docker-compose.yaml

version: '3.5'
services:
  zookeeper:
    image: "confluentinc/cp-zookeeper"
    hostname: zookeeper
    ports:
      - 32181:32181
    environment:
      - ZOOKEEPER_CLIENT_PORT=32181
  kafka:
    # pinned due to https://github.com/confluentinc/kafka-images/issues/127
    image: confluentinc/cp-kafka:7.0.0
    hostname: kafka
    container_name: kafka
    ports:
    - 9092:9092
    - 29092:29092
    depends_on:
    - zookeeper
    environment:
      - KAFKA_ZOOKEEPER_CONNECT=zookeeper:32181
      - KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1
      - KAFKAD_LISTENERS=PLAINTEXT_HOST://localhost:29092,PLAINTEXT://kafka:9092
      - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT_HOST://localhost:29092,PLAINTEXT://kafka:9092
      - KAFKA_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      - KAFKA_BROKER_ID=1
  schema-registry-server:
    image: confluentinc/cp-schema-registry
    hostname: schema-registry-server
    container_name: schema-registry-server
    depends_on:
      - kafka
      - zookeeper
    ports:
      - 8081:8081
    environment:
      - SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS=kafka:9092
      - SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL=zookeeper:32181
      - SCHEMA_REGISTRY_HOST_NAME=schema-registry-server
      - SCHEMA_REGISTRY_DEBUG=true
      - SCHEMA_REGISTRY_ACCESS_CONTROL_ALLOW_ORIGIN=*