docker-compose.yml

version: "3"
services:
  server:
    init: true
    build: .
    hostname: server
    ports:
      - 3000:3000
    environment:
      WS_PORT: 3000
      PYTHONUNBUFFERED: 1
      KAFKA_BROKERS: kafka1:19093 # The broker addresses for the producer to connect to
      KAFKA_TOPIC: chat # The server will start with this topic for reading
    volumes:
      - .:/opt
    networks:
      - kafka-chat

  frontend:
    init: true
    build: frontend
    hostname: frontend
    ports:
      - 8080:8080
    depends_on:
      - server

  zookeeper1:
    image: confluentinc/cp-zookeeper:5.5.1
    hostname: zookeeper1
    container_name: zookeeper1
    environment:
      ZOOKEEPER_SERVER_ID: 1
      ZOOKEEPER_CLIENT_PORT: 22181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_INIT_LIMIT: 5
      ZOOKEEPER_SYNC_LIMIT: 2
      ZOOKEEPER_SERVERS: zookeeper1:22888:23888
    restart: unless-stopped
    ports:
      - 22181:22181
    volumes:
      - zookeeper1_data:/var/lib/zookeeper/data
      - zookeeper1_log:/var/lib/zookeeper/log
    networks:
      - kafka-chat

  kafka1:
    image: confluentinc/cp-kafka:5.5.1
    hostname: kafka1
    container_name: kafka1
    depends_on:
      - zookeeper1
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper1:22181
      KAFKA_LISTENERS: LISTENER_LOCAL://:19092, LISTENER_DOCKER://kafka1:19093
      KAFKA_ADVERTISED_LISTENERS: LISTENER_LOCAL://localhost:19092, LISTENER_DOCKER://kafka1:19093
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_LOCAL:PLAINTEXT,LISTENER_DOCKER:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_DOCKER
      KAFKA_CONFLUENT_SUPPORT_METRICS_ENABLE: "false"
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
      KAFKA_DEFAULT_REPLICATION_FACTOR: 1
      KAFKA_NUM_PARTITIONS: 1
      KAFKA_JMX_PORT: 18888
    restart: unless-stopped
    ports:
      - 127.0.0.1:19092:19092
    volumes:
      - kafka1_data:/var/lib/kafka/data
    networks:
      - kafka-chat

volumes:
  kafka1_data:
  zookeeper1_data:
  zookeeper1_log:

networks:
  kafka-chat: