Update Dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.10 
+FROM python:3.10
 # Use a Python version compatible with your packages
 
 WORKDIR /app
@@ -17,4 +17,5 @@ COPY app.py .
 # Command to run your Flask application using a production-ready WSGI server like Gunicorn
 # This assumes your Flask application instance is named 'app' in 'app.py'
 # It binds to the PORT environment variable provided by the hosting environment.
-CMD exec gunicorn --bind 0.0.0.0:$PORT --workers 1 --threads 8 --timeout 0 app:app
+# Provide a default port (e.g., 7860) if the PORT environment variable is not set.
+CMD exec gunicorn --bind 0.0.0.0:${PORT:-7860} --workers 1 --threads 8 --timeout 0 app:app