読者コミュニティ｜【実践 Ruby on Rails】Stripe を使って EC サイトを作ろう（Rails 7 対応）

Rails.application.routes.draw do
  # devise_for :customers
  # devise_for :admins

  devise_for :admins, controllers: {
    sessions: 'admin/sessions'
  }
  devise_for :customers, controllers: {
    sessions: 'customer/sessions',
    registrations: 'customer/registrations'
  }
  root to: 'pages#home'
  get '/up/', to: 'up#index', as: :up
  get '/up/databases', to: 'up#databases', as: :up_databases

  # Sidekiq has a web dashboard which you can enable below. It's turned off by
  # default because you very likely wouldn't want this to be available to
  # everyone in production.
  #
  # Uncomment the 2 lines below to enable the dashboard WITHOUT authentication,
  # but be careful because even anonymous web visitors will be able to see it!
  # require "sidekiq/web"
  # mount Sidekiq::Web => "/sidekiq"
  #
  # If you add Devise to this project and happen to have an admin? attribute
  # on your user you can uncomment the 4 lines below to only allow access to
  # the dashboard if you're an admin. Feel free to adjust things as needed.
  # require "sidekiq/web"
  # authenticate :user, lambda { |u| u.admin? } do
  #   mount Sidekiq::Web => "/sidekiq"
  # end

  # Learn more about this file at: https://guides.rubyonrails.org/routing.html
end

.
├── .git
│   ├── hooks
│   │   ├── applypatch-msg.sample
│   │   ├── commit-msg.sample
│   │   ├── fsmonitor-watchman.sample
│   │   ├── post-update.sample
│   │   ├── pre-applypatch.sample
│   │   ├── pre-commit.sample
│   │   ├── pre-merge-commit.sample
│   │   ├── pre-push.sample
│   │   ├── pre-rebase.sample
│   │   ├── pre-receive.sample
│   │   ├── prepare-commit-msg.sample
│   │   ├── push-to-checkout.sample
│   │   └── update.sample
│   ├── info
│   │   └── exclude
│   ├── logs
│   │   ├── refs
│   │   │   ├── heads
│   │   │   │   └── main
│   │   │   └── remotes
│   │   │       └── origin
│   │   │           └── main
│   │   └── HEAD
│   ├── objects
│   │   ├── 00

