Congratulation, you have just installed My Webapp.
Coucou internet
First way to edit this site is by putting your files in /var/www/my_webapp__5/www using SSH/SCP.
Alternatively you can achieve the same thing using SFTP. To do so, you can use a client application such as FileZilla. Here are the SFTP connection details:
As a reward, here is a random cat picture: