Docker deployment scheduled backup data mysql

1. Create a new script, add a script content

we mysql_backup_test_backup.sh 

#!/bin/bash
Mysql # Set the login user name and password (fill in the actual situation)
mysql_user="root"
mysql_password="root"
mysql_host="localhost"
mysql_port="3306"
mysql_charset="utf8mb4"
 
# Backup file storage address (fill in the actual situation)
backup_location=/usr/local
 
# Whether to delete the expired data
expire_backup_delete="ON"
expire_days=7
backup_time=`date +%Y%m%d%H%M`
backup_dir=$backup_location
welcome_msg="Welcome to use MySQL backup tools!"


# Specify the database backup data (here assume that the database is mysql_backup_test)

　docker exec -it mysql mysqldump -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -B test1 > $backup_dir/mysql_backup_test-$backup_time.sql

 
# Delete the expired data
if [ "$expire_backup_delete" == "ON" -a  "$backup_location" != "" ];then
        `find $backup_location/ -type f -mtime +$expire_days | xargs rm -rf`
        echo "Expired backup data delete complete!"
fi

2. Create a scheduled task

# Create a scheduled task command 
crontab -e 
# View scheduled tasks command 
crontab the -l 
# delete all scheduled tasks command 
crontab -r

43 11,23 * * * cd /root/mysql/conf;sh mysql_backup_test_backup.sh >> log.txt 2>>log.txt