app/templates/mysql_setup.j2

#!/bin/bash
# MySQL setup script

sudo apt-get update
sudo apt-get install -y mysql-server

# Secure installation
sudo mysql_secure_installation

# Create database and user
sudo mysql -u root <<EOF
CREATE DATABASE mydb;
CREATE USER 'myuser'@'localhost' IDENTIFIED BY 'mypassword';
GRANT ALL PRIVILEGES ON mydb.* TO 'myuser'@'localhost';
FLUSH PRIVILEGES;
EOF