docker-compose.yml

version: '3.7'

services:
  kafka:
    image: confluentinc/cp-kafka:5.5.0
    container_name: kafka
    hostname: kafka
    restart: always
    environment:
      KAFKA_LISTENERS: LISTENER_DOCKER_INTERNAL://:29092,LISTENER_DOCKER_EXTERNAL://:9092
      KAFKA_ADVERTISED_LISTENERS: LISTENER_DOCKER_INTERNAL://kafka:29092,LISTENER_DOCKER_EXTERNAL://localhost:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_DOCKER_INTERNAL:PLAINTEXT,LISTENER_DOCKER_EXTERNAL:PLAINTEXT
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_DOCKER_INTERNAL
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
    ports:
      - 9092:9092
      - 9999:9999
    depends_on:
      - zookeeper

  zookeeper:
    container_name: zookeeper
    hostname: zookeeper
    image: confluentinc/cp-zookeeper:5.5.0
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
    ports:
      - 2181:2181

  schema-registry:
    image: confluentinc/cp-schema-registry:5.5.0
    hostname: schema-registry
    container_name: schema-registry
    restart: always
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: "kafka:29092"
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_LISTENERS: "http://0.0.0.0:8081"
    ports:
      - 8081:8081
    depends_on:
      - zookeeper