docker-compose.yml

version: '2'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:4.1.0
    hostname: zookeeper
    environment:
      SERVICE_NAME: zookeeper
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
      zk_id: "1"
    ports:
      - "2181:2181"

  kafka:
    image: confluentinc/cp-kafka:4.1.0
    hostname: kafka
    links:
      - zookeeper
    ports:
      - "9092:9092"
    environment:
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_ADVERTISED_LISTENERS: "PLAINTEXT://kafka:9092"
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  schema-registry:
    image: confluentinc/cp-schema-registry:4.1.0
    hostname: schema-registry
    links:
      - kafka
      - zookeeper
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL: "zookeeper:2181"
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka:9092"
      SCHEMA_REGISTRY_HOST_NAME: schema-registry