添加Docker部署方案

- 多阶段Dockerfile：第一阶段构建前端(npm)，第二阶段Python运行时(uv+opencv)
- docker-compose.yml：单服务，data/logs目录挂载持久化
- deploy.sh一键部署脚本：自动构建+启动+健康检查
- .dockerignore排除不必要文件减小构建上下文
- main.py添加前端静态文件服务(生产环境单端口部署)
- README更新部署文档和代理配置说明

web/backend/main.py

@@ -1,9 +1,13 @@
 """FastAPI 入口"""
 
+import os
+from pathlib import Path
 import uvicorn
 from contextlib import asynccontextmanager
-from fastapi import FastAPI
+from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+from fastapi.responses import FileResponse
 
 from .database import init_db
 from .routers import auth, users, accounts, login, proxy, cookies, logs
@@ -45,6 +49,31 @@ def health():
     return {"status": "ok"}
 
 
+# ---- 生产环境：serve 前端静态文件 ----
+# Docker 部署时前端构建产物会被复制到 web/frontend/dist
+_FRONTEND_DIST = Path(__file__).resolve().parents[2] / "web" / "frontend" / "dist"
+_INDEX_HTML = _FRONTEND_DIST / "index.html"
+
+if _INDEX_HTML.exists():
+    # 挂载静态资源目录（js/css/图片等）
+    _ASSETS_DIR = _FRONTEND_DIST / "assets"
+    if _ASSETS_DIR.exists():
+        app.mount("/assets", StaticFiles(directory=str(_ASSETS_DIR)), name="assets")
+
+    @app.get("/{full_path:path}")
+    async def serve_spa(full_path: str, request: Request):
+        """SPA fallback：非 /api 路径返回 index.html"""
+        # 排除 API 路径
+        if full_path.startswith("api"):
+            return {"detail": "Not Found"}
+        # 尝试返回静态文件
+        file_path = _FRONTEND_DIST / full_path
+        if file_path.is_file():
+            return FileResponse(str(file_path))
+        # SPA fallback 到 index.html
+        return FileResponse(str(_INDEX_HTML))
+
+
 def run():
     uvicorn.run("web.backend.main:app", host="0.0.0.0", port=8000, reload=True)