate file uploads in Node.js with multer for type, size, and content

nodejs express multer file-upload

Error Tracking with Sentry in Express

How to integrate Sentry for error tracking in Node.js Express applications, including error handlers, performance monitoring, release tracking, and source maps.

observability nodejs sentry error-tracking

Configure HTTP Security Headers with Helmet in Node.js

Set security HTTP headers in Express apps with Helmet — CSP, HSTS, X-Frame-Options, X-Content-Type-Options, and CORS for OWASP-compliant web security

nodejs helmet security headers express

Test Express APIs with supertest

How to test Express.js REST API endpoints end-to-end using supertest, including status codes, JSON bodies, headers, authentication, and error handling.

testing nodejs express supertest