Add commenting system

Expected

Visitors can leave comments and interactions happen, then the community will get the fever!

Actual

No commenting, no life.

How to achieve?

Add Disqus somehow, using disqus-react for instance.

Pros

• It's free for basic use cases
• Full of functions

Cons

• Difficult to arrange styles
• A bit heavy
• Some issues on privacy (?)

Resources

• Gatsbyにコメント機能を追加 by using Disqus (Google Cache)

• Add Disqus comments to a Gatsby blog