Update docs based on customer upgrade from 4.0 [ci skip]

1 files changed, 16 insertions, 0 deletions

diff --git a/doc/update/5.4-to-6.0.md b/doc/update/5.4-to-6.0.md
index d9c6d9bfb91..f0fee634322 100644
--- a/doc/update/5.4-to-6.0.md
+++ b/doc/update/5.4-to-6.0.md
@@ -73,12 +73,28 @@ sudo apt-get install python-docutils
 ```bash
 cd /home/git/gitlab
 
+# The Modernizr gem was yanked from RubyGems. It is required for GitLab >= 2.8.0
+# Edit `Gemfile` and change `gem "modernizr", "2.5.3"` to
+# `gem "modernizr-rails", "2.7.1"``
+sudo -u git -H vim Gemfile
+
 # MySQL
+
+# Run a bundle install without deployment to generate the new Gemfile
+sudo -u git -H bundle install --without development test postgres --no-deployment
+
+# Install libs (with deployment this time)
 sudo -u git -H bundle install --without development test postgres --deployment
 
 # PostgreSQL
+
+# Run a bundle install without deployment to generate the new Gemfile
+sudo -u git -H bundle install --without development test mysql --no-deployment
+
+# Install libs (with deployment this time)
 sudo -u git -H bundle install --without development test mysql --deployment
 
+# Both MySQL and PostgreSQL
 sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production
 sudo -u git -H bundle exec rake migrate_groups RAILS_ENV=production
 sudo -u git -H bundle exec rake migrate_global_projects RAILS_ENV=production