Paste the comment code into post.hbs
Next, in your Ghost theme, locate the template file where you want to insert comments on your site. Usually post.hbs - right after the content. In Casper, Ghost’s default theme, you’ll see a line of code specifically reserved for inserting comments. This is where you’ll want to paste the Graphcomment code:
https://ghost.org/images/integrations/theme-comments-code.png
Make sure you remove the comments on line 65 and 69 Make sure you remove the comments on line 65 and 69
replace "<your_public_key>" by your own public key from the admin GraphComment.