Kafka 3 Node Cluster with Conduktor UI

kafka-docker-compose.yml

services:
  zoo1:
    image: confluentinc/cp-zookeeper:7.3.2
    hostname: zoo1
    container_name: zoo1
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_SERVER_ID: 1
      ZOOKEEPER_SERVERS: zoo1:2888:3888


  kafka1:
    image: confluentinc/cp-kafka:7.3.2
    hostname: kafka1
    container_name: kafka1
    ports:
      - "9092:9092"
      - "29092:29092"
    environment:
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka1:19092,EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9092,DOCKER://host.docker.internal:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT,DOCKER:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ZOOKEEPER_CONNECT: "zoo1:2181"
      KAFKA_BROKER_ID: 1
      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
      KAFKA_AUTHORIZER_CLASS_NAME: kafka.security.authorizer.AclAuthorizer
      KAFKA_ALLOW_EVERYONE_IF_NO_ACL_FOUND: "true"
    depends_on:
      - zoo1

  kafka2:
    image: confluentinc/cp-kafka:7.3.2
    hostname: kafka2
    container_name: kafka2
    ports:
      - "9093:9093"
      - "29093:29093"
    environment:
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka2:19093,EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9093,DOCKER://host.docker.internal:29093
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT,DOCKER:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ZOOKEEPER_CONNECT: "zoo1:2181"
      KAFKA_BROKER_ID: 2
      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
      KAFKA_AUTHORIZER_CLASS_NAME: kafka.security.authorizer.AclAuthorizer
      KAFKA_ALLOW_EVERYONE_IF_NO_ACL_FOUND: "true"
    depends_on:
      - zoo1


  kafka3:
    image: confluentinc/cp-kafka:7.3.2
    hostname: kafka3
    container_name: kafka3
    ports:
      - "9094:9094"
      - "29094:29094"
    environment:
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka3:19094,EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9094,DOCKER://host.docker.internal:29094
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT,DOCKER:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ZOOKEEPER_CONNECT: "zoo1:2181"
      KAFKA_BROKER_ID: 3
      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
      KAFKA_AUTHORIZER_CLASS_NAME: kafka.security.authorizer.AclAuthorizer
      KAFKA_ALLOW_EVERYONE_IF_NO_ACL_FOUND: "true"
    depends_on:
      - zoo1

  kafka-schema-registry:
    image: confluentinc/cp-schema-registry:7.3.2
    hostname: kafka-schema-registry
    container_name: kafka-schema-registry
    depends_on:
      - zoo1
      - kafka1
      - kafka2
      - kafka3
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_HOST_NAME: kafka-schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: 'PLAINTEXT://kafka1:19092,PLAINTEXT://kafka2:19093,PLAINTEXT://kafka3:19094'
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081

  kafka-rest-proxy:
    image: confluentinc/cp-kafka-rest:7.3.2
    hostname: kafka-rest-proxy
    container_name: kafka-rest-proxy
    ports:
      - "8082:8082"
    environment:
      # KAFKA_REST_ZOOKEEPER_CONNECT: zoo1:2181
      KAFKA_REST_LISTENERS: http://0.0.0.0:8082/
      KAFKA_REST_SCHEMA_REGISTRY_URL: http://kafka-schema-registry:8081/
      KAFKA_REST_HOST_NAME: kafka-rest-proxy
      KAFKA_REST_BOOTSTRAP_SERVERS: PLAINTEXT://kafka1:19092
    depends_on:
      - zoo1
      - kafka1
      - kafka-schema-registry

  
  ksqldb-server:
    image: confluentinc/cp-ksqldb-server:7.3.2
    hostname: ksqldb-server
    container_name: ksqldb-server
    ports:
      - "8088:8088"
    environment:
      KSQL_BOOTSTRAP_SERVERS: 'PLAINTEXT://kafka1:19092,PLAINTEXT://kafka2:19093,PLAINTEXT://kafka3:19094'
      KSQL_LISTENERS: http://0.0.0.0:8088/
      KSQL_KSQL_SERVICE_ID: ksqldb-server_
    depends_on:
      - zoo1
      - kafka1

