Book Image

Elevating React Web Development with Gatsby

Book Image

Elevating React Web Development with Gatsby

Overview of this book

Gatsby is a powerful React static site generator that enables you to create lightning-fast web experiences. With the latest version of Gatsby, you can combine your static content with server-side rendered and deferred static content to create a fully rounded application. Elevating React Web Development with Gatsby provides a comprehensive introduction for anyone new to GatsbyJS and will help you get up to speed in no time. Complete with hands-on tutorials and projects, this easy-to-follow guide starts by teaching you the core concepts of GatsbyJS. You'll then discover how to build performant, accessible, and scalable websites with the GatsbyJS framework. Once you've worked through the practical projects in the book, you'll be able to build anything from a personal website to large-scale applications with authentication and make your site rise through those SEO rankings. By the end of this Gatsby development book, you'll be well-versed in every aspect of the tool's performance and accessibility and have learned how to build client websites that your users will love.
Table of Contents (18 chapters)
1
Part 1: Getting Started
7
Part 2: Going Live
12
Part 3: Advanced Concepts

Socket.io in action

In this demo, we will make a server that accepts a socket connection. When it receives a message from the client, it will log it to the console. Let's start by creating the server and then move on to the client:

  1. Create a folder called server in your root directory.
  2. Open a terminal in the server folder and run the following command:
    npm init -y

    This will set up an empty npm package in the folder.

  3. In the same terminal, run the following command:
    npm i express socket.io

    Here, we are installing the express dependency for creating our server and the socket.io library.

  4. Create an app.js file in the server folder and add the following code:
    const PORT = 3000
    const express = require("express");
    const server = express()
      .listen(PORT, () => console.log('Listening on
        ${PORT}'));

    This creates a minimal Express server that listens for requests on port 3000. As we have already learned, this socket connection is established with...