Rate Limiting APIs Without Breaking User Experience
How to implement token bucket rate limiting with Redis, handle bursts gracefully, and communicate limits to clients — with FastAPI examples.
· 11 min readFastapi Articles
Technical articles related to fastapi.
Observability for Backend Services: Logs, Traces, and Metrics That Matter
How to instrument a FastAPI backend with structured logging, distributed tracing, and metrics — without drowning in data.
· 13 min readCaching Strategies for Full-Stack Applications
A practical breakdown of caching layers — browser, CDN, API, and database — with real implementation patterns for React + FastAPI stacks.
· 12 min readBuilding Authentication in FastAPI: From Zero to Production
Production-grade authentication in FastAPI with JWT rotation, bcrypt hashing, refresh tokens, rate limiting, and security best practices.
· 12 min readDocker Multi-Stage Builds for Python: Smaller Images, Faster Deploys
Reduce Python Docker images from 1.2 GB to 180 MB using multi-stage builds, layer caching, and security best practices.
· 10 min readFastAPI Background Tasks and Job Queues: Beyond the Basics
When to use FastAPI BackgroundTasks vs. Celery job queues with practical patterns for email, image processing, and scheduled tasks.
· 9 min readBuilding a Production RAG Pipeline with FastAPI and PostgreSQL
Build a production RAG pipeline using FastAPI and PostgreSQL with pgvector, covering chunking, embeddings, reranking, caching, and monitoring.
· 14 min readFastAPI Performance Optimization for High Traffic APIs
Optimize FastAPI for high traffic with async patterns, connection pooling, caching, serialization, and production deployment configuration.
· 12 min readTesting FastAPI Applications with Pytest: A Practical Guide
Practical guide to testing FastAPI applications with Pytest including fixtures, database isolation, authentication testing, and factories.
· 10 min readREST API Design Principles That Scale
Practical REST API design covering URL structure, response formats, status codes, versioning, pagination, and rate limiting.
· 11 min readBuilding Real-Time Applications with WebSockets and FastAPI
Build production WebSocket features in FastAPI including rooms, authentication, heartbeats, reconnection, and multi-server scaling with Redis.
· 12 min readError Handling Patterns for Production Python Applications
Production error handling patterns for Python applications including custom exceptions, structured logging, context propagation, and retry logic.
· 11 min readReal-Time Communication with FastAPI WebSockets
Build real-time features with FastAPI WebSockets including chat rooms, connection management, heartbeats, and scaling patterns.
· 12 min readBuilding a Full-Stack AI SaaS with FastAPI, React and Supabase
Architecture and implementation patterns for building a full-stack AI SaaS with FastAPI, React, and Supabase including streaming and usage tracking.
· 13 min readBuilding Production-Ready Microservices with FastAPI
A comprehensive guide to building scalable, production-ready microservices using FastAPI, including authentication, database patterns, and deployment.
· 11 min read