Saga Demo

Slides are available at http://bit.ly/sagakafka

To Execute this project, clone the repository, cd into it, and execute:

docker-compose up

You can use the Insominia file to POST a new order to http://localhost:8080/orchestration/order

You can download Insominia from https://insomnia.rest/download/core/

If you have Insominia installed, just click on the button bellow:

Overall Architecture

Services information

The docker-compose file executes the following services

• mongodb - Used to store rooms documents.

  Port: 279017

• mongoexpres - Mongo UI

  Port: 8083

  Available at http://localhost:8083/

• mysql - Used to store order and balance tables.

  Port: 3306

• zookeeper and kafka - Kafka Broker

  Ports: 9092 (Inside docker network) / 19092 (To connect from outside docker network)

• kafkadrop - Kafka Web UI

  Available at http://localhost:9000/

• order - Written in NodeJS/ExpressJS, Receive order requests and process order commands.

  Port: 8080

• booking - Written in Spring Boot, Process reservation requests.

  Port: 8081

• payment - Written in MicroProfile/Helidon, Process payment requests.

  Port: 8082

• orchestrator - Written in Kafka Streams. Coordinate the calls between the Kafka Topics from different services.

  This service doesn't expose any ports.