Telemedicine Producer

How to run in local

1. Setup VS Code or any IDE with the root directory of the project having package.json file
2. Run npm install from root directory
3. Run node kafka_producer.js to start the server
4. Now server is up and running

How to test Kafka Producer in local

1. Run docker-compose -f docker-compose-kafka.yml up -d from root directory of the project
2. Login to kafka docker container from Docker Desktop or using docker exec -it <container> /bin/sh command
3. Run cd /opt/bitnami/kafka/bin
4. Create a topic via command: kafka-topics.sh --create --zookeeper zookeeper:2181 --replication-factor <replication factor> --partitions <partition count> --topic <topic name>
5. Validate topic creation via command kafka-topics.sh --list --zookeeper zookeeper:2181
6. Kafka setup has completed successfully
7. Update $.kafka.host = localhost:9092 in config/default.json file
8. Run node kafka_producer.js to start the server
9. Now invoke relevant APIs using Chrome or PostMan to test the message publishing to Kafka
10. To consume messages published to Kafka, modify kafka_test_consumer.js with relevant topic name and partition details
11. Run node kafka_test_consumer.js

Make sure that port 2181, 9092 is available on your machine as they are being used by Zookeeper and Kafka.