this project, implement instance of basic feature,
you maybe want use for App base on Spring-boot

• spring-web
• spring-jpa
  • with custom configuration for PersistenceContext
• Ehcache
  • customize cache config and implement log for cache
• Log4j2
  • logging and config log-message
• Exception management
• MapStruct
  • mapper tools for map view to entity and vice-versa
• Validation handler
  • use annotation for validation
  • use log for validation error
  • define your validation and use for model
• decoupling layer
  • controller, service and repository layer for easy extend

1 - check active profile on dev
2 - run postgre sql on 5432 and create database myapp
3 - run app

1 - check active profile on docker and package project
2 - run docker build command for create app image : docker build -t springapp:latest .
3 - run docker compose run command for running app

1 - use AppException for define your own error Exception
2 - user HttpExceptionModel for define your own error message and show to client
3 - use HttpErrorCode for unifying error code in project

1 - create your own validation type
2 - define your own validation process for entity
3 - use "@validator" annotation on field of entity for validate
4 - log for validation and save error-message in log file