Docker Mercure deploy production in PLesk not working (ionos Plesk Obsidian )

  docker, ionos, mercure, symfony

I have an issue only on plesk and not in local with mercure(

Mercure confiugration

add proxy to use the mercure on a subdomaine

when i go to my link configured with the proxy i see: Client sent an HTTP request to an HTTPS server.

and not any mercure message.

Thank you in advance for your help!

NB: all my work working in localhost:3001 with
this command : ./mercure –jwt-key=’!ChangeMe!’ –addr=’localhost:3001′ –allow-anonymous –cors-allowed-origins=’*’

Source: Symfony Questions