Tutorials: Restaurant App

Bootstrap Spring Boot and wire it to PostgreSQL the right way.

Model entities, map relations, and apply JPA naming/validation.

Build repositories, navigate associations, and shape DTOs.

CRUD endpoints with validation and layered design.

Staff management with clean service and repository layers.

Table sessions and seating flows with proper boundaries.

Create orders, add items, and handle basic workflows.

Status transitions, serving, and advanced flows.

Aggregations, KPIs, and efficient reporting queries.

Consistent error responses and validation feedback.

Login, tokens, filters, and role-based access.

Containerize the app and automate builds with Jenkins.