ConnectionRefusedError doest not reject connection · Issue #1279 · miguelgrinberg/Flask-SocketIO · GitHub
![Python with Flask and PostgreSQL: "Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 5432?" - Breanne Boland Python with Flask and PostgreSQL: "Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 5432?" - Breanne Boland](http://breanneboland.com/wp-content/uploads/2015/08/Screen-Shot-2015-08-13-at-1.57.18-PM.png)
Python with Flask and PostgreSQL: "Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 5432?" - Breanne Boland
Nginx refused to connect and showing bad gateway error. · Issue #225 · tiangolo/uwsgi-nginx-flask-docker · GitHub
ERR_CONNECTION_REFUSED With Flask App--Gunicorn and NGINX · Issue #462 · nginxinc/docker-nginx · GitHub
![ERR_CONNECTION_REFUSED With Flask App--Gunicorn and NGINX · Issue #462 · nginxinc/docker-nginx · GitHub ERR_CONNECTION_REFUSED With Flask App--Gunicorn and NGINX · Issue #462 · nginxinc/docker-nginx · GitHub](https://user-images.githubusercontent.com/19520214/96704333-7f297900-1383-11eb-954f-edbe957d0f42.png)
ERR_CONNECTION_REFUSED With Flask App--Gunicorn and NGINX · Issue #462 · nginxinc/docker-nginx · GitHub
![python - server connection difficulty with flask.py file running inside a docker container - Stack Overflow python - server connection difficulty with flask.py file running inside a docker container - Stack Overflow](https://i.stack.imgur.com/pHmG2.jpg)