Unify configuration for JAVA and Go servers.

- Currently, the server configuration parameters differ slightly for both the implementations. Make them consistent and update the required docker files and documentation.
- Unify configuration for flags and description in server and reference apps

Start by comparing the configuration flags and descriptions in the Java and Go servers and reference apps. Review the required Docker files and existing documentation, then define done as consistent parameters, flags, and descriptions across both implementations, with matching Docker configuration and updated documentation.

Written by the indexing model from the issue text.