Real-Time WebSockets with FastAPI and Redis
Build a FastAPI WebSocket server, scale it across instances with Redis Pub/Sub, and handle pings, auth, Nginx proxying and client reconnects with backoff.
#redis
Posts
Celery vs Arq: Async Task Queues in Python
Celery vs Arq for Python task queues: safe Celery settings, an async Arq worker, idempotency, visibility timeouts, retries and Arq's maintenance mode.
API Rate Limiting in Python with Redis, Lua and FastAPI
API rate limiting in Python: token bucket vs sliding window, an atomic Redis Lua limiter, a FastAPI dependency, 429 with Retry-After, and client-side backoff.
Redis Caching and Session Management in Python
Redis caching and session management with redis-py asyncio: cache-aside with stampede protection, server-side sessions, Streams, locks and eviction policies.
