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mc-gateway/README.md
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feat: add sqlite-backed admin management
2026-06-25 08:53:44 +08:00

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# mc-gateway
一个简易的 Minecraft 网关,通过客户端握手里的 host 将流量转发到对应的后端 Minecraft 服务器。
## 启动
mc-gateway 默认不依赖配置文件。直接启动后会在 `25565` 端口同时提供 Minecraft TCP 转发入口和后台管理入口:
- Admin 页面:`/admin/`
- Admin API`/admin/api`
- SQLite 数据库:`mc-gateway.sqlite3`
首次启动时,如果用户表为空,可以通过 Admin 页面初始化管理员账号。也可以用 `MC_GATEWAY_ADMIN_PASSWORD` 在启动时创建默认管理员用户 `admin`
### 启动期环境变量
| 环境变量 | 默认值 | 说明 |
| --- | --- | --- |
| `MC_GATEWAY_TCP_ADMIN_PORT` | `25565` | TCP/Admin 共享监听端口 |
| `MC_GATEWAY_ADMIN_PATH` | `/admin/` | Admin 页面路径 |
| `MC_GATEWAY_ADMIN_API_PREFIX` | `/admin/api` | Admin API 前缀 |
| `MC_GATEWAY_DB` | `mc-gateway.sqlite3` | SQLite 数据库路径 |
| `MC_GATEWAY_ADMIN_PASSWORD` | 空 | 首次启动时创建默认管理员密码 |
服务启停、KCP/QUIC/WebSocket 参数、用户、权限和路由都通过后台管理写入 SQLite不再使用 `config.toml` 作为启动配置或路由来源。
## 权限
后台管理内置三类角色:
| 角色 | 能力 |
| --- | --- |
| 管理员 | 管理用户、服务、路由和审计日志 |
| 成员 | 查看状态,管理路由 |
| 游客 | 查看当前路由 |
## 路由
路由记录存储在 SQLite 中,后台修改后会刷新内存快照。默认 fallback 路由的 host 为 `default`
### upstream
路由上游支持多种协议。TCP 上游直接填写地址,其他协议在地址前加协议前缀:
| 协议 | 前缀 | 说明 |
| --- | --- | --- |
| tcp | 无 | 原始 TCP 连接 |
| kcp | `kcp://` | 使用 KCP 协议连接到服务器 |
| quic | `quic://` | 使用 QUIC 协议连接到服务器 |
| haproxy | `haproxy://` | 使用 HAProxy 协议连接到服务器 |
HAProxy 协议头会保存客户端真实 IP适合需要在后端服务端获取真实客户端 IP 的场景。
## 可选服务
TCP/Admin listener 是基础入口默认启用。KCP、QUIC、WebSocket 默认禁用,可以在后台管理中启用并配置端口和参数;配置修改后第一版按重启后生效处理。
| 服务 | 默认端口 | 说明 |
| --- | --- | --- |
| TCP/Admin | `25565` | Minecraft TCP 转发和后台管理共享入口 |
| KCP | `25565` | 可选 KCP 入口 |
| QUIC | `25565` | 可选 QUIC 入口 |
| WebSocket | `25566` | 可选 WebSocket 入口 |
## 日志
默认日志级别为 `info`,输出到标准输出。日志文件重开逻辑支持 logrotate 场景:
```logrotate
/var/log/mc-gateway.log {
copytruncate
daily
missingok
rotate 14
compress
compresscmd /usr/bin/zstd
compressext .zst
compressoptions -T0 --long
uncompresscmd /usr/bin/unzstd
notifempty
delaycompress
dateext
postrotate
if [ -f /dev/shm/mc-gateway.pid ]; then
kill -SIGHUP $(cat /dev/shm/mc-gateway.pid)
fi
endscript
}
```