How To Install Ruby on Rails with Mysql on Rocky Linux 8.5

in This Tutorial you will Learn " How To Install Ruby on Rails with Mysql on Rocky Linux 8.5"
Or
How To Use MySQL With Ruby On Rails Application ?

Ruby on Rails or RoR or Rails is a free and open-source web application framework written in Ruby with the MIT License. It is a full-stack web framework that uses the model-view-controller (MVC) pattern.
The Rails web framework provides structures for a database, web service, and web pages. Also, Rails includes some important tools such as scaffolding, Puma, Gems, etc.
MySQL is an open-source relational database management system.
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Server - Os: Rocky Linux 8.5 64Bit | IP -192.168.1.20 | Hostname - www.primaryhost.com
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cat /etc/system-release ; sestatus ; hostname ; hostname -I ; dnf groupinstall "Development Tools" -y
curl -sSL https://rvm.io/mpapis.asc | gpg2 --import - && curl -sSL https://rvm.io/pkuczynski.asc | gpg2 --import -

curl -L get.rvm.io | bash -s stable
source /etc/profile.d/rvm.sh
rvm reload ; rvm requirements run
rvm install ruby
dnf module enable nodejs:14
dnf install nodejs npm -y
npm install -g yarn
echo "export PATH=$PATH:/usr/local/bin" >> ~/.bashrc
source ~/.bashrc
gem install rails
rails --version ; node --version

nano /etc/yum.repos.d/mariadb.repo
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.6/rhel8-amd64
module_hotfixes=1
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
dnf update ; dnf install mariadb-server mariadb mysql-devel -y

systemctl start mariadb ; systemctl enable mariadb ; systemctl status mariadb
mariadb-secure-installation
rails new appname -d mysql
nano /root/appname/config/database.yml
password: mysql_root_password

mysql -u root -p
show databases;
cd appname/
rake db:create
rails server
rails server --binding=server_public_IP | rails server -b 0.0.0.0 | rails server -b 0.0.0.0 -p 8080
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