docker-compose.yml

version: '3.9'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:latest
    container_name: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    volumes:
      - ./confluent/zookeeper/data:/var/lib/zookeeper/data
      - ./confluent/zookeeper/logs:/var/lib/zookeeper/log
    ports:
      - 2181:2181
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure
  
  kafka:
    image: confluentinc/cp-kafka:latest
    container_name: kafka
    depends_on:
      - zookeeper
    ports:
      - 9092:9092      
      - 9998:9998
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: 'CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT'
      KAFKA_ADVERTISED_LISTENERS: 'PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092'
      KAFKA_LISTENERS: 'PLAINTEXT://kafka:29092,CONTROLLER://kafka:29093,PLAINTEXT_HOST://0.0.0.0:9092'
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_JMX_PORT: 9997
      KAFKA_JMX_OPTS: "-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=kafka -Dcom.sun.management.jmxremote.rmi.port=9997"
      KAFKA_PROCESS_ROLES: 'broker,controller'
      KAFKA_NODE_ID: 1
      KAFKA_CONTROLLER_QUORUM_VOTERS: '1@kafka:29093'
      KAFKA_INTER_BROKER_LISTENER_NAME: 'PLAINTEXT'
      KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
      KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: 'CLIENT:PLAINTEXT'
      KAFKA_LOG_DIRS: '/tmp/kraft-combined-logs'
    volumes:
      - ./confluent/kafka/data:/var/lib/kafka/data
      - ./confluent/scripts/update_run.sh:/tmp/update_run.sh
    command: "bash -c 'if [ ! -f /tmp/update_run.sh ]; then echo \"ERROR: Did you forget the update_run.sh file that came with this docker-compose.yml file?\" && exit 1 ; else /tmp/update_run.sh && /etc/confluent/docker/run ; fi'"
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure

  schemaregistry:
    image: confluentinc/cp-schema-registry:latest
    container_name: schemaregistry
    ports:
      - 8085:8085
    depends_on:
      - kafka
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: PLAINTEXT://kafka:29092
      SCHEMA_REGISTRY_KAFKASTORE_SECURITY_PROTOCOL: PLAINTEXT
      SCHEMA_REGISTRY_HOST_NAME: schemaregistry
      SCHEMA_REGISTRY_LISTENERS: http://schemaregistry:8085
      SCHEMA_REGISTRY_SCHEMA_REGISTRY_INTER_INSTANCE_PROTOCOL: "http"
      SCHEMA_REGISTRY_LOG4J_ROOT_LOGLEVEL: INFO
      SCHEMA_REGISTRY_KAFKASTORE_TOPIC: _schemas
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure

  kafka-connect:
    image: confluentinc/cp-kafka-connect:latest
    container_name: kafka-connect
    ports:
      - 8083:8083
    depends_on:
      - kafka
      - schemaregistry
    environment:
      CONNECT_BOOTSTRAP_SERVERS: kafka:29092
      CONNECT_GROUP_ID: compose-connect-group
      CONNECT_CONFIG_STORAGE_TOPIC: _connect_configs
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: 1
      CONNECT_OFFSET_STORAGE_TOPIC: _connect_offset
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: 1
      CONNECT_STATUS_STORAGE_TOPIC: _connect_status
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: 1
      CONNECT_KEY_CONVERTER: org.apache.kafka.connect.storage.StringConverter
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: http://schemaregistry:8085
      CONNECT_VALUE_CONVERTER: org.apache.kafka.connect.storage.StringConverter
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: http://schemaregistry:8085
      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_PLUGIN_PATH: "/usr/share/java,/usr/share/confluent-hub-components"
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure

  kafka-ui:
    image: provectuslabs/kafka-ui:latest
    container_name: kafka-ui
    ports:
      - 4109:8080
    depends_on:
      - zookeeper
      - kafka
      - schemaregistry
      - kafka-connect
    environment:
      KAFKA_CLUSTERS_0_NAME: local
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:29092
      KAFKA_CLUSTERS_0_METRICS_PORT: 9997
      KAFKA_CLUSTERS_0_SCHEMAREGISTRY: http://schemaregistry:8085
      KAFKA_CLUSTERS_0_KAFKACONNECT_0_NAME: first
      KAFKA_CLUSTERS_0_KAFKACONNECT_0_ADDRESS: http://kafka-connect:8083
      DYNAMIC_CONFIG_ENABLED: true
    deploy:
      replicas: 1
      restart_policy:
        condition: on-failure
 
  kafka-init-topic:
    image: confluentinc/cp-kafka:latest
    container_name: kafka-init
    volumes:
      - ./confluent/kafka-init/message.json:/data/message.json
    depends_on:
      - kafka
    command: "bash -c 'echo Waiting for Kafka to be ready... && \
               cub kafka-ready -b kafka:29092 1 30 && \
               kafka-topics --create --topic second.users --partitions 3 --replication-factor 1 --if-not-exists --bootstrap-server kafka:29092 && \
               kafka-topics --create --topic second.messages --partitions 2 --replication-factor 1 --if-not-exists --bootstrap-server kafka:29092 && \
               kafka-topics --create --topic first.messages --partitions 2 --replication-factor 1 --if-not-exists --bootstrap-server kafka:29092 && \
               kafka-console-producer --bootstrap-server kafka:29092 -topic second.users < /data/message.json'"