10. Enable Gatsby incremental builds in Netlify

Configuration

This note is about enabling the incremental builds feature released by Gatsby team couple of months back in Netlify.

I followed this article and below are the steps I did:

1. Enable the plugin

Created a new file netlify.toml in root and added following content to it.

[[plugins]]
  package = "netlify-plugin-gatsby-cache"

This enables the said plugin in the build process in Netlify.

2. Add flag

Added the following flag to the build command in package.json

"build": "GATSBY_EXPERIMENTAL_PAGE_BUILD_ON_DATA_CHANGES=true gatsby build --log-pages"

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Issues

> Issue 1

It didn't work, So i updated the build command on Netlify website

> Issue 2

then I found below in the logs

Its a known issue that the plugin doesn't work for preview deploys, at the time of writing this note.
(GitHub Issue: https://github.com/jlengstorf/netlify-plugin-gatsby-cache/issues/22)

But on production deploys, the plugin seems to find the cache perfectly fine.

We'll see how today's configuration unfolds with future builds.

Till next time! ✌️

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This GitHub commit represents what we've done in this post 🤩