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@@ -1,11 +1,9 @@
 FROM python:3.11-slim
 
-# Cài system dependencies + thêm DNS fallback
+# Cài system dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    curl wget git build-essential procps htop nano vim dnsutils \
-    && rm -rf /var/lib/apt/lists/* \
-    && echo "nameserver 1.1.1.1" >> /etc/resolv.conf \
-    && echo "nameserver 8.8.8.8" >> /etc/resolv.conf
+    curl wget git build-essential procps htop nano vim \
+    && rm -rf /var/lib/apt/lists/*
 
 # Cài Node.js 20
 RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
@@ -40,6 +38,9 @@ RUN mkdir -p /data/zones && chown -R user:user /data
 # Mở port 7860 (mặc định HF Spaces)
 EXPOSE 7860
 
+# Cho phép user ghi resolv.conf để sửa DNS khi khởi động
+RUN chmod 666 /etc/resolv.conf
+
 USER user
 
-CMD ["python", "app.py"]
+CMD ["sh", "-c", "printf 'nameserver 1.1.1.1\nnameserver 8.8.8.8\n' > /etc/resolv.conf && python app.py"]