docker-compose.yml

# See dockerhub for different versions of kafka and zookeeper
# https://hub.docker.com/r/wurstmeister/kafka/
# https://hub.docker.com/r/wurstmeister/zookeeper/
version: '2.2'
services:
  zookeeper:
    image: wurstmeister/zookeeper:3.4.6
    ports:
      - "2181:2181"
  kafka:
    scale: ${KAFKA_SCALE:-1}
    image: wurstmeister/kafka:1.1.0
    ports:
      - "9094"
    environment:
      HOSTNAME_COMMAND: "docker info | grep ^Name: | cut -d' ' -f 2"
      PORT_COMMAND: "docker port `hostname` 9094 | cut -d: -f 2"
      KAFKA_ADVERTISED_LISTENERS: INSIDE://:9092,OUTSIDE://_{HOSTNAME_COMMAND}:_{PORT_COMMAND}
      KAFKA_LISTENERS: INSIDE://:9092,OUTSIDE://:9094
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LEADER_IMBALANCE_CHECK_INTERVAL_SECONDS: 1 # default was 300 (5 minutes)
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: ${KAFKA_SCALE:-1}
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock