Can't connect to database with hostname but works with IP

Hi guys, my installation works perfectly on my local virtual box, but fails on VPS. Everything is the same just on VPS I can't connect to database with container hostname. When I use container IP in config file it connects? What can be the issue?

2024-11-05 21:11:16  INFO: Operating system name: Linux version: 4.4.0 architecture: amd64
2024-11-05 21:11:16  INFO: Java runtime name: OpenJDK 64-Bit Server VM vendor: Alpine version: 17.0.12+7-alpine-r0
2024-11-05 21:11:16  INFO: Memory limit heap: 1024mb non-heap: 0mb
2024-11-05 21:11:16  INFO: Character encoding: UTF-8
2024-11-05 21:11:16  INFO: Version: 6.5
2024-11-05 21:11:16  INFO: Starting server...
2024-11-05 21:11:16  INFO: HikariPool-1 - Starting...
2024-11-05 21:11:27 ERROR: Main method error - demodb - UnknownHostException (... < DatabaseModule:80 < <gener:-1 < *:-1 < ... < MainModule:138 < <gener:-1 < ...)
2024-11-05 21:11:29  INFO: Operating system name: Linux version: 4.4.0 architecture: amd64
2024-11-05 21:11:29  INFO: Java runtime name: OpenJDK 64-Bit Server VM vendor: Alpine version: 17.0.12+7-alpine-r0
2024-11-05 21:11:29  INFO: Memory limit heap: 1024mb non-heap: 0mb
2024-11-05 21:11:29  INFO: Character encoding: UTF-8
2024-11-05 21:11:29  INFO: Version: 6.5
2024-11-05 21:11:29  INFO: Starting server...
2024-11-05 21:11:29  INFO: HikariPool-1 - Starting...

How do you expect the hostname to be resolved?

All containers are on the same bridge network it should be through docker native DNS system? It works in my local testing env

It clearly doesn't work. And it doesn't seem to be specific to Traccar. Simply hostname resolution is failing.

Strange, I literally run the same script from scratch in my local env and VPS. Can it be something with VPS provider?

This was VPS hosting issue. Resolved, ty!