version: '2'

services:
  zookeeper:
    image: docker.io/bitnami/zookeeper:3.8
    environment:
      - ALLOW_ANONYMOUS_LOGIN=yes
    volumes:
      - 'zookeeper_data:/bitnami/zookeeper'
  kafka-0:
    image: docker.io/bitnami/kafka:3.2
    environment:
      - KAFKA_CFG_ZOOKEEPER_CONNECT=zookeeper:2181
      - ALLOW_PLAINTEXT_LISTENER=yes
    volumes:
      - 'kafka0_data:/bitnami/kafka'
    depends_on:
      - zookeeper
  kafka-1:
    image: docker.io/bitnami/kafka:3.2
    environment:
      - KAFKA_CFG_ZOOKEEPER_CONNECT=zookeeper:2181
      - ALLOW_PLAINTEXT_LISTENER=yes
    volumes:
      - 'kafka1_data:/bitnami/kafka'
    depends_on:
      - zookeeper
  schema-registry:
    image: docker.io/bitnami/schema-registry:6.0
    ports:
      - '8081:8081'
    depends_on:
      - kafka-0
      - kafka-1
    environment:
      - SCHEMA_REGISTRY_LISTENERS=http://0.0.0.0:8081
      - SCHEMA_REGISTRY_KAFKA_BROKERS=PLAINTEXT://kafka-0:9092,PLAINTEXT://kafka-1:9092

volumes:
  zookeeper_data:
    driver: local
  kafka0_data:
    driver: local
  kafka1_data:
    driver: local