Update Dockerfile

Dockerfile

@@ -1,17 +1,17 @@
-# Use an official Python runtime as a parent image
+# Use official Python image
 FROM python:3.9
 
 # Set the working directory in the container
 WORKDIR /app
 
-# Copy the current project files into the container
+# Copy project files to the container
 COPY . /app
 
 # Install dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Expose the port Flask runs on
+# Expose the port the app runs on
 EXPOSE 7860
 
-# Run the Flask app
-CMD ["python", "app.py"]
+# Start the app using Gunicorn
+CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:app"]