An implementation of flask app that comes with:
- modular (means it uses blueprint), so this code has very low-cost to maintain
- carefully setting up the database ORM model in order to have the desired relationships (based on ERD graph), such as many to many, one to many, and one to one
- pay very strict attention to human errors, such as implementing triggers in order to address human errors at the server-level
- there is a png file inside /database which is an ERD graph of the implemented database
- I do also provide the old-main file which is the implementation of this project without using framework (not-modular)