[RUBY] Install Rails on macOS Catalina

Introduction

How to install Rails on macOS Catalina. Please refer to it when setting up in a local environment such as Rails tutorial.

Prerequisites

Installation procedure

  1. Install Command line tools from the terminal: 　xcode-select --install
  2. Install Homebrew: 　/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
  3. Install rbenv: 　brew update 　brew install rbenv 　echo 'eval "$(rbenv init -)"' >> ~/.zshrc 　source ~/.zshrc
  1. Install Ruby using rbenv: 　rbenv install 2.7.0
  2. Set default Ruby: 　rbenv global 2.7.0
  3. Install the required software: 　brew install yarn
  4. Rails installation: 　gem install rails -v 5.1.6

reference

Rails Girls Installation Recipe

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