Getting Started: Prerequisites

• Java 8 (OpenJDK or Oracle JDK)
• Docker for Windows or Linux

Technology Stack

• Spring Boot
• Docker, Docker compose
• Swagger
• Lombok
• H2 - JPA
• Kafka
• Saga model used for data consistency between services in a microservice architecture

Overview

Application & modules	Port
Kafka	9092
Zookeeper	2181
cloud-config-server	9091
cloud-gateway	9090
customer-service	9192
order-service	9191

Run the application using Docker Compose

The main folder of this repository contains a functional docker-compose.yml file. Run the application using it as shown below:

$ mvn clean package -DskipTests
$ docker-compose build
$ docker-compose up -d

Example Request

POST- http://localhost:9090/customer/saveCustomer
BODY: {
        "name":"TestUser1",
        "creditLimit": 150,
        "creditReservation": 0
       }

POST- http://localhost:9090/order/saveOrder
BODY: {
          "customerId":1,
          "amount":50
      }

GET- http://localhost:9090/customer/getCustomerById/1

GET- http://localhost:9090/order/getOrderById/1

Run the application on your local machine

The main folder of this repository contains a functional docker-compose-local-kafka.yml file. Run the kafka using it as shown below:

$ docker-compose -f docker-compose-local-kafka.yml up -d

Then start applications from IDE

Swagger

• order: http://localhost:9191/swagger-ui.html
• customer: http://localhost:9192/swagger-ui.html

h2 Database

• order: http://localhost:9191/h2-console
• customer: http://localhost:9192/h2-console

spring.datasource.url = jdbc:h2:mem:testdb
spring.datasource.driverClassName= org.h2.Driver
spring.datasource.username = sa				
spring.datasource.password =