event-driven-microservices-Order-Processing

How to run apache kafka server

Step 1: Get Kafka

• follow instructions here https://kafka.apache.org/quickstart
• download https://www.apache.org/dyn/closer.cgi?path=/kafka/3.4.0/kafka_2.13-3.4.0.tgz

cd kafka_2.13-3.4.0

Step 2: Start Kafka Environment

• Start the ZooKeeper service

$ bin/zookeeper-server-start.sh config/zookeeper.properties

• Start the Kafka broker service

$ bin/kafka-server-start.sh config/server.properties

How app works?

• clone project into local directory

  git clone git@github.com:omgshalihin/event-driven-microservices-springboot-kafka.git
  

• within emailService > kafka > OrderConsumer.java class, replace fromEmail & toEmail
• then run all 3 microservices (order, stock, email)
• make a POST request to http://localhost:8081/api/orders or any port
• with body e.g. { "name": "test name", "qty": 1, "price": 5500 }