Simple Payment System

Showing Alvaro best practices.
This is my code following PicPay chalenge guidelines.

Project Structure Fundamentals

Here I follow the hexagonal-architecture.
To follow it and keep our domain secure from external behaviour:

About Domain

• Entities contains the entity data.
• Entities DOES NOTHING.
• Services modifies Entities.
• Services HAVE NO data.

About outsource

• All business logic here should be tested. (like UNIQUE KEYS on DB)

Code Design decision for code isolation and separation of concerns

Firsts entities and services pre-designed

FUll Documentation

Here is the full documentation, with more detailed desired behaviour.

Start up

run

make infra/up/complete