Build your own Redis server

Short summary

Build a working Redis server in ~80 lines of Python that talks to the real redis-cli using the RESP protocol. Covers command dispatch with a simple dictionary, key expiration, and two persistence strategies: RDB snapshots and AOF write logging. A clear walkthrough of how Redis's simplicity—an in-memory hash map over a socket—is its core strength.

• •Implement a working Redis clone in ~80 lines of Python using the RESP wire protocol
• •Covers RDB snapshots (point-in-time backups) and AOF logging (write replay) for persistence
• •Demonstrates core system design concepts: lazy expiration, socket programming, and protocol design

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