How To Install Refinery CMS (Ruby On Rails) On Ubuntu 18.04

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Refinery CMS, often shortened to Refinery, is a free and open-source content management system written in Ruby as a Ruby on Rails web application with jQuery used as the JavaScript library. Refinery CMS supports Rails 3.2 and Rails 4.2 and Rails 5.1.
Offcial Website: https://www.refinerycms.com/
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Our Server Specification-     
Os:Ubuntu 18.04 LTS Bionic Beaver 64Bit   |            IP address- 192.168.1.50                 | Hostname :www.yourdomain.com
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lsb_release -cd  ; getconf LONG_BIT ; whoami ; hostname -f ; hostname -I ; apt-get update ; apt install -y build-essential software-properties-common curl wget nano git net-tools lsb-release apt-transport-https

curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list

sudo apt-get update ; sudo apt-get install nodejs yarn zlib1g-dev build-essential libpq-dev libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev libffi-dev nodejs libpq-dev  mysql-client mysql-server libmysqlclient-dev linuxbrew-wrapper -y

cd ~/ ; git clone https://github.com/rbenv/rbenv.git ~/.rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
exec $SHELL

git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc
exec $SHELL
rbenv install 2.5.3
rbenv global 2.5.3
gem install bundler
rbenv rehash
gem install rails -v 5.2.1
rbenv rehash
gem update --system
gem install rdoc
brew install imagemagick

gem install refinerycms
refinerycms rickrockstar
cd rickrockstar/
rails server
http://localhost:3000/refinery
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