Update Dockerfile

Dockerfile

@@ -1,16 +1,23 @@
-# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
-# you will also find guides on how best to write your Dockerfile
+# Use the official Python slim image for a smaller footprint
+FROM python:3.11-slim
 
-FROM python:3.11
+# Set working directory
+WORKDIR /app
+
+# Copy requirements and install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the Flask app code
+COPY . .
 
+# Create a non-root user for security (Hugging Face requirement)
 RUN useradd -m -u 1000 user
 USER user
-ENV PATH="/home/user/.local/bin:$PATH"
-
-WORKDIR /app
+ENV HOME=/home/user PATH=/home/user/.local/bin:$PATH
 
-COPY --chown=user ./requirements.txt requirements.txt
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
+# Expose port 7860 (required by Hugging Face)
+EXPOSE 7860
 
-COPY --chown=user . /app
-CMD ["flask", "run", "--port=7860"]
+# Run the Flask app with Gunicorn
+CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]