docker-compose with Kafka and Zookeeper

docker-compose.yml

version: '2'

networks:
  kafka:
    driver: bridge

services:
  zookeeper-1:
    image: confluentinc/cp-zookeeper:latest
    hostname: zookeeper-1
    container_name: zookeeper-1
    networks: 
      - kafka
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_SERVER_ID: 1
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_INIT_LIMIT: 5
      ZOOKEEPER_SYNC_LIMIT: 2
      ZOOKEEPER_SERVERS: zookeeper-1:2188:3888

  kafka-1:
    image: confluentinc/cp-kafka:latest
    hostname: kafka-1
    container_name: kafka-1
    networks: 
      - kafka
    depends_on:
      - zookeeper-1
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT_HOST://localhost:19092,PLAINTEXT://kafka-1:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1