Start message bus and game-events topic

• reference: Kafka quick start

1. Open terminal window and start the zookeeper service

cd ~/kafka/kafka_2.13-2.7.0/
bin/zookeeper-server-start.sh config/zookeeper.properties

2. In a new terminal tab, start the broker service

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

3. In a new terminal tab, create a game-events topic and publish event messages

bin/kafka-topics.sh --create --topic game-events --bootstrap-server localhost:9092  

4. Publish event messages

bin/kafka-console-producer.sh --topic game-events --bootstrap-server localhost:9092

5. Add event messages at prompt

Sample event messages

• BeginTeamCompetition

  {"BeginTeamCompetition": {"home_team_id": 1, "away_team_id": 2, "venue_id": 1}}