Update steps for publishing to mapstruct.org

content/development/updating-mapstructorg.md

@@ -30,12 +30,6 @@ git clone git@github.com:mapstruct/mapstruct.org.git
 git remote rename origin upstream
 {{< /prettify >}}
 
-Set up a tracking branch for the "gh-pages" branch:
-
-{{< prettify >}}
-git fetch upstream && git branch --track gh-pages upstream/gh-pages
-{{< /prettify >}}
-
 ## Local preview
 
 Hugo comes with a built-in server for previewing the web site locally. Start it by running:
@@ -78,11 +72,11 @@ The [team page](/development/team) is a data-driven page. If you want to be list
 
 ## Publishing to mapstruct.org
 
-The web site is generated by running the `hugo` command. This generates the HTML pages in the _public_ directory. The contents of that directory then needs to be synchronized with the "upstream/gh-pages" branch.
-
-To make publication as smooth as possible, the script _scripts/publish.sh_ is taking care of the regeneration. It removes any existing contents from _public_, calls `hugo` and afterwards removes some generated files which are not needed.
+The website is automatically published for every commit to master via [this GitHub Workflow](https://github.com/mapstruct/mapstruct.org/actions?query=workflow%3A%22GitHub+Pages%22).
+The workflow generates the HTML with the `hugo` command in the _public_ directory.
+The contents of that directory are then pushed to the "gh-pages" branch of the website repository.
 
-For synchronizing _public_ with the local "gh-pages" branch the script creates a git worktree with the "gh-pages" branch in _public_ and commits the generated files into the "gh-pages" branch. You then only need to push that branch to upstream.
+To make publication as smooth as possible, the script _scripts/generate-site.sh_ is taking care of the regeneration. It calls `hugo` and afterwards removes some generated files which are not needed.
 
 A typical editing process will look like this (assuming you start on the master directory):
 
@@ -93,11 +87,9 @@ git merge upstream/master
 
 # do your changes...
 
-# commit; then re-generate and update gh-pages
+# commit
 git commit -a -m "Some website change"
-./scripts/publish.sh
 
 # deploy
-git push upstream gh-pages
 git push upstream master
 {{< /prettify >}}