Kafka Publisher

Publishes shopping cart events(simulated fake messages) onto Kafka

To Install Dependencies

yarn install

Note: To install yarn globally:

npm install yarn --global

To Build

yarn run build

To Run

yarn run start

To Test

yarn build followed by `yarn test` to execute the unit tests via [Mocha](https://www.npmjs.com/package/mocha) with coverage [nyc](https://www.npmjs.com/package/nyc).

Areas of demonstration

• Understanding of Kafka on general
• Publish messages on to Kafka
• docker setup and use with ease
• Building NodeJS worker/task runner design pattern for processing long running tasks
• Test cases for quality check

TODO

• Introduce AVRO for serialization
• Introduce publishing key to control the partition the message needs to land

Local setup using Docker:

Prerequisite - Install Docker

 Windows: https://docs.docker.com/docker-for-windows/
 Mac: https://docs.docker.com/docker-for-mac/install/  

Once you have installed docker

Run docker -v to confirm docker is running

docker-compose up to start all the docker images required for setup

Developer Notes

To see the messages reaching kafka

docker exec -it  <container_name>  kafka-console-consumer --bootstrap-server localhost:9092 --topic shopping-cart-events --from-beginning ```