docker-compose.yml

version: '3.4'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:4.1.0
    hostname: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
    healthcheck:
      test: ["CMD", "bash", "-c", "echo ruok | nc localhost 2181 | grep imok"]
      start_period: 30s

  kafka-1:
    image: confluentinc/cp-kafka:4.1.0
    hostname: kafka-1
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-1:9092
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
    healthcheck:
      test: ["CMD", "nc", "127.0.0.1", "9092"]
      start_period: 30s

  kafka-2:
    image: confluentinc/cp-kafka:4.1.0
    hostname: kafka-2
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-2:9092
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
    healthcheck:
      test: ["CMD", "nc", "127.0.0.1", "9092"]
      start_period: 30s

  kafka-3:
    image: confluentinc/cp-kafka:4.1.0
    hostname: kafka-3
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-3:9092
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
    healthcheck:
      test: ["CMD", "nc", "127.0.0.1", "9092"]
      start_period: 30s

  ksql-server:
    image: confluentinc/ksql-cli:0.5
    hostname: ksql-server
    depends_on:
      - kafka-1
      - kafka-2
      - kafka-3
    volumes:
      - ./ksqlserver.properties:/etc/ksql/ksqlserver.properties
    ports:
      - "8088:8088"
    command: "ksql-server-start /etc/ksql/ksqlserver.properties"
    environment:
      KSQL_CONFIG_DIR: "/etc/ksql"
      KSQL_LOG4J_OPTS: "-Dlog4j.configuration=file:/etc/ksql/log4j-rolling.properties"

  ksql-cli:
    image: confluentinc/ksql-cli:0.5
    hostname: ksql-cli
    depends_on:
      - ksql-server
    command: "perl -e 'while(1){ sleep 99999 }'"
    environment:
      KSQL_CONFIG_DIR: "/etc/ksql"
      KSQL_LOG4J_OPTS: "-Dlog4j.configuration=file:/etc/ksql/log4j-rolling.properties"