git clone https://github.com/rbenv/rbenv.git ~/.rbenv

For .bashrc:

echo 'eval "$(~/.rbenv/bin/rbenv init - bash)"' >> ~/.bashrc

For .bash_profile:

echo 'eval "$(~/.rbenv/bin/rbenv init - bash)"' >> ~/.bash_profile

For ZSH:

echo 'eval "$(~/.rbenv/bin/rbenv init - zsh)"' >> ~/.zshrc

Add to your .bashrc/.bash_profile/.zshrc

eval "$(rbenv init -)"

restart terminal

git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build

brew install [email protected] readline libyaml gmp

rbenv install 3.2.1 --verbose rbenv global 3.2.1 gem install rails

bundle install

./bin/dev