In this section of the chapter, we will set up a Node and Express development environment, and show how to build the simplest web server with just a few lines of code. We will then discuss routes, and show how to split up our code base into modules for ease of maintenance and readability. Finally, we will discuss how to set configuration parameters for a Node application.
mkdir node-express-app cd node-express-app npm init npm install express npm install @types/express --save-dev
Here, we have created a directory named
node-express-app, changed into this directory, and then initialized a Node environment. We then install the
express module using
npm, and install the TypeScript declaration files for Express, as in
@types/express. We will also need...