Spring Boot REST and JPA example

Getting Started

Initial project template using using Spring Initializr

Dependencies selected are:

• Spring Web: For REST endpoints
• Spring Data JPA: To persist data in SQL stores
• H2 Database: Embedded In-memory database for test
• Spring Boot Actuator: For monitoring metrics endpoints
• Spring Security: For authentication and authorization. Security was disabled in this project
• Spring Boot Devtools: For live application reloads
• Lombok: To reduce boilerplate code
• Other dependencies:
  • Swagger UI: To publish API documents

  <dependency>
       <groupId>io.springfox</groupId>
       <artifactId>springfox-swagger2</artifactId>
       <version>${swagger.version}</version>
  </dependency>
  <dependency>
       <groupId>io.springfox</groupId>
       <artifactId>springfox-swagger-ui</artifactId>
       <version>${swagger.version}</version>
  </dependency>
  

Code base

• SpringBootRestJpaApplication.java: Auto-generated Spring Boot starter
• ApplicationSecurity.java: To disable spring security
• SwaggerConfig.java: To configure Swagger

Build

cd spring-boot-rest-jpa
mvn clean install

Deploy to PCF foundation

# Login
cf login -a https://api.API-DOMAIN \
  -u admin -p <password> \
  --skip-ssl-validation \
  -o playground -s apps

# Deploy application using manifest
cf push --vars-file vars-dev.yml

Launch Swagger UI

https://boot-app-a.APP-DOMAIN/swagger-ui.html

Test

# Create an employee
curl -X POST "https://boot-app-a.APP-DOMAIN/employees/create" \
  -H "accept: */*" -H "Content-Type: application/json" \
  -d "{ \"age\": 25, \"department\": \"Information Technology\", \"name\": \"Mohan Jo Daro\"}" -k

# Response Body
{
  "age": 25,
  "department": "Information Technology",
  "name": "Mohan Jo Daro"
}

# Get all employees
curl -X GET "https://boot-app-a.APP-DOMAIN/employees/" -H "accept: */*" -k

# Response Body
[
  {
    "id": 1,
    "name": "Mohan Jo Daro",
    "age": 25,
    "department": "Information Technology"
  },
  {
    "id": 2,
    "name": "H R Appa",
    "age": 27,
    "department": "Information Technology"
  }
]