Synology NAS DSM7 and Logitech Media Server 8.1 with add-on package Docker

A guide in English on how to install ^*LMS v8.1.1 on your Synology NAS with ^*DSM 7 if your Synology NAS supports add-on package
Docker for virtualization.

^*LMS = Logitech Media Server version 8.1.1

^*DSM 7 = Disk Station Manager 7

^*NAS = Network Attached Storage