│   │   ├── info
│   │   └── pack
│   ├── refs
│   │   ├── heads
│   │   │   └── main
│   │   ├── remotes
│   │   │   └── origin
│   │   │       └── main
│   │   └── tags
│   ├── COMMIT_EDITMSG
│   ├── config
│   ├── description
│   ├── HEAD
│   └── index
├── .github
│   ├── docs
│   │   └── screenshot.jpg
│   └── workflows
│       └── ci.yml
├── app
│   ├── assets
│   │   ├── builds
│   │   │   ├── .keep
│   │   │   ├── application.css
│   │   │   ├── application.js
│   │   │   └── application.js.map
│   │   ├── config
│   │   │   └── manifest.js
│   │   ├── images
│   │   │   ├── .keep
│   │   │   └── ruby-on-rails.png
│   │   └── stylesheets
│   │       └── application.tailwind.css
│   ├── channels
│   │   └── application_cable
│   │       ├── channel.rb
│   │       └── connection.rb
│   ├── controllers
│   │   ├── admin
│   │   │   ├── confirmations_controller.rb
│   │   │   ├── omniauth_callbacks_controller.rb
│   │   │   ├── passwords_controller.rb
│   │   │   ├── registrations_controller.rb
│   │   │   ├── sessions_controller.rb
│   │   │   └── unlocks_controller.rb
│   │   ├── concerns
│   │   │   └── .keep
│   │   ├── customer
│   │   │   ├── confirmations_controller.rb
│   │   │   ├── omniauth_callbacks_controller.rb
│   │   │   ├── passwords_controller.rb
│   │   │   ├── registrations_controller.rb
│   │   │   ├── sessions_controller.rb
│   │   │   └── unlocks_controller.rb
│   │   ├── application_controller.rb
│   │   ├── pages_controller.rb
│   │   └── up_controller.rb
│   ├── helpers
│   │   ├── application_helper.rb
│   │   └── pages_helper.rb
│   ├── javascript
│   │   ├── controllers
│   │   │   ├── .keep
│   │   │   ├── application.js
│   │   │   └── index.js
│   │   └── application.js
│   ├── jobs
│   │   └── application_job.rb
│   ├── mailers
│   │   └── application_mailer.rb
│   ├── models
│   │   ├── concerns
│   │   │   └── .keep
│   │   ├── admin.rb
│   │   ├── application_record.rb
│   │   └── customer.rb
│   ├── views
│   │   ├── admin
│   │   │   ├── confirmations
│   │   │   │   └── new.html.erb
│   │   │   ├── mailer
│   │   │   │   ├── confirmation_instructions.html.erb
│   │   │   │   ├── email_changed.html.erb
│   │   │   │   ├── password_change.html.erb
│   │   │   │   ├── reset_password_instructions.html.erb
│   │   │   │   └── unlock_instructions.html.erb
│   │   │   ├── passwords
│   │   │   │   ├── edit.html.erb
│   │   │   │   └── new.html.erb
│   │   │   ├── registrations
│   │   │   │   ├── edit.html.erb
│   │   │   │   └── new.html.erb
│   │   │   ├── sessions
│   │   │   │   └── new.html.erb
│   │   │   ├── shared
│   │   │   │   ├── _error_messages.html.erb
│   │   │   │   └── _links.html.erb
│   │   │   └── unlocks
│   │   │       └── new.html.erb
│   │   ├── customer
│   │   │   ├── confirmations
│   │   │   │   └── new.html.erb
│   │   │   ├── mailer
│   │   │   │   ├── confirmation_instructions.html.erb
│   │   │   │   ├── email_changed.html.erb
│   │   │   │   ├── password_change.html.erb
│   │   │   │   ├── reset_password_instructions.html.erb
│   │   │   │   └── unlock_instructions.html.erb
│   │   │   ├── passwords
│   │   │   │   ├── edit.html.erb
│   │   │   │   └── new.html.erb
│   │   │   ├── registrations
│   │   │   │   ├── edit.html.erb
│   │   │   │   └── new.html.erb
│   │   │   ├── sessions
│   │   │   │   └── new.html.erb
│   │   │   ├── shared
│   │   │   │   ├── _error_messages.html.erb
│   │   │   │   └── _links.html.erb
│   │   │   └── unlocks
│   │   │       └── new.html.erb
│   │   ├── layouts
│   │   │   ├── application.html.erb
│   │   │   ├── mailer.html.erb
│   │   │   └── mailer.text.erb
│   │   ├── pages
│   │   │   └── home.html.erb
│   │   └── .DS_Store
│   └── .DS_Store
├── bin
│   ├── docker-entrypoint-web
│   ├── rails
│   ├── rake
│   ├── rename-project
│   ├── setup
│   └── yarn
├── cable
│   └── config.ru
├── config
│   ├── environments
│   │   ├── development.rb
│   │   ├── production.rb
│   │   └── test.rb
│   ├── initializers
│   │   ├── assets.rb
│   │   ├── content_security_policy.rb
│   │   ├── devise.rb
│   │   ├── filter_parameter_logging.rb
│   │   ├── inflections.rb
│   │   ├── permissions_policy.rb
│   │   ├── rack_mini_profiler.rb
│   │   ├── redis.rb
│   │   └── sidekiq.rb
│   ├── locales
│   │   ├── devise.en.yml
│   │   └── en.yml
│   ├── .DS_Store
│   ├── application.rb
│   ├── boot.rb
│   ├── cable.yml
│   ├── database.yml
│   ├── environment.rb
│   ├── puma.rb
│   ├── routes.rb
│   ├── sidekiq.yml
│   ├── spring.rb
│   └── storage.yml
├── db
│   ├── migrate
│   │   ├── 20230110185440_devise_create_admins.rb
│   │   └── 20230110185533_devise_create_customers.rb
│   ├── schema.rb
│   └── seeds.rb
├── lib
│   ├── assets
│   │   └── .keep
│   └── tasks
│       └── .keep
├── log
│   └── .keep
├── public
│   ├── 502.html
│   ├── android-chrome-192x192.png
│   ├── android-chrome-512x512.png
│   ├── apple-touch-icon.png
│   ├── browserconfig.xml
│   ├── favicon-16x16.png
│   ├── favicon-32x32.png
│   ├── favicon.ico
│   ├── maintenance.html
│   ├── mstile-150x150.png
│   ├── robots.txt
│   ├── safari-pinned-tab.svg
│   └── site.webmanifest
├── storage
│   └── .keep
├── test
│   ├── channels
│   │   └── application_cable
│   │       └── connection_test.rb
│   ├── controllers
│   │   ├── .keep
│   │   ├── pages_controller_test.rb
│   │   └── up_controller_test.rb
│   ├── fixtures
│   │   └── files
│   │       └── .keep
│   ├── helpers
│   │   └── .keep
│   ├── integration
│   │   └── .keep
│   ├── mailers
│   │   └── .keep
│   ├── models
│   │   └── .keep
│   ├── system
│   │   └── .keep
│   ├── application_system_test_case.rb
│   └── test_helper.rb
├── tmp
│   ├── cache
│   │   ├── assets
│   │   │   └── sprockets
│   │   │       └── v4.0.0

