Advanced Node.js Development

Configuring the Express application

Now, to get started, we're going to need to install Express. We've already done that in the past, so over in the Terminal all we need to do is run  npm i followed by the module name, which is express. We'll be using the most recent version, 4.16.2.

We're also going to be installing a second module, and we can actually type that right after the first one. There's no need to run npm install twice. This one is called the body-parser. The body-parser is going to let us send JSON to the server. The server can then take that JSON and do something with it. body-parser essentially parses the body. It takes that string body and turns it into a JavaScript object. Now, with body-parser, we're going to be installing ...