Update Dockerfile

Dockerfile

@@ -1,10 +1,12 @@
 FROM gradio/gradio:4.36.1-py310
 
 USER root
-RUN apt-get update && apt-get install -y wireguard-tools && apt-get clean
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends wireguard-tools && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
 USER user
 
 COPY requirements.txt .
-RUN pip install -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
 COPY app.py .
 CMD ["python", "app.py"]