Script to backup application and database in linux

#!/bin/sh
TIME=`date +%y%m%d`
FILENAME=$TIME-folderapps-site.tar.gz
SRCDIR=/data/folderapps
DESDIR=/data/backup/
tar -zcvf $DESDIR/$FILENAME $SRCDIR
#tar -zcvf /data/backup/ $TIME-folderapps-site.tar.gz data/folderapps

FILENAME1=$TIME-database_apps26.sql
mysqldump -h172.15.100.22 -udb_admin -pP@ssW0rD --default-character-set=utf8 database_apps26 > $FILENAME1
#backup database