name: livekit-sip

services:
  redis:
    image: redis:7-alpine
    container_name: lk-redis
    command: redis-server --maxmemory 256mb --maxmemory-policy allkeys-lru --save "" --appendonly no
    restart: unless-stopped
    networks: [lksip]

  livekit:
    image: livekit/livekit-server:latest
    container_name: lk-livekit
    command: --config /etc/livekit.yaml
    volumes:
      - ./conf/livekit.yaml:/etc/livekit.yaml:ro
    ports: ["7880:7880"]
    restart: unless-stopped
    networks: [lksip]
    depends_on: [redis]

  # 第二个 LiveKit 节点: 同一 Redis 即自动组成多节点集群(水平扩展验证)
  livekit2:
    image: livekit/livekit-server:latest
    container_name: lk-livekit2
    command: --config /etc/livekit.yaml
    volumes:
      - ./conf/livekit.yaml:/etc/livekit.yaml:ro
    ports: ["7883:7880"]
    restart: unless-stopped
    networks: [lksip]
    depends_on: [redis]
    profiles: [multinode]

  # SIP 网关 x2: 无状态, 经 Redis 被随机调度, 天然水平扩展
  sip1:
    image: livekit/sip:latest
    container_name: lk-sip1
    command: --config /etc/sip.yaml
    volumes:
      - ./conf/sip.yaml:/etc/sip.yaml:ro
    ports: ["8081:8081", "9091:9091"]
    restart: unless-stopped
    networks: [lksip]
    depends_on: [redis, livekit]

  sip2:
    image: livekit/sip:latest
    container_name: lk-sip2
    command: --config /etc/sip.yaml
    volumes:
      - ./conf/sip.yaml:/etc/sip.yaml:ro
    ports: ["8082:8081", "9092:9091"]
    restart: unless-stopped
    networks: [lksip]
    depends_on: [redis, livekit]

  # Mock SIP 运营商 (UAS): 应答 livekit-sip 的出站 INVITE
  mock-provider:
    image: python:3.12-alpine
    container_name: lk-mock-provider
    working_dir: /app
    command: python mock/mock-provider.py
    volumes:
      - ./mock:/app/mock:ro
    environment:
      SIP_PORT: "5060"
      RTP_PORT: "40000"
      RING_DELAY: "1.5"
    restart: unless-stopped
    networks: [lksip]

networks:
  lksip:
    driver: bridge