lock.js

const Redis = require("ioredis");
const redis = new Redis();

// Acquire lock
const lock = await redis.set("lock:resource", "locked", "EX", 10, "NX");

if (lock === "OK") {
    // Do something with the resource
    console.log("Lock acquired");
    // Release lock
    await redis.del("lock:resource");
} else {
    console.log("Lock not acquired");
}