Short guides describing how to prepare a baseline installation Linux distribution on a virtual machine to host a Flask web application which interacts with a PostgreSQL database using SQLAlchemy.

Recommended Steps

1. Disable root login via SSH and prepare a user account with sudo privileges.

2. Configure the uncomplicated firewall and change the SSH port.

3. Update all currently installed packages.

4. Install and configure PostgreSQL to work with SQLAlchemy.

5. Install git and clone a repository.

6. Install Apache and configure it to serve a Flask app.

7. Monitor for repeat unsuccessful login attempts and ban attackers.