Update Dockerfile

Dockerfile

@@ -3,8 +3,9 @@ FROM python:3.9
 WORKDIR /code
 
 COPY ./requirements.txt /code/requirements.txt
+
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
-COPY ./main.py /code/main.py
+COPY . /code
 
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["gunicorn", "app:app", "--bind", "0.0.0.0:7860"]