This app is an example of how you can use ELK within your Node.js Cloud Foundry App.
It allows you to log entries in json format on different loglevels to ELK.
Start the app by push it to Cloud Foundry and bind an ELK service to it.
Example:
$ git clone https://github.com/swisscom/cf-elk-sample.git
$ cd cf-elk-sample
$ cf create-service elk small testelk
$ cf push
Link to ELK service documentation.