version: '2.3'

services:
  kafka_zookeeper:
    image: zookeeper:3.4.9
    hostname: kafka_zookeeper
    environment:
      ZOO_MY_ID: 1
      ZOO_PORT: 2181
      ZOO_SERVERS: server.1=kafka_zookeeper:2888:3888
    security_opt:
      - label:disable

  kafka1:
    image: confluentinc/cp-kafka:5.2.0
    hostname: kafka1
    ports:
      - ${KAFKA_EXTERNAL_PORT:-8081}:${KAFKA_EXTERNAL_PORT:-8081}
    environment:
      KAFKA_ADVERTISED_LISTENERS: INSIDE://localhost:${KAFKA_EXTERNAL_PORT},OUTSIDE://kafka1:19092
      KAFKA_ADVERTISED_HOST_NAME: kafka1
      KAFKA_LISTENERS: INSIDE://0.0.0.0:${KAFKA_EXTERNAL_PORT},OUTSIDE://0.0.0.0:19092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: "kafka_zookeeper:2181"
      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
    depends_on:
      - kafka_zookeeper
    security_opt:
      - label:disable

  # kafka2:
  #   image: confluentinc/cp-kafka:5.2.0
  #   hostname: kafka2
  #   ports:
  #     - ${KAFKA2_EXTERNAL_PORT:-8082}:${KAFKA2_EXTERNAL_PORT:-8082}
  #   environment:
  #     # KAFKA_EXTERNAL_PORT: ${KAFKA2_EXTERNAL_PORT}
  #     # KAFKA_HOST: ${KAFKA2_HOST}
  #     KAFKA_ADVERTISED_LISTENERS: INSIDE://localhost:${KAFKA2_EXTERNAL_PORT},OUTSIDE://kafka2:19093
  #     KAFKA_ADVERTISED_HOST_NAME: kafka2
  #     KAFKA_LISTENERS: INSIDE://0.0.0.0:${KAFKA_EXTERNAL_PORT},OUTSIDE://0.0.0.0:19093
  #     KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
  #     KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
  #     KAFKA_BROKER_ID: 2
  #     KAFKA_ZOOKEEPER_CONNECT: "kafka_zookeeper:2181"
  #     KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
  #     KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
  #   depends_on:
  #     - kafka_zookeeper
  #   security_opt:
  #     - label:disable

  schema-registry:
    image: confluentinc/cp-schema-registry:5.2.0
    hostname: schema-registry
    ports:
      - ${SCHEMA_REGISTRY_EXTERNAL_PORT:-12313}:${SCHEMA_REGISTRY_INTERNAL_PORT:-12313}
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_SECURITY_PROTOCOL: PLAINTEXT
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: PLAINTEXT://kafka1:19092
    depends_on:
      - kafka_zookeeper
      - kafka1
    security_opt:
      - label:disable

  schema-registry-auth:
    image: confluentinc/cp-schema-registry:5.2.0
    hostname: schema-registry-auth
    ports:
      - ${SCHEMA_REGISTRY_AUTH_EXTERNAL_PORT:-12313}:${SCHEMA_REGISTRY_INTERNAL_PORT:-12313}
    environment:
      SCHEMA_REGISTRY_EXTERNAL_PORT: ${SCHEMA_REGISTRY_AUTH_EXTERNAL_PORT}
      SCHEMA_REGISTRY_HOST_NAME: schema-registry-auth
      SCHEMA_REGISTRY_KAFKASTORE_SECURITY_PROTOCOL: PLAINTEXT
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: PLAINTEXT://kafka1:19092
      SCHEMA_REGISTRY_AUTHENTICATION_METHOD: BASIC
      SCHEMA_REGISTRY_AUTHENTICATION_ROLES: schemaadmin, schemauser
      SCHEMA_REGISTRY_AUTHENTICATION_REALM: RealmFooBar
      SCHEMA_REGISTRY_OPTS: "-Djava.security.auth.login.config=/etc/schema-registry/secrets/schema_registry_jaas.conf"
      SCHEMA_REGISTRY_GROUP_ID: auth
      SCHEMA_REGISTRY_ZK_NAMESPACE: auth
      SCHEMA_REGISTRY_KAFKASTORE_TOPIC: _schemaauth
    volumes:
      - ${SCHEMA_REGISTRY_DIR:-}/secrets:/etc/schema-registry/secrets
    depends_on:
      - kafka_zookeeper
      - kafka1
    security_opt:
      - label:disable