- Create a new application (or use existing one) at https://vk.com/apps?act=manage. (choose “Website” under Platform in the form for a new application.)
- Go to the application settings and note the app ID and Secure key.
- In your Discourse instance, go to Site Settings, filter by “VK” and enter the app ID and the Secure key.
- Check the “vk auth enabled” checkbox, and you’re done!
You should now see the button to login via VK: