PlexPy or Stat system for PMS on Syno?

Hi,

I m trying since 1 week to setup PlexPy on my Nas Syno.
I use the 5.2 DSM vesrion on my Syno.

I can t find a good tuto to know how to install and run Plexpy.

I Install python, and docker, download and run PlexPy from docker, setup the port on my routeur. But nothing happen, When I try to go on plexpy by Safari http://192.168.1.132:8282 , nothing appear.

Someone could help me ? or maybe give me another solution to see the Plex Stat?

Thanks!