Build me a dockerised nagios application.

Build me a dockerised Nagios application, provide me a demo that it can monitor docker host(Basically a Linux VM on which docker is installed) and another one host. The final outcome deliverable 1. Demo 2. Call out for important configuration files that need to considered to build such application. 3. Detailed instructions that I can execute at my end to achieve described outcome above. 4. Dockerised nagio application is running and collecting basic out of box alert/alarms