Add rolling file appender to log4j properties

src/main/resources/log4j.properties

@@ -1,8 +1,15 @@
 # Root logger option
-log4j.rootLogger=DEBUG, stdout
+log4j.rootLogger=DEBUG, file
 
 # Direct log messages to stdout
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.Target=System.out
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
+
+log4j.appender.file=org.apache.log4j.RollingFileAppender
+log4j.appender.file.File=logFile.log
+log4j.appender.file.MaxFileSize=5MB
+log4j.appender.file.MaxBackupIndex=10
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
+log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n