added gunicorn

Dockerfile

@@ -15,4 +15,4 @@ RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
 COPY . .
 
-CMD ["python app.py", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["gunicorn", "-b", "0.0.0.0:7860", "main:app"]

app.py

@@ -235,7 +235,7 @@ def hometest():
         session['tbl_selected'] = request.form.getlist('tbl_selected')
         return redirect(url_for('data'))
 
-if __name__ == '__main__':
-    app.run(debug=True)
+# if __name__ == '__main__':
+#     app.run(debug=True)
     # from waitress import serve
     # serve(app, host="0.0.0.0")

requirements.txt

@@ -11,4 +11,4 @@ SQLAlchemy==1.4.42
 urllib3==1.26.14
 waitress==2.1.2
 tabulate==0.9.0
-uvicorn
+gunicorn