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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:

Run in Insomnia}

Overall Architecture

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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.