This is simple demo for PassSecurityBundle
Website: https://demo-pass-security-bundle.herokuapp.com
If you see a 500 error, reload the page after a few seconds.
First of all you mast clone repository od load code. After that, go to the project directory and run:
composer update
How to install composer: composer
If you work with macOS or Linux/BSD you probably will have problem with file permissions, how to fix this you can read in documentation