Update Dockerfile

Dockerfile

@@ -9,7 +9,7 @@ COPY requirements.txt /app/requirements.txt
 
 # Install any dependencies specified in requirements.txt
 RUN pip install --upgrade pip
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install -r requirements.txt
 
 # Copy the rest of the working directory contents into the container at /app
 COPY app.py /app