How to install Ruby on Rails with rbenv on ubuntu 22.04?

You should follow those steps to deploy Ruby on Rails with rbenv on Ubuntu 22.04.:

1. Update Package Index: Before you begin, update your system’s package index with:
   sudo apt update

2. Install Dependencies: Install the necessary dependencies for Ruby:
   sudo apt install -y git curl libssl-dev libreadline-dev zlib1g-dev autoconf bison build-essential libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev

3. Install rbenv: Clone rbenv repository from GitHub:
   git clone https://github.com/rbenv/rbenv.git ~/.rbenv


   Then, add rbenv to your PATH:

   echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
source ~/.bashrc

4. Install Ruby-Build: Install ruby-build, which is a plugin for rbenv to help you compile and install Ruby:
   git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build

5. Install Ruby: Use rbenv to install the desired version of Ruby.
   For example, to install Ruby 3.0.3:
   rbenv install 3.0.3

6. Set Global Ruby Version: Once Ruby is installed, set it as the global version:
   rbenv global 3.0.3

7. Install Rails: After installing Ruby, you can install Rails using the gem package manager:
   gem install rails

8. Verify Installation: Verify that Rails has been installed correctly by checking the version:
   rails --version

9. Initialize Rails App (Optional): If you want to create a new Rails application, you can do so using the following command:
   rails new myapp


Replace “myapp” with the name you want for your Rails application.

And that’s it! On Ubuntu 22.04, you have successfully installed Ruby on Rails using rbenv.