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Before you can use Feathermost, the admin of your Mattermost servers must set up CORS appropriately. If this is not possible, you can use a CORS puncturing proxy, such as the mitmproxy setup provided for development (see below).


Dependencies: none.

To run in development mode, execute rundev.sh. This will start a web server, and mitmproxy to avoid CORS problems. Dependencies for that: Bash, Python and mitmproxy.

Then open http://localhost:8000/ in your browser.