Simplest Express Server

Simplest-Express-Server.md

1. Make a directory
2. Change into the directory
3. Create a file called index.js
4. Install the Express package with npm install express
5. Copy and paste the Express Server Code
6. Run your server with node index.js
7. Look at what's being served up at localhost:3000
8. Make a change to serve JSON instead of text

change app.get('/', (req, res) => res.send('Hello World!')) to

app.get('/', (req, res) => res.json({message: 'Hello World!'}))