1. Problem statement & solution approach - https://vijayredkar.medium.com/event-driven-saga-compensation-95af562d39c5

2. Architecture diagram - !!

3. Local Kafka setup

   • download and install - https://www.tutorialspoint.com/apache_kafka/apache_kafka_installation_steps.htm
   • Zookeeper start cmd - <Kafka_install_dir>\bin\windows\zookeeper-server-start.bat <Kafka_install_dir>\config\zookeeper.properties
   • Kafka-server start cmd - <Kafka_install_dir>\bin\windows\kafka-server-start.bat <Kafka_install_dir>\config\server.properties

4. Launch microservices

   • git clone in to your
     • <project_dir> - https://github.com/vijayredkar/event-driven-platform-with-saga.git

   core services

   • entity-mgt launch
     • cd <project_dir>\event-driven-platform-with-saga\banknext\entity-management > mvn spring-boot:run
   • customer-mgt launch
     • cd <project_dir>\event-driven-platform-with-saga\banknext\customer-management > mvn spring-boot:run
   • account-mgt launch
     • cd <project_dir>\event-driven-platform-with-saga\banknext\account-management > mvn spring-boot:run
   • entity-aggregation
     • cd <project_dir>\event-driven-platform-with-saga\banknext\entity-aggregation > mvn spring-boot:run

   prechecks services

   • screening-svc launch
     • cd <project_dir>\event-driven-platform-with-saga\banknext\prechecks\screening-svc > mvn spring-boot:run
   • deduplication-svc launch
     • cd <project_dir>\event-driven-platform-with-saga\banknext\prechecks\deduplication-svc > mvn spring-boot:run

   supporting services

   • monitoring-mgt launch
     • cd <project_dir>\event-driven-platform-with-saga\banknext\supporting\monitoring-svc > mvn spring-boot:run
   • notification-mgt launch
     • cd <project_dir>\event-driven-platform-with-saga\banknext\supporting\notification-svc > mvn spring-boot:run
   • recommendation-mgt launch
     • cd <project_dir>\event-driven-platform-with-saga\banknext\supporting\recommendation-svc > mvn spring-boot:run

5. Sample test cURLs for simulation

   • <project_dir>\event-driven-platform-with-saga\banknext/test-docs/1-cURL-event-initiator-flow-NoRollback-Reqd.txt
   • <project_dir>\event-driven-platform-with-saga\banknext/test-docs/2-cURL-event-initiator-SAGA-AcctFail-CustRollback-Reqd.txt
   • <project_dir>\event-driven-platform-with-saga\banknext/test-docs/3-cURL-event-initiator-SAGA-AggrFail-CustAcctRollback-Reqd.txt