전제 조건

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

# To create the file
vim ~/.zshrc
# :w to save it.

루비 설치

brew install rbenv ruby-build

echo 'if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi' >> ~/.zshrc

source ~/.zshrc

rbenv install 3.1.2

rbenv global 3.1.2

source .zshrc

ruby -v

레일 설치

gem install rails

rbenv rehash

rails -v

새 레일 프로젝트를 생성하고 실행합니다.

rails new proyect-name

Note: As default rails use the SQLite database when a new project is created, we can use our own databases, such as , PostgreSQL, MongoDB, etc. And we can set it by typing:

rails new proyect-name mysql

rails db:create

Note: If we a database with password, we have to configured the file config/database.yml, and change the data from the user (for developer purposes root) and the password. So by making saving this changes we use rails db:create

rails server