Add a note for running within a Docker Container

What does this MR do?

Add a note about exposing the session server if running within a docker container.

Are there points in the code the reviewer needs to double check?

Does this MR meet the acceptance criteria?

• Documentation created/updated
• Added tests for this feature/bug
• In case of conflicts with master - branch was rebased

What are the relevant issue numbers?

Internal ZD

~"support-fix" customer documentation