Add support for MDC output in logs
@@ -3,7 +3,8 @@ log4j.rootLogger={{ env["CONNECT_LOG4J_ROOT_LOGLEVEL"] | default('INFO') }}, std
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=[%d] %p %m (%c)%n
+log4j.appender.stdout.layout.ConversionPattern ={{ env["CONNECT_LOG4J_APPENDER_STDOUT_LAYOUT_CONVERSIONPATTERN"] | default('[%d] %p %m (%c)%n') }}
+
{% set default_loggers = {
'org.reflections': 'ERROR',
