Learn how to connect Disqus comment to Gridea.
Sign up and log in to the Disqus system, then create a new site.
Select the site you created in step 1 and go to Settings.
Set your Website URL to match the domain in Gridea, and copy the Shortname.
Return to Gridea, navigate to Website -> Setting -> Service integration -> Disqus, paste the "Shortname" that you copied in step 3 and save your changes.
Now you can go to any post details page on your website to view and use the comments!