Update Dockerfile

Dockerfile

@@ -1,23 +1,27 @@
 # Use an official lightweight Python image
 FROM python:3.11-slim
 
-# Set the working directory inside the container
-WORKDIR /app
+# Create a non-root user (Required by Hugging Face Spaces)
+RUN useradd -m -u 1000 user
+USER user
 
-# Copy the requirements file first to leverage Docker cache
-COPY requirements.txt .
+# Set environment variables
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH \
+    PYTHONUNBUFFERED=1
 
-# Install dependencies
+# Set the working directory
+WORKDIR $HOME/app
+
+# Copy requirements and install them
+COPY --chown=user requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy the rest of your application code
-COPY . .
+COPY --chown=user . .
 
-# Expose port 7860
+# Hugging Face routes traffic to port 7860
 EXPOSE 7860
 
-# Set environment variables so Python outputs straight to the terminal
-ENV PYTHONUNBUFFERED=1
-
-# Command to run your attendance system
-CMD ["python", "app.py"]
+# Run the application using Gunicorn 
+CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app"]