Update Dockerfile

Dockerfile

@@ -1,11 +1,52 @@
+# Nexus-Core Inference Engine
+# Optimized for HF Spaces CPU (2 vCPU, 16GB RAM)
+
 FROM python:3.10-slim
+
 WORKDIR /app
-RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
+
+# System dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Python dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
+
+# Create directory structure
+RUN mkdir -p /app/models /app/engine /app/utils
+
+# Copy application code
 COPY app.py .
 COPY engine/ ./engine/
+COPY utils/ ./utils/
+
+# Download Nexus-Core model from HuggingFace
+RUN python -c "from huggingface_hub import hf_hub_download; \
+    hf_hub_download( \
+        repo_id='GambitFlow/Nexus-Core', \
+        filename='nexus-core.onnx', \
+        local_dir='/app/models', \
+        local_dir_use_symlinks=False \
+    )"
+
+# Verify model
+RUN ls -lh /app/models/nexus-core.onnx
+
+# Expose port
 EXPOSE 7860
+
+# CPU optimization
 ENV PYTHONUNBUFFERED=1
 ENV OMP_NUM_THREADS=2
+ENV MKL_NUM_THREADS=2
+ENV OPENBLAS_NUM_THREADS=2
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:7860/health || exit 1
+
+# Run
 CMD ["python", "app.py"]