docker-compose.yaml

version: '3.8'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.4.1
    container_name: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "2181:2181"

  kafka:
    image: confluentinc/cp-kafka:7.4.1
    container_name: kafka
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
    ports:
      - "9092:9092"

  # Optional service for a Kafka management UI like Kafdrop
  kafdrop:
    image: obsidiandynamics/kafdrop:3.30.0
    container_name: kafdrop
    depends_on:
      - kafka
    environment:
      KAFKA_BROKERCONNECT: "kafka:9092"
      JVM_OPTS: "-Xms32M -Xmx64M"
    ports:
      - "9000:9000"