fix : runtime error

Dockerfile

@@ -14,7 +14,7 @@ COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
 # 複製專案檔案
-
+COPY . .
 
 # FastAPI 使用 uvicorn 啟動
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]