Ruby on Railsの環境構築をしてみた

1$ brew install rbenv

1$ rbenv -v

1[[ -d ~/.rbenv  ]] && \
2  export PATH=${HOME}/.rbenv/bin:${PATH} && \
3  eval "$(rbenv init -)"

1$ rbenv install --list

1$ rbenv install 2.6.5

1$ rbenv global 2.5.4
2$ rbenv rehash
3$ ruby -v

1$ gem install bundler

1$ bundle -v

1$ brew install mysql

1$ brew tap homebrew/services
2$ brew services start mysql

1$ mkdir ruby
2$ cd ruby

1$ bundle init

1gem "rails"　#コメントを外す
2gem 'mysql2','~>0.5.2'
3gem 'dotenv-rails'

1$ bundle install

1$ bundle config --local build.mysql2 "--with-ldflags=-L/usr/local/opt/openssl/lib"
2$ bundle install
3$ bundle list

1$ rails new test -d mysql
2$ cd test

1default: &default
2  adapter: mysql2
3  encoding: utf8mb4
4  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
5  username: <%= ENV['DATABASE_DEV_USER'] %>
6  password: <%= ENV['DATABASE_DEV_PASSWORD'] %>
7  host: <%= ENV['DATABASE_DEV_HOST'] %> 
8  socket: /tmp/mysql.sock
9
10development:
11  <<: *default
12  database: <%= ENV['DATABASE_DEV_NAME'] %>
13
14# Warning: The database defined as "test" will be erased and
15# re-generated from your development database when you run "rake".
16# Do not set this db to the same as development or production.
17test:
18  <<: *default
19  database:  <%= ENV['DATABASE_TEST_NAME'] %>

1$ touch .env
2$ vim .env

1DATABASE_DEV_PASSWORD = 'パスワード'
2DATABASE_DEV_USER = 'ユーザ名'
3DATABASE_DEV_HOST = 'ホスト名'
4DATABASE_DEV_NAME = 'test_dev'
5DATABASE_TEST_NAME = 'test_test'

1$ rails db:create

1$ rails s

1http:localhost:3000