docker-compose.yml

version: '3'

networks:
  sse-net:
    driver: bridge

services:
  web:
    build: ./client
    networks:
      - sse-net
    ports:
      - '80:80'
    depends_on:
      - server1
      - server2
    volumes:
      - ./client/nginx.conf:/etc/nginx/nginx.conf

  server1:
    build: ./server
    networks:
      - sse-net
    depends_on:
      - kafka
    environment:
      - KAFKA_BOOTSTRAP_SERVERS=kafka:9092

  server2:
    build: ./server
    networks:
      - sse-net
    depends_on:
      - kafka
    environment:
      - KAFKA_BOOTSTRAP_SERVERS=kafka:9092

  zookeeper:
    image: confluentinc/cp-zookeeper
    networks:
      - sse-net
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_SYNC_LIMIT: 2

  kafka:
    image: confluentinc/cp-kafka
    networks:
      - sse-net
    ports:
      - 9094:9094
    depends_on:
      - zookeeper
    environment:
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENERS: INTERNAL://kafka:9092,OUTSIDE://kafka:9094
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka:9092,OUTSIDE://localhost:9094
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL