Environment Variables

This is a placeholder for a future summary of all environment variables used by the environment, including those only used for debugging purposes. For now I'm just using it as a place to dump the following information:

Message Broker Debug Logging

On Windows and Linux, the Message Broker application's logging level can be set via the environment variable IOX2_LOG_LEVEL. Valid values are trace, debug, info, warning, error, and fatal. If not set, the logging level defaults to error.