Speed up deploys by caching your previous build cache, so you only need to build changed files (and any other cached assets)
Add the plugin as a development dependency:
npm install -D netlify-plugin-persist-cache
OR
yarn add --dev netlify-plugin-persist-cache
Add the following to your netlify.toml:
[[plugins]]
package = "netlify-plugin-persist-cache"
[plugins.inputs]
source = "/output"
cacheFolder = ".bridgetown-cache"
source need only be set if it is not the root of your repository and cacheFolder is relative to the source.