Update Dockerfile

Dockerfile

@@ -25,7 +25,7 @@ RUN pip install --upgrade pip
 COPY . /app
 
 # install requirements
-RUN pip install -r requirements.txt
+CMD ['pip install -r requirements.txt']
 
 # Unzip the data.zip file into the /app/data directory
 RUN unzip data.zip -d /app/data