...

• You can rename one of the files to logback.xml
• You can define the logback config in the product files.
  

To enable other logging levels in docker

use JAVA_TOOL_OPTIONS in the enviroment part, e.g.:

  standalone01:
    image: odysseusol/odysseus:dev-latest
    stdin_open: true
    restart: always
    ports:
        - 18888:8888
    environment:
       - JAVA_TOOL_OPTIONS=-Dlogback.configurationFile=logback.debug.xml
    volumes:
       - ./standalone01:/var/lib/odysseus

Remark: The choices are the same as above. 

Further Error Messages

Add the following file to you working directory of Odysseus to see further error messages. If you run inside eclipse, this file needs to be in the start folder of eclipse.

...