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The PatternFly Org is the source for the official documentation for PatternFly 3 and PatternFly 4.


Development setup requires yarn. If you do not already have yarn installed on your system, see

Live Reload Server

A local Gatsby development server can be started with:

yarn start

Takes 1m26s to load http://localhost:8003 on a 2015 Macbook.

An old grunt development server can be with:

yarn start:v3

Takes 13s to load http://localhost:9002 on a 2015 Macbook.


Install the Gatsby site dependencies and build it using yarn:

yarn install
yarn build:v4

Takes 38s to install + 3m18s to build. Subsequent runs with cache take 1m10s on a 2015 Macbook.

You can build the old /v3 Jekyll site using yarn:

yarn install
yarn build:v3

Takes 13s on a 2015 Macbook.


When you submit a PR, previews should be automatically generated for you and uploaded as PR comments. This takes between 5-10 minutes.

When the PR is merged to master, the site is first deployed to a staging S3 bucket.

When PatternFly does a release (currently every 3 weeks) this bucket is copied to

Old submodules

You might have a dirty file tree with old submodules and folders lying around. You can remove these with:

git clean -dfx 
You can’t perform that action at this time.