[RUBY] Rails6 development environment construction [Mac]


This is a remarks of the procedure performed when building the development environment for Rails 6 using Mac.


1. Install Homebrew

** A system that manages software installation and uninstallation ** https://brew.sh/index_ja スクリーンショット 2020-05-24 15.52.20.png Copy the command at the bottom of Install Homebrew and run it in the terminal

$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

You will be asked for a password, so enter the password when you start your Mac

Next, enter the following command and execute it to pass the Homebrew path.

$ echo ‘export PATH=/usr/local/bin:$PATH’ >> .bash_profile source .bash_profile

Finally, execute the following command for confirmation

$ brew ­-v

Homebrew ○.○.○ If the version is displayed like

2. Install rbenv

** Tool to switch Ruby version control ** Install using Homebrew

#Initial setting
$ echo 'eval "$(rbenv init -)"' >> ~/.bash_profile

#Reflect the initial settings
$ source ~/.bash_profile

#Install rbenv
$ brew install rbenv ruby-build

#Ruby version list display
$ rbenv install -l

#Install the specified Ruby version
$ rbenv install 2.7.1

#Run and make it available when you install a new Ruby or gem
$ rbenv rehash

Ruby version to use

$ rbenv global 2.7.1

3. Install Bundler

** A tool for managing gem dependencies and versions **

$ gem install bundler

4. Install Rails

$ gem install rails

5. Yarn installation

Required for installing webpacker

brew install yarn

6. Install webpacker

Since webpacker has become a standard specification from Rails6, it is necessary to install yarn.

$ rails webpacker:install

7. Operation check

#Create a Rails project
$ rails new sample

#Go to Rails project
$ cd sample

#Launch a Rails project
$ rails server

http://localhost:3000/ Complete if the Rails page can be displayed

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