docker-compose.yaml

version: '3'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:latest
    container_name: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka:
    image: confluentinc/cp-kafka:latest
    container_name: kafka
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"  # External port
      - "29092:29092"  # Internal port
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT_INTERNAL:PLAINTEXT,PLAINTEXT_EXTERNAL:PLAINTEXT
      KAFKA_LISTENERS: PLAINTEXT_INTERNAL://0.0.0.0:29092,PLAINTEXT_EXTERNAL://0.0.0.0:9092
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT_INTERNAL://kafka:29092,PLAINTEXT_EXTERNAL://localhost:9092
      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
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT_INTERNAL


  data-source:
    container_name: data-source
    build:
      context: ./data-source
      dockerfile: .Dockerfile
    env_file:
      - ./.env
    depends_on:
      - kafka
    restart: on-failure