#!/bin/bash
# Database credentials
# Getting username and password from .my.cnf
# [mysqldump]
# password=PASSWORD
# user=USERNAME
host="localhost"
db_name="NAME"

# Other options
backup_path="/path/to/backups"
date=$(date +"%Y-%m-%d")

# Set default file permissions
umask 177

# Dump database into gzipped SQL file
mysqldump --host=$host $db_name | gzip > $backup_path/$db_name-$date.sql.gz

# Delete files older than 30 days
find $backup_path/* -name *.sql.gz -mtime +30 -exec rm {} \;