docker-compose.kafka.yml

version: '3.8'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.4.0
    container_name: meeray-zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "2181:2181"
    restart: unless-stopped
    volumes:
      - zookeeper-data:/var/lib/zookeeper/data
      - zookeeper-logs:/var/lib/zookeeper/log

  kafka:
    image: confluentinc/cp-kafka:7.4.0
    container_name: meeray-kafka
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      # Internal listener for Docker network and external listener for outside connections
      KAFKA_LISTENERS: "PLAINTEXT://0.0.0.0:9092,EXTERNAL://0.0.0.0:29092"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "PLAINTEXT:PLAINTEXT,EXTERNAL:PLAINTEXT"
      # Replace YOUR_VPS_IP with your actual VPS IP address
      # For local/internal: kafka:9092
      # For external access: YOUR_VPS_IP:29092
      KAFKA_ADVERTISED_LISTENERS: "PLAINTEXT://kafka:9092,EXTERNAL://YOUR_VPS_IP:29092"
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
    ports:
      - "9092:9092"   # Internal Docker network access
      - "29092:29092" # External access from outside Docker
    restart: unless-stopped
    volumes:
      - kafka-data:/var/lib/kafka/data

volumes:
  zookeeper-data:
  zookeeper-logs:
  kafka-data: