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Course overview

Redis for Backend Developers: From Fundamentals to Real-World Implementation

Learn how Redis works and how to use it in Node.js and Express.js. Build practical examples covering data structures, caching, expiration, rate limiting, and production basics.

A practical Redis course for learners who already know basic programming and databases. Start with Redis fundamentals, learn core commands and data structures, connect Redis to Node.js and Express.js, implement caching and cache invalidation, and explore rate limiting, sessions, persistence, troubleshooting, and production safeguards. Every lesson includes a clear explanation, practical example, expected behavior, key takeaways, and a hands-on task. Implementation examples use the node-redis client and are designed to be adapted to a real project.

Learning path

Course curriculum

5 modules

  1. 01

    Redis Fundamentals

    Learn what Redis is, why backend developers use it, how it compares with other databases, and how to run it locally.

    4 lessons
    1. 01 · What Is Redis? How Does Redis Work?Understand Redis, in-memory storage, keys and values, and how a backend application communicates with Redis.Free
    2. 02 · Why Use Redis? Benefits, Use Cases, and LimitationsIdentify common Redis use cases and decide when adding Redis is worthwhile.Paid
    3. 03 · Redis vs MySQL vs MongoDB: Key DifferencesCompare Redis with relational and document databases and understand how they can work together.Paid
    4. 04 · How to Install Redis with Docker and Run Your First CommandsStart a local Redis server, connect with redis-cli, and verify basic commands.Paid
  2. 02

    Redis Commands and Data Structures

    Practice the essential commands, expiration behavior, core data structures, and atomic counter operations.

    4 lessons
    1. 05 · Redis SET and GET Commands: Store, Read, and Delete KeysPractice basic Redis string commands, key naming, existence checks, and deletion.Paid
    2. 06 · Redis TTL and EXPIRE: Set Key Expiration TimeSet expiration on temporary Redis values and understand the results returned by TTL.Paid
    3. 07 · Redis Data Types Explained: Strings, Hashes, Lists, Sets, and Sorted SetsChoose Redis data structures based on the operations your application needs.Paid
    4. 08 · Redis INCR: Atomic Counters and Safe UpdatesUse Redis atomic increment commands and understand why separate reads and writes can lose updates.Paid
  3. 03

    Redis with Node.js and Express.js

    Connect Redis to Node.js and build a cache-aside flow with clear setup, execution, and debugging steps.

    4 lessons
    1. 09 · How to Connect Redis with Node.js Using node-redisInstall the node-redis package, connect asynchronously, and run a basic Redis command from JavaScript.Paid
    2. 10 · How to Integrate Redis into an Express.js ApplicationBuild a small Express API that reads and writes a Redis value using one shared client.Paid
    3. 11 · How to Implement Redis Caching in Node.js: Cache-Aside PatternImplement a cache-aside service and observe the difference between cache hits and misses.Paid
    4. 12 · Redis Cache Invalidation: Keep Cached Data UpdatedInvalidate cached values after database updates and understand how stale data appears.Paid
  4. 04

    Practical Redis Backend Patterns

    Apply Redis to rate limiting, sessions, cache freshness, persistence, and memory management.

    4 lessons
    1. 13 · How to Build API Rate Limiting with Redis and Express.jsUnderstand fixed-window rate limiting and the atomicity requirements for a reliable implementation.Paid
    2. 14 · How to Store Express Sessions in RedisUnderstand server-side sessions and the configuration needed for Redis-backed Express sessions.Paid
    3. 15 · Redis Caching Strategies: TTL, Cache Misses, and Cache StampedesChoose TTLs and learn ways to reduce repeated database work when popular keys expire.Paid
    4. 16 · Redis Persistence, Memory Limits, and Eviction PoliciesUnderstand Redis RDB and AOF persistence, memory limits, and what eviction means.Paid
  5. 05

    Redis Project and Production Basics

    Troubleshoot common failures, review production safeguards, and assemble a small cached REST API.

    4 lessons
    1. 17 · How to Fix Redis Connection Refused and Common ErrorsDiagnose Redis connectivity, Docker networking, configuration, and missing-key issues systematically.Paid
    2. 18 · Redis Production Best Practices: Security, Timeouts, and MonitoringCreate a production checklist for Redis access control, failure behavior, and operational monitoring.Paid
    3. 19 · Build a Redis-Cached REST API with Node.js and Express.jsCombine a primary database, Redis cache-aside reads, TTL, and invalidation in one API design.Paid
    4. 20 · Redis Caching Project: Test and Measure API PerformanceComplete a Redis-backed API project and validate correctness, failure behavior, and performance claims.Paid