docker-compose.yml

version: "3.8"

services:
  # Messaging server
  nats:
    container_name: nats
    restart: always
    image: nats:2.7.0-alpine
    ports:
      - 4222:4222

  # Server
  server:
    container_name: server
    restart: always
    image: server
    build: ./server
    ports:
      - 3000:3000
    environment:
      - SERVER_PORT=3000
      - NATS_SERVERS=nats://nats:4222
    depends_on:
      - nats

  # Client-1
  client_1:
    container_name: client-1
    restart: always
    image: client
    build: ./client
    ports:
      - 3001:80
    environment:
      - WEBSOCKET_URL=ws://127.0.0.1:3000

  # Client-2
  client_2:
    container_name: client-2
    restart: always
    image: client
    ports:
      - 3002:80
    environment:
      - WEBSOCKET_URL=ws://127.0.0.1:3000

  # Client-3
  client_3:
    container_name: client-3
    restart: always
    image: client
    ports:
      - 3003:80
    environment:
      - WEBSOCKET_URL=ws://127.0.0.1:3000