Update Dockerfile

Dockerfile

@@ -29,7 +29,7 @@ WORKDIR $HOME/app
 
 # Copy the requirements and install Python dependencies
 COPY --chown=pn requirements.txt requirements.txt
-RUN pip install -r requirements.txt
+RUN pip install --no-cache-dir  -r requirements.txt
 
 # Handling frontend setup: Install dependencies and build
 COPY --chown=pn frontend frontend