Demo for CQRS with Spring Boot, Apache Kafka and Mongo

The main propose of this project is test CQRS with Event Sourcing.

Starting 🚀

Requirements 📋

To install and run this project you may be installes next requirements:

jdk8
maven
docker and docker-compose

Installation 🔧

To generate jar files run the following command in root path:

mvn clean package

Wait a minute, when you see all containers running yo can launch the Spring Boot microservices:

Microservice for command

Run the following command:

java -jar demo-command/target/demo-command-0.0.1-SNAPSHOT.jar.original

Microservice for query

In other terminal run the following command:

java -jar demo-query/target/demo-query-0.0.1-SNAPSHOT.jar.original

Next step is download images of Apache Kafka, Zoookeper and Mongo.

docker-compose up -d

Running project ⚙️

Once all microservice started you can test this serive using the command endpoint and service endpoint. I show you one example for POST and GET http rest requests with curl command:

curl --location --request POST 'localhost:8081/phone' \
--header 'Content-Type: application/json' \
--data-raw '{
    "name": "iphone11",
    "model": "11",
    "color": "red",
    "price": 800.99
}'

curl --location --request GET 'localhost:8082/phone/iphone08'