  kafka-connect:
    image: confluentinc/cp-kafka-connect:7.3.2
    hostname: kafka-connect
    container_name: kafka-connect
    ports:
      - "8083:8083"
    environment:
      CONNECT_BOOTSTRAP_SERVERS: "kafka1:19092,kafka2:19093,kafka3:19094"
      CONNECT_REST_PORT: 8083
      CONNECT_GROUP_ID: compose-connect-group
      CONNECT_CONFIG_STORAGE_TOPIC: docker-connect-configs
      CONNECT_OFFSET_STORAGE_TOPIC: docker-connect-offsets
      CONNECT_STATUS_STORAGE_TOPIC: docker-connect-status
      CONNECT_KEY_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: 'http://kafka-schema-registry:8081'
      CONNECT_VALUE_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: 'http://kafka-schema-registry:8081'
      CONNECT_INTERNAL_KEY_CONVERTER: "org.apache.kafka.connect.json.JsonConverter"
      CONNECT_INTERNAL_VALUE_CONVERTER: "org.apache.kafka.connect.json.JsonConverter"
      CONNECT_REST_ADVERTISED_HOST_NAME: "kafka-connect"
      CONNECT_LOG4J_ROOT_LOGLEVEL: "INFO"
      CONNECT_LOG4J_LOGGERS: "org.apache.kafka.connect.runtime.rest=WARN,org.reflections=ERROR"
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: "1"
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: "1"
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: "1"
      CONNECT_PLUGIN_PATH: '/usr/share/java,/etc/kafka-connect/jars,/usr/share/confluent-hub-components'
    volumes:
      - ./connectors:/etc/kafka-connect/jars/
    depends_on:
      - zoo1
      - kafka1
      - kafka2
      - kafka3
      - kafka-schema-registry
      - kafka-rest-proxy
    command:
      - bash
      - -c
      - |
        confluent-hub install --no-prompt debezium/debezium-connector-mysql:latest
        confluent-hub install --no-prompt confluentinc/kafka-connect-datagen:0.4.0
        /etc/confluent/docker/run

  postgresql:
    image: postgres:14
    hostname: postgresql
    volumes:
      - pg_data:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: "conduktor-platform"
      POSTGRES_USER: "conduktor"
      POSTGRES_PASSWORD: "some_password"
      POSTGRES_HOST_AUTH_METHOD: "scram-sha-256"

  conduktor-platform-cortex:
    image: conduktor/conduktor-platform-cortex:latest
    ports:
      - "9009:9009"
      - "9010:9010"
      - "9090:9090"
    environment:
      CDK_CONSOLE-URL: 'http://conduktor-platform:8080'

  conduktor-platform:
    image: conduktor/conduktor-platform:latest
    ports:
      - "8080:8080"
    volumes:
      - conduktor_data:/var/conduktor
    environment:
      CDK_ORGANIZATION_NAME: "demo"
      CDK_ADMIN_EMAIL: "admin@admin.io"
      CDK_ADMIN_PASSWORD: "admin"
      CDK_DATABASE_URL: "postgresql://conduktor:some_password@postgresql:5432/conduktor-platform"
      CDK_CLUSTERS_0_ID: "default"
      CDK_CLUSTERS_0_NAME: "My Local Kafka Cluster"
      CDK_CLUSTERS_0_COLOR: "#0013E7"
      CDK_CLUSTERS_0_BOOTSTRAPSERVERS: 'PLAINTEXT://kafka1:19092,PLAINTEXT://kafka2:19093,PLAINTEXT://kafka3:19094'
      CDK_CLUSTERS_0_ZOOKEEPERSERVER: zoo1:2181"
      CDK_CLUSTERS_0_SCHEMAREGISTRY_URL: "http://kafka-schema-registry:8081"
      CDK_CLUSTERS_0_KAFKACONNECTS_0_NAME: "full stack kafka connect"
      CDK_MONITORING_CORTEX-URL: 'http://conduktor-platform-cortex:9009'
      CDK_MONITORING_ALERT-MANAGER-URL: 'http://conduktor-platform-cortex:9010'
      CDK_MONITORING_CALLBACK-URL: 'http://conduktor-platform:8080/monitoring/api/'
      CDK_MONITORING_NOTIFICATIONS-CALLBACK-URL: 'http://0.0.0.0:8080'
      CDK_CLUSTERS_0_KAFKACONNECTS_0_URL: "http://kafka-connect:8083"

volumes:
  pg_data: {}
  conduktor_data: {}