getFromRedis.js

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

redis.get("page:home").then(cacheData => {
  if (cacheData) {
    console.log(JSON.parse(cacheData));
  } else {
    // Fetch data from database
    const data = await fetchDataFromDb();
    // set cache data for page
    redis.set("page:home", JSON.stringify(data));
  }
});