Update Dockerfile

Dockerfile

@@ -1,14 +1,17 @@
 # Use the official Python 3.10.9 image
 FROM python:3.10.9
 
+WORKDIR /code
+
 # Copy the current directory contents into the container at .
-COPY . .
+COPY requirements.txt .
 
 # Set the working directory to /
-WORKDIR /
 
 # Install requirements.txt 
-RUN pip install --no-cache-dir --upgrade -r /requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+COPY . .
 
 # Start the FastAPI app on port 7860, the default port expected by Spaces
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]