Git deployment for Ruby on Rails applications in production

post-receive

#!/bin/sh

APP_PATH=/var/www/app

# Production environment
export RAILS_ENV="production"

exit_with_error(){
	echo "---> An Error Has Occurred!"
}

echo "---> Receiving push"
git --work-tree=/var/www/app --git-dir=/var/repositories/app.git checkout -f

echo "---> Changing directory to the application path"
cd ${APP_PATH}

echo "---> Compiling assets"
bundle exec rake assets:precompile

echo "---> Installing gems via bundler"
bundle install --deployment --without development test --path APP_PATH || exit_with_error
echo "---> Migrating database"
bundle exec rake db:migrate || exit_with_error
echo "---> Restart App"
restart app
echo "---> Done"