dockerfile modification"

Dockerfile

@@ -1,27 +1,34 @@
-# 1. Use even smaller base image
-FROM python:3.11-slim AS base
+# 1. Use Hugging Face recommended Python image
+FROM python:3.9
 
-# 2. Set working directory
+# 2. Create non-root user (required by Hugging Face Spaces)
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+# 3. Set working directory
 WORKDIR /app
 
-# 3. Install only essential system dependencies
-#    --no-install-recommends avoids extra packages
+# 4. Install essential system dependencies
+#    - switched to root temporarily
+USER root
 RUN apt-get update && \
     apt-get install -y --no-install-recommends gcc libpq-dev && \
     rm -rf /var/lib/apt/lists/*
+USER user
 
-# 4. Copy requirements first for caching
-COPY requirements.txt .
+# 5. Copy requirements first for caching
+COPY --chown=user requirements.txt .
 
-# 5. Upgrade pip & install Python deps with no cache
+# 6. Upgrade pip & install Python dependencies
 RUN python -m pip install --upgrade pip \
     && pip install --no-cache-dir -r requirements.txt
 
-# 6. Copy app code
-COPY . .
+# 7. Copy the rest of the app code
+COPY --chown=user . .
 
-# 7. Expose default FastAPI port (Uvicorn)
-EXPOSE 8000
+# 8. Expose Hugging Face default port
+EXPOSE 7860
 
-# 8. Run Uvicorn directly (better than python main.py)
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]
+# 9. Run Uvicorn server for FastAPI app
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]