Ruby on Rails开发：将数据库配置为mysql

使用git进行版本控制
登陆注册功能优先

abstract：
将数据库配置为mysql

安裝MySQL

1. 安装mysql

$ sudo apt-get install mysql-server mysql-common mysql-client libmysqlclient-dev

2. 安裝MySQL Adapter
$ gem install mysql2

3. 修改Gemfile加上
gem 'mysql2', "~> 0.3.20"

4. 修改config/database.yml設定檔。

default: &default
  adapter: mysql2
  pool: 5
  timeout: 5000
  username: root
  password: ××××
  socket: /var/run/mysqld/mysqld.sock

development:
  <<: *default
  database: db/development.mysql2

test:
  <<: *default
  database: db/test.mysql2

production:
  <<: *default
  database: db/production.mysql2

5. 创建 database in MySQL
$ bin/rake db:create db:migrate
或
rake db:create