fix for docker

linux-live/minioslib

@@ -14,10 +14,13 @@ function common_variables() {
 	# default is output to log. you can use OUTPUT="/dev/stdout" if you want to route events to standard output.
 	#OUTPUT="/var/log/$LIVEKITNAME.log"
 	OUTPUT="/dev/stdout"
+
 	#
+	if [ -z $container ]; then
+		container = ""
+	fi
 	if [ -f /.dockerenv ] || [ "$container" = "podman" ]; then
 		OUTPUT="/dev/stdout"
-		#CONTAINER="docker"
 	fi
 
 	# if = "1", creates a second iso with a constant filename