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Build a Custom Rate Limiter in Node.js with Redis

Tutorial April 04, 2025 

REDIS_URL=redis://localhost:6379
// redisClient.js
const redis = require("redis");

const client = redis.createClient({ url: process.env.REDIS_URL });

client.on("error", (err) => console.error("Redis error:", err));
client.connect();

module.exports = client;

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