After update I get a 502 Bad Gateway even if nothing else changed!

Description

Simply updated my Rocketchat from 6.2.10 to 6.4.2, now I get a 502 Bad Gateway.

Server Setup Information

  • Version of Rocket.Chat Server: 6.2.10 to 6.4.2
  • Operating System: Debian
  • Deployment Method: tar
  • Number of Running Instances: 1
  • DB Replicaset Oplog: ??
  • NodeJS Version: 14.21.3
  • MongoDB Version: 4.4
  • Proxy: nginx
  • Firewalls involved: none (I think ?)

Any additional Information

  • I am not sure that the rocketchat.service is running properly even if it says “active”.
  • netstat -pantu | grep 3000 give me nothing