Dev's Guide: Backend basic concepts

This section explains the basic knowledge required for understanding Judgels codebase on the backend side.

Tech stack

Backends (Jophiel, Sandalphon, Uriel, Sealtiel, Jerahmeel):

• Java 8
• Dropwizard for main REST server app
• MySQL for database
• JPA implemented with Hibernate for ORM
• Caffeine for cache
• Dagger for dependency injection
• Immutables for objects immutability
• Guava for collections