README.md

Sample CDC balance

CDC Sample with Spring Cloud Stream CDC Debezium (Embedded), and dockerized Apache Kafka, Apache Zookeeper and SQL Server.

*** This project is in progress. ***

To know about CDC: https://en.wikipedia.org/wiki/Change_data_capture

Related technologies:

• Kotlin: https://kotlinlang.org/docs/reference/
• Debezium (Embedded): https://debezium.io/documentation/reference/1.0/architecture.html#_embedded_engine
• Docker: https://www.docker.com/resources/what-container
• Apache Kafka: https://kafka.apache.org/intro
• Zookeeper: https://zookeeper.apache.org/

What's Here

This sample includes:

• branch master - Common Spring Boot application with servlet container.

• README.md - this file

• docker-compose.yml - this file is used by Docker Compose (https://docs.docker.com/compose/) to running Kafka, Zookeeper and SQL Server

• cdc-balance - this directory contains your CDC source files

• balance-api - this directory contains your Balance API to change the database

• db-init - this directory contains the scripts to create the SQL Server database and tables to run this CDC example

Getting Started

To work on the sample code, you'll need to clone project's repository to your local computer. If you haven't, do that first.

1. Install maven. See https://maven.apache.org/install.html for details.

2. Install Docker (to run Kafka, Zookeeper and SQL Server). See https://docs.docker.com/install/

3. Build the services.

    $ cd sample-cdc-balance/cdc-balance
    $ mvn clean install
    
    $ cd sample-cdc-balance/balance-api
    $ mvn clean install
   

4. Run the Docker Compose.

    $ docker-compose up -d
   

5. Run the CDC Balance project

    $ cd cdc-balance 
    $ mvn spring-boot:run 
   

6. Run the Balance API

    $ cd balance-api
    $ mvn spring-boot:run 
   

...