Update Dockerfile

Dockerfile

@@ -1,9 +1,5 @@
 FROM python:3.10-slim
 
-# Set Cloudflare DNS
-RUN echo "nameserver 1.1.1.1" > /etc/resolv.conf && \
-    echo "nameserver 1.0.0.1" >> /etc/resolv.conf
-
 # Install system dependencies
 RUN apt-get update && apt-get install -y \
     git \
@@ -11,6 +7,7 @@ RUN apt-get update && apt-get install -y \
     dnsutils \
     curl \
     ffmpeg \
+    sudo \
     && rm -rf /var/lib/apt/lists/*
 
 # Working directory
@@ -25,5 +22,7 @@ RUN pip install --no-cache-dir fastapi uvicorn
 # HuggingFace Spaces port
 EXPOSE 7860
 
-# Start server
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+# Startup: try to change DNS then start server
+CMD sh -c 'echo "nameserver 1.1.1.1" | sudo tee /etc/resolv.conf >/dev/null 2>&1; \
+echo "nameserver 1.0.0.1" | sudo tee -a /etc/resolv.conf >/dev/null 2>&1; \
+uvicorn app:app --host 0.0.0.0 --port 7860'