docker-compose.yml

---
version: '2'

services:

  broker:
    image: apache/kafka:${KAFKA_VERSION}
    hostname: broker
    container_name: broker
    ports:
      - "9092:9092"
      - "9093:9093"
    volumes:
      - ./src/main/resources/assignment.json:/tmp/assignment.json
    environment:
      KAFKA_NODE_ID: 1
      KAFKA_BROKER_RACK: "dc1"
      KAFKA_REPLICA_SELECTOR_CLASS: org.apache.kafka.common.replica.RackAwareReplicaSelector
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
      KAFKA_LISTENERS: PLAINTEXT://broker:9092,CONTROLLER://broker:9093
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:9092
      KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
      KAFKA_CONTROLLER_QUORUM_VOTERS: '1@broker:9093,2@broker2:9083,3@broker3:9073'
      KAFKA_PROCESS_ROLES: 'broker,controller'
      KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 2
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 3
      KAFKA_TOOLS_LOG4J_LOGLEVEL: ERROR
      CLUSTER_ID: 'QTnB2tAgTWa1ec5wYon2jg'

  broker2:
    image: apache/kafka:${KAFKA_VERSION}
    hostname: broker2
    container_name: broker2
    ports:
      - "9082:9082"
      - "9083:9083"
    environment:
      KAFKA_NODE_ID: 2
      KAFKA_BROKER_RACK: "dc2"
      KAFKA_REPLICA_SELECTOR_CLASS: org.apache.kafka.common.replica.RackAwareReplicaSelector
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
      KAFKA_LISTENERS: PLAINTEXT://broker2:9082,CONTROLLER://broker2:9083
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker2:9082
      KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
      KAFKA_CONTROLLER_QUORUM_VOTERS: '1@broker:9093,2@broker2:9083,3@broker3:9073'
      KAFKA_PROCESS_ROLES: 'broker,controller'
      KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 2
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 3
      KAFKA_TOOLS_LOG4J_LOGLEVEL: ERROR
      CLUSTER_ID: 'QTnB2tAgTWa1ec5wYon2jg'

  broker3:
    image: apache/kafka:${KAFKA_VERSION}
    hostname: broker3
    container_name: broker3
    ports:
      - "9072:9072"
      - "9073:9073"
    environment:
      KAFKA_NODE_ID: 3
      KAFKA_BROKER_RACK: "dc3"
      KAFKA_REPLICA_SELECTOR_CLASS: org.apache.kafka.common.replica.RackAwareReplicaSelector
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
      KAFKA_LISTENERS: PLAINTEXT://broker3:9072,CONTROLLER://broker3:9073
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker3:9072
      KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
      KAFKA_CONTROLLER_QUORUM_VOTERS: '1@broker:9093,2@broker2:9083,3@broker3:9073'
      KAFKA_PROCESS_ROLES: 'broker,controller'
      KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 2
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 3
      KAFKA_TOOLS_LOG4J_LOGLEVEL: ERROR
      CLUSTER_ID: 'QTnB2tAgTWa1ec5wYon2jg'