docker-compose.cluster.yml

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.7.1
    container_name: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    healthcheck:
      test: [ "CMD-SHELL", "nc -z localhost 2181 || exit -1" ]
      interval: 10s
      timeout: 5s
      retries: 10
    ports:
      - "2181:2181"

  kafka-1:
    image: confluentinc/cp-kafka:7.7.1
    container_name: kafka-1
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-1:29092,EXTERNAL://localhost:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
    healthcheck:
      test: [ "CMD-SHELL", "kafka-topics --bootstrap-server localhost:9092 --list" ]
      interval: 10s
      timeout: 5s
      retries: 10
    depends_on:
      zookeeper:
        condition: service_healthy

  kafka-2:
    image: confluentinc/cp-kafka:7.7.1
    container_name: kafka-2
    ports:
      - "9093:9093"
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-2:29093,EXTERNAL://localhost:9093
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
    healthcheck:
      test: [ "CMD-SHELL", "kafka-topics --bootstrap-server localhost:9093 --list" ]
      interval: 10s
      timeout: 5s
      retries: 10
    depends_on:
      zookeeper:
        condition: service_healthy

  console:
    image: docker.redpanda.com/redpandadata/console:latest
    container_name: console
    environment:
      KAFKA_BROKERS: "kafka-1:29092,kafka-2:29093"
    ports:
      - "8081:8080"
    healthcheck:
      test: [ "CMD-SHELL", "curl --fail http://localhost:8080 || exit 1" ]
      interval: 5s
      timeout: 5s
      retries: 5
    depends_on:
      kafka-1:
        condition: service_healthy
      kafka-2:
        condition: service_healthy