Cloudron is a complete solution for running apps on your server and keeping them up-to-date and secure.

1. First install Cloudron on your server with 3 simple commands - https://cloudron.io/get.html
2. Install Etherpad from the Cloudron Store. Once installed, you will get automatic updates for Etherpad as and when they get released.

Cloudron's etherpad package is integrated with LDAP. There is also a special interface to list and search documents.

The source code for the package can be found here.

You can also test the etherpad installation on the demo Cloudron instance - https://my.demo.cloudron.io (username: cloudron password: cloudron).