An approach to communication between microservices based on WebSocket / Stomp

Used technology

• Spring Boot 2.3.5 / Apache Maven 3.6.3.
• Spring Boot Starter Web.
• Spring Boot Starter Reactor Netty.
• Springdoc OpenApi UI.
• Mapstruct.
• Lombok.
• Spring Boot Starter Websocket.
• Spring Messaging.
• Spring Boot Starter Data MongoDB.

Running Applications as Docker containers.

Rake Tasks

The available tasks are detailed below (rake --task)

Task	Description
check_deployment_file_task	Check Deployment File
check_docker_task	Check Docker and Docker Compose Task
cleaning_environment_task	Cleaning Evironment Task
deploy	Deploys the Websocket STOMP architecture and laun...
login	Authenticating with existing credentials
start	Start Containers
status	Status Containers
stop	Stop Containers
undeploy	UnDeploy Websocket STOMP architecture

To start the platform make sure you have Ruby installed, go to the root directory of the project and run the rake deploy task, this task will carry out a series of preliminary checks, discard images and volumes that are no longer necessary and also proceed to download all the images and the initialization of the containers.

Containers Ports

In this table you can view the ports assigned to each service to access to the Web tools or something else you can use to monitoring the flow.

Container	Port
MongoDB Express	localhost:8082
Rabbit MQ - Stomp Dashboard	localhost:8081
Microservice Producer OpenAPI Swagger	localhost:8088

Some screenshots

As follow, I include some images that help us to understand the performance of each part of system