By Neal Taparia - 12/29/2020
We've been working on some multiplayer capabilities for our classic card game site Solitaired, and have been exploring how to do this using Websockets.
Our stack is:
So, consider this the 2020 edition of how to get Websockets to work on Elastic Beanstalk with Node.js.
Before starting, first make sure:
Then, make a file in the
.ebextensions directory in your application root. Call it
Then paste the contents below to that file.
This is correct:
files: "/etc/nginx/conf.d/websockets.conf": content: | proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade";
Commit this file and deploy to Beanstalk. Voila.
Just for reference, here is the pre-2020 version of the file above.
Do not do it this way anymore:
container_commands: enable_websockets: command: | sed -i '/\s*proxy_set_header\s*Connection/c \ proxy_set_header Upgrade $http_upgrade;\ proxy_set_header Connection "upgrade";\ ' /tmp/deployment/config/#etc#nginx#conf.d#00_elastic_beanstalk_proxy.conf
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