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Redis & Caching Strategies Guide

``` EN: Master Redis as a professional caching layer with FastAPI: data types, caching patterns, rate limiting, sessions, Pub/Sub and async integration. ES: Domina Redis como capa de caching profesional para tus APIs con FastAPI. Aprenderás los 5 data types con criterio (no solo strings), los 3 patterns de caching fundamentales (cache-aside, write-through, write-behind), rate limiting con sliding window y sorted sets, session storage que complementa JWT, Pub/Sub para eventos asíncronos, e integración async con FastAPI usando `redis.asyncio` (el cliente oficial — no la librería deprecada `aioredis`). Es una guía intermedia que cierra el bloque de infraestructura backend del Path Backend Python Developer antes de Testing. ```

25

Lessons

5

Modules

🎓

Bootcamp access

Lo que aprenderás

✓Install and operate Redis with confidence: CLI commands, the 5 data types, redis-py
✓Implement the 3 fundamental caching patterns (cache-aside, write-through, write-behind) with judgment
✓Design TTL strategies and solve cache invalidation (manual, event-driven, version-based)
✓Prevent cache stampede with locking and probabilistic early expiration
✓Build professional rate limiting with token bucket and sliding window using sorted sets
✓Use Redis as a session store complementing JWTs for immediate revocation
✓Implement Pub/Sub for cache invalidation events and lightweight messaging
✓Integrate Redis with FastAPI async: dependency injection, middleware, connection pooling, graceful degradation
✓Monitor cache performance: hit rate, miss rate, latency with/without cache
✓Deploy a production-ready API stack with FastAPI + PostgreSQL + Redis in Docker Compose

¿Para quién es?

  • •Backend developers who built FastAPI APIs and need to optimize performance for real traffic
  • •Engineers whose PostgreSQL is saturated with repetitive queries returning the same data
  • •Developers building APIs in production that need rate limiting against abuse
  • •Engineers who used Redis superficially as a key-value store and want to master professional patterns
  • •Teams that need session management with immediate revocation (JWT alone is not enough)

Requisitos

  • •FastAPI intermediate: endpoints, Pydantic, dependency injection (Guides #6-7)
  • •Python async/await basics
  • •Familiarity with REST APIs and HTTP semantics
  • •Docker basics (to run Redis in a container — no DevOps required)
  • •Basic database concepts (you'll see PostgreSQL as the source of truth, but don't need to be an expert)

Course content

1Módulo 1: Redis Fundamentals — Guía para el Creador5 lessons
2Módulo 2: Caching Patterns & TTL — Guía para el Creador5 lessons
3Módulo 3: Rate Limiting & Session Storage — Guía para el Creador5 lessons
4Módulo 4: Pub/Sub & FastAPI Integration — Guía para el Creador5 lessons
5Módulo 5: Proyecto Integrador — API con Caching Strategy — Guía para el Creador5 lessons
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