Example use of ESI middleware
npm install
node server.js
```
This installs the required node modules and starts a listening server.
To see the included snippet on its own, open [http://localhost:3000/snippet](http://localhost:3000/snippet)
This snippet is included via the following ESI statement
```xml
<esi:include src="http://localhost:3000/snippet"></esi:include>
```
To see that ESI is working, open [http://localhost:3000/](http://localhost:3000/)