```
cat > /opt/3proxy/config/docker-compose.yml <<'YML'
services:
  proxy:
    image: 3proxy/3proxy:latest
    container_name: 3proxy
    restart: unless-stopped
    ports:
      - "3128:3128"     # HTTP наружу
      - "1081:1080"     # SOCKS наружу, внутри 1080
    volumes:
      - /opt/3proxy/config/3proxy.cfg:/etc/3proxy/3proxy.cfg:ro
YML
```