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This tutorial uses Redis as state store for a Nuxt.js application. We simply increment a counter that pulls the data from Redis. See code and demo

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1 Create Nuxt.js Project

Run this in terminal 
yarn create nuxt-app nuxtjs-with-redis

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2 Set up environment variables

Copy the .env.example file in this directory to .env 
cp .env.local.example .env.local
  • REDIS_URL: Copy the url in the database page of the Upstash console
This example uses ioredis, you can copy the connection string from the Node tab in the console.

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3 Server Middleware

We will write a Nuxt middleware which increments a counter in Redis and returns its new value.
api/count.js
import Redis from "ioredis";

export default async function (req, res) {
  const redis = new Redis(process.env.REDIS_URL);
  const count = await redis.incr("counter");
  redis.quit();

  res.setHeader("Content-Type", "application/json");
  res.write(JSON.stringify({ count }));
  res.end();
}
Now we will configure the middleware in nuxt.config.js
nuxt.config.js
export default {
  head: { title: "nuxt-with-redis" },
  buildModules: ["@nuxtjs/tailwindcss"],
  serverMiddleware: [{ path: "/api/count", handler: "~/api/count.js" }],
};

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4 Run

yarn dev
Go to http://localhost:3000/

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Notes:

  • For best performance the application should run in the same region with the Redis database’s region.
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