Update Dockerfile

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@@ -16,7 +16,7 @@ WORKDIR /app
 # Install Python dependencies in correct order
 RUN pip install --no-cache-dir --upgrade pip && \
     # Install numpy<2 first for compatibility
-    pip install --no-cache-dir numpy && \
+    pip install --no-cache-dir 'numpy<2' && \
     # Install PyTorch and other core dependencies
     pip install --no-cache-dir \
         torch==2.1.0 \