For instruction, please visit:

Spring Boot PostgreSQL with Maven example using Spring Data JPA

Front-end that works well with this Back-end

Angular 8 Client / Angular 10 Client / Angular 11 Client / Angular 12 Client / Angular 13 Client / Angular 14 Client

Vue 2 Client / Vue 3 Client / Vuetify Client

React Client / React Redux Client

More practice:

Spring Boot Pagination & Filter example | Spring JPA, Pageable

Spring Data JPA Sort/Order by multiple Columns | Spring Boot

Spring Boot Repository Unit Test with @DataJpaTest

Deploy Spring Boot App on AWS – Elastic Beanstalk

Security:

Spring Boot, Spring Security, PostgreSQL: JWT Authentication & Authorization example

Fullstack:

Vue.js + Spring Boot + MySQL/PostgreSQL example

Angular 10 + Spring Boot + PostgreSQL example

Angular 11 + Spring Boot + PostgreSQL example

Angular 12 + Spring Boot + PostgreSQL example

Angular 13 + Spring Boot + PostgreSQL example

Angular 14 + Spring Boot + PostgreSQL example

React + Spring Boot + PostgreSQL example

Run both Back-end & Front-end in one place:

Integrate Angular with Spring Boot Rest API

Integrate React.js with Spring Boot Rest API

Integrate Vue.js with Spring Boot Rest API

mvn spring-boot:run