Question

Ngninx not working with Socket.io and ssl

Posted November 3, 2019 1.5k views
Nginx

I have been trying to get nginx to play well with socket.io and my ssl configuration for a while. I can get to my site perfectly fine (over https) and everything functions properly except for the socket.io communication and when I open the debugging console I don’t see any WS available or running. My config file is like this:

server {

    listen [::]:80;
    listen 80;

    server_name www.mywebsite.com;
    access_log  /var/log/nginx/access.log;

    proxy_set_header X-Forwarded-Proto $scheme;
        if ( $http_x_forwarded_proto != 'https' ) {
        return 301 https://$host$request_uri;
    }

    location / {
        proxy_pass http://127.0.0.1:8000;
        include proxy_params;
    }

    location /socket.io/ {
        include proxy_params;
        proxy_http_version 1.1;
        proxy_cache_bypass $http_upgrade;
        proxy_buffering off;
        proxy_set_header Host $host;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_pass http://127.0.0.1:8000/socket.io/;
    }
}

and my app is running with flask/gunicorn:

gunicorn –timeout=300 -k geventwebsocket.gunicorn.workers.GeventWebSocketWorker -w 1 app:app

Any help would be greatly appreciated!

edited by MattIPv4

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1 answer

Hello, @ecda909

May I ask if you have checked our tutorial on how to server flash applications with gunicorn and Nginx:

https://www.digitalocean.com/community/tutorials/how-to-serve-flask-applications-with-gunicorn-and-nginx-on-ubuntu-18-04

If you’re not running Ubuntu 18.04 you can choose a different distro from here: https://www.digitalocean.com/community/tutorial_collections/83

Hope this helps. Let me know how it goes.

Regards,
Alex

by Justin Ellingwood
by Kathleen Juell
In this guide, you will build a Python application using the Flask microframework on Ubuntu 18.04. The bulk of this article will be about how to set up the Gunicorn application server and how to launch the application and configure Nginx to act as a front-end reverse proxy.
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