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Description

This demo ships 3 Java web-based applications to demonstrate a very simple distributed applications usage and how the Bithon monitors these applications.

Following chart shows the topo of these 3 applications.

flowchart LR
    account-client --GRPC--> account-service --http--> gateway --http--> user-service
    user-client --http--> gateway --http--> user-service
    user-service --jedis/lettuce--> redis
    user-service --produce--> Kafka --consume--> user-service
    user-service ---> H2
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  • gateway

    A Spring Gateway based application which reverse proxy all requests to user-service application.

  • user-service

    A backend Spring Boot web application based on tomcat webserver which provides some APIs for external applications.

  • user-client

    A client application that calls the APIs provided by user-service via gateway.

  • account-client

    A gRPC client application that periodically send request to gRPC server which is hosted by account-service.

  • account-service

    A gRPC server application that calls API implemented by user-service to simulate a complicated server call.

Run this demo

This demo ships all services in a docker-compose, so you need a docker environment to build and run this demo.

Build

sh docker/build-docker-images.sh

Run

sh docker/start-docker-compose.sh

NOTE:

  1. If you find that there's an error saying docker-compose: command not found when executing above command, you need to follow the Docker official site to install docker-compose on your environment.
  2. For running this demo on Mac M1, make sure this setting Use Docker Compose V2 is enabled in the preference of Docker Desktop.

Check the monitoring

After the docker-compose starts up, please visit http://localhost:9897/web/home to view the monitoring.