Auto UPNP

A simple Docker container for automatic UPnP port forwarding. This container automatically forwards ports on your router with the use of upnpc.

Features

• JSON-based port configuration
• Automatic port mapping renewal
• Configurable mapping duration
• Built on Alpine Linux for minimal footprint

Usage

Quick Start

services:
  upnp:
    image: ghcr.io/vleeuwenmenno/auto-upnp:latest
    network_mode: host
    environment:
      - PORTS=[{"port": 80, "protocol": "tcp"}, {"port": 443, "protocol": "tcp"}]

Environment Variables

• PORTS: JSON array of port mappings (required)
  • Format: [{"port": number, "protocol": "tcp|udp"}, ...]
• UPNP_DURATION: Renewal interval for port mappings (default: 86400 seconds/24 hours)

Example Configurations

Game Server (Satisfactory)

environment:
  PORTS:  |
  [
    {"port": 7777, "protocol": "udp"},
    {"port": 15000, "protocol": "udp"},
    {"port": 15777, "protocol": "udp"}
  ]

Web Server

environment:
  PORTS:  |
  [
    {"port": 80, "protocol": "tcp"},
    {"port": 443, "protocol": "tcp"}
  ]

Building

docker build -t auto-upnp .

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the MIT License - see the LICENSE file for details.