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7/14/2026
How I Built a Distributed API Gateway with Rate Limiting, BullMQ Queues, and Real-Time Analytics — From Scratch

How I Built a Distributed API Gateway with Rate Limiting, BullMQ Queues, and Real-Time Analytics — From Scratch

Short summary

A CS undergrad shares a from-scratch build of a production-grade distributed API gateway using Node.js, Express, Redis, BullMQ, and Socket.io. The gateway handles reverse proxy routing, JWT auth, Redis-based rate limiting, async analytics logging, and a real-time React dashboard. The post includes architecture diagrams, a phased build walkthrough, and a GitHub repo for the full source code.

  • •Built a distributed API gateway with reverse proxy, JWT auth, Redis rate limiting, and BullMQ async logging
  • •Real-time analytics dashboard via Socket.io with live charts for request metrics
  • •Full source code on GitHub with phased build walkthrough and architecture diagram

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