This directory holds the user photos.

You should create one subdirectory for every school year, and store user pictures in as <user_id>.<random_string>.jpg

Note: The random string makes it impossible to predict the file name so photos cannot be accessed without being logged in.

For example:

2021/
       1.d84cb7b5ffad38b086153f82c1bb27ca.jpg
       2.d5e76d354876d7a137abac5bb19ba5bd.jpg
2022/
       3.3f9509cc43cb8e121f50f2a0ef003fdf.jpg
       4.8302107827639bc1e7411ed52410dc1e.jpg
