Update Dockerfile

Dockerfile

@@ -6,18 +6,19 @@ RUN useradd -m -u 1000 user
 # Set working directory
 WORKDIR /app
 RUN mkdir -p /app/static/plots && chown -R user:user /app/static
-# Copy dependencies
-COPY --chown=user requirements.txt requirements.txt
+
+# Copy dependencies and install
+COPY --chown=user requirements.txt .
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-# Copy the entire project
+# Copy the full app
 COPY --chown=user . .
 
-# Set the user
+# Switch to non-root user
 USER user
 
-# Expose the port used by Flask
+# Expose port Hugging Face expects
 EXPOSE 7860
 
-# Run the Flask app
-CMD ["python", "app.py"]
+# Run Flask app using Gunicorn on port 7860
+CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]