README

This README would normally document whatever steps are necessary to get the application up and running.

Things you may want to cover:

Ruby version
System dependencies
Configuration
Database creation
Database initialization
How to run the test suite
Services (job queues, cache servers, search engines, etc.)
Deployment instructions
...

DB設計

users table

Column	Type	Options
name	string	null: false
email	string	null: false
kana_name	string	null: false
postal_code	integer	null: false
address1	string	null: false
address2	string	null: false
phone	integer	null: false

Associateion

has_many :porducts, through: :carts

products table

Column	Type	Options
name	string	null: false
category	string	null: false
price	integer	null: false
count	integer	null: false
description	text	null: false
image	string	null: false
product_code	integer	null: false

Association

has_many :users, through: :carts

carts table

Column	Type	Options
user_id	integer
product_id	integer

Associacion

belongs_to :user belongs_to :product