This plugin will helps you to trigger a build of Gatsby at the time of post/page save or updates with different types.

Export WordPress content to Markdown for GatsbyJS.

Once you take the head off of WordPress, nobody needs to see it. This plugin hides the front end by redirecting to the shiny static (etc) site.

Set Advanced Custom Fields (ACF) empty field value as null instead of false to avoid GraphQL error in GatsbyJS.