From 2.2 to 2.3 - Hopebaytech/gitlabhq GitHub Wiki
1. Update code & db
# Get latest code
git pull origin stable
# Install libs
bundle install --without development test
# update db
bundle exec rake db:migrate RAILS_ENV=production
# Update hooks
bundle exec rake update_hooks RAILS_ENV=production
2. Restart web server
3. Restart (or start) Resque
./resque.sh