Explore the Hub
Next.js Google OAuth Login
Complete Google OAuth flow with NextAuth.js, token handling, session management
Supabase Email/Password Auth
Sign up, sign in, password reset, and protected routes with Supabase Auth
JWT Authentication in Express.js
Access/refresh token pattern with middleware guards and secure cookie storage
Firebase Auth with React
Google/GitHub sign-in, onAuthStateChanged listener, and route protection
Clerk Auth in Next.js App Router
Drop-in auth with Clerk, middleware protection, and user metadata
Passwordless Magic Link Auth
Email magic link flow with Resend and custom token verification
GitHub OAuth with FastAPI
OAuth2 Authorization Code flow with token exchange and user profile fetch
Role-Based Access Control (RBAC)
Role/permission system with middleware, database schema, and route guards
Secure Session Management with Redis
Express sessions with Redis store, expiration, and fingerprinting
Prisma + PostgreSQL Full Setup
Schema design, migrations, seeding, CRUD operations, and relations
Redis Caching for API Responses
Cache-aside pattern, TTL, invalidation, and cache stampede prevention
Safe Database Migrations
Zero-downtime migration patterns, rollback strategies, and data backfills
Full-Text Search in PostgreSQL
tsvector, tsquery, ranking, trigram similarity, and search indexing
SQLite for Desktop/Local Apps
better-sqlite3 setup, WAL mode, concurrent access, and performance tuning
Connection Pooling Done Right
PgBouncer, Prisma pool, Supabase pooler, and pool sizing formula
Production-Ready REST API (Express)
Error handling, Zod validation, rate limiting, CORS, and structured logging
GraphQL API with Apollo Server
Schema, resolvers, context, dataloaders, and error handling
tRPC End-to-End Type Safety
tRPC router, procedures, React Query integration, and error handling
Secure Webhook Handler
Signature verification, idempotency, retry handling, and queue processing
API Rate Limiting Strategies
Token bucket, sliding window, Redis-backed, and per-user limits
File Upload to S3/R2
Presigned URLs, multipart upload, progress tracking, and file validation
Background Jobs with BullMQ
Queue setup, workers, retries, job scheduling, and monitoring dashboard
Real-Time Updates with SSE
EventSource API, reconnection, broadcasting, and Express/Fastify SSE
WebSocket Chat with Socket.io
Rooms, namespaces, auth middleware, reconnection, and scaling
React Form Validation (React Hook Form + Zod)
Type-safe forms, custom validators, error display, and submission handling
Next.js Server Actions Guide
Form mutations, revalidation, optimistic updates, and error handling