Update Dockerfile

Dockerfile

@@ -1,27 +1,13 @@
-# Use Python 3.11.7
-FROM python:3.11.7-slim
+FROM python:3.9
 
-ENV PYTHONDONTWRITEBYTECODE=1
-ENV PYTHONUNBUFFERED=1
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
 
 WORKDIR /app
 
-# Install OS dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
-    && rm -rf /var/lib/apt/lists/*
+COPY --chown=user ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-# Copy dependency list
-COPY requirements.txt .
-
-# Install Python dependencies
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy entire project
-COPY . .
-
-# Expose port required by HuggingFace
-EXPOSE 7860
-
-# Run Flask app on 0.0.0.0:7860 (HF requirement)
-CMD ["python", "app.py"]
+COPY --chown=user . /app
+CMD ["gunicorn", "app:app", "-b", "0.0.0.0:7860"]