Add Docker support with multi-stage Vite build and nginx serving

Co-authored-by: Cursor <cursoragent@cursor.com>

README.md

@@ -65,6 +65,22 @@ npm run preview   # پیش‌نمایش بیلد روی پورت 5176
 npm run lint      # بررسی نوع‌ها (type-check)
 ```
 
+## Docker
+
+```bash
+docker compose up -d --build
+```
+
+The container serves the production build on **http://localhost:3006**.
+
+Build-time API URLs (FunZone backend + accounting service):
+
+```bash
+VITE_API_BASE_URL=http://localhost:8001/api \
+VITE_ACCOUNTING_BASE_URL=http://localhost:8010/api \
+docker compose up -d --build
+```
+
 ## معماری
 
 - `src/types` — مدل‌های دامنه با تایپ قوی