Docker kafdrop

docker-compose.yml

version: "3"
services:
  kafdrop:
    image: obsidiandynamics/kafdrop
    restart: "no"
    ports:
      - "9000:9000"
    environment:
      KAFKA_BROKERCONNECT: "kafka:29092"
    depends_on:
      - "kafka"
  kafka:
    image: obsidiandynamics/kafka
    restart: "no"
    ports:
      - "2181:2181"
      - "9092:9092"
    environment:
      KAFKA_LISTENERS: "INTERNAL://:29092,EXTERNAL://:9092"
      KAFKA_ADVERTISED_LISTENERS: "INTERNAL://kafka:29092,EXTERNAL://localhost:9092"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT"
      KAFKA_INTER_BROKER_LISTENER_NAME: "INTERNAL"
      KAFKA_ZOOKEEPER_SESSION_TIMEOUT: "6000"
      KAFKA_RESTART_ATTEMPTS: "10"
      KAFKA_RESTART_DELAY: "5"
      ZOOKEEPER_AUTOPURGE_PURGE_INTERVAL: "0"

In this configuration:

• We have two services: Kafka and Kafdrop.
• Kafka is exposed on ports 2181 (for Zookeeper) and 9092 (for external communication).
• Kafdrop, a web UI for monitoring Kafka topics, is exposed on port 9000.

Starting Kafka and Kafdrop

docker compose -f docker-compose.yml up -d

Verifying Installation

http://localhost:9000

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