│   │   └── bootsnap
│   │       ├── compile-cache-iseq

│   │       └── load-path-cache
│   ├── miniprofiler

│   ├── pids
│   │   └── server.pid
│   ├── sockets
│   ├── .keep
│   ├── development_secret.txt
│   └── restart.txt
├── vendor
│   └── .keep
├── .dockerignore
├── .DS_Store
├── .env
├── .env.example
├── .gitignore
├── .rubocop.yml
├── .yarnrc
├── CHANGELOG.md
├── config.ru
├── docker-compose.yml
├── Dockerfile
├── Gemfile
├── Gemfile.lock
├── LICENSE
├── package.json
├── postcss.config.js
├── Rakefile
├── README.md
├── run
├── tailwind.config.js
└── yarn.lock

# frozen_string_literal: true

class Admin::SessionsController < Devise::SessionsController
  # before_action :configure_sign_in_params, only: [:create]

  # GET /resource/sign_in
  # def new
  #   super
  # end

  # POST /resource/sign_in
  # def create
  #   super
  # end

  # DELETE /resource/sign_out
  # def destroy
  #   super
  # end

  # protected

  # If you have extra params to permit, append them to the sanitizer.
  # def configure_sign_in_params
  #   devise_parameter_sanitizer.permit(:sign_in, keys: [:attribute])
  # end
end

$ rails g devise:install

$ rails db:migrate

# This file is auto-generated from the current state of the database. Instead
# of editing this file, please use the migrations feature of Active Record to
# incrementally modify your database, and then regenerate this schema definition.
#
# This file is the source Rails uses to define your schema when running `bin/rails
# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
# be faster and is potentially less error prone than running all of your
# migrations from scratch. Old migrations may fail to apply correctly if those
# migrations use external dependencies or application code.
#
# It's strongly recommended that you check this file into your version control system.

ActiveRecord::Schema[7.0].define(version: 2023_01_10_185533) do
  # These are extensions that must be enabled in order to support this database
  enable_extension "plpgsql"

  create_table "admins", force: :cascade do |t|
    t.string "email", default: "", null: false
    t.string "encrypted_password", default: "", null: false
    t.string "reset_password_token"
    t.datetime "reset_password_sent_at"
    t.datetime "remember_created_at"
    t.datetime "created_at", null: false
    t.datetime "updated_at", null: false
    t.index ["email"], name: "index_admins_on_email", unique: true
    t.index ["reset_password_token"], name: "index_admins_on_reset_password_token", unique: true
  end

  create_table "customers", force: :cascade do |t|
    t.string "email", default: "", null: false
    t.string "encrypted_password", default: "", null: false
    t.string "reset_password_token"
    t.datetime "reset_password_sent_at"
    t.datetime "remember_created_at"
    t.string "name", null: false
    t.integer "status", default: 0, null: false
    t.datetime "created_at", null: false
    t.datetime "updated_at", null: false
    t.index ["email"], name: "index_customers_on_email", unique: true
    t.index ["reset_password_token"], name: "index_customers_on_reset_password_token", unique: true
  end

end

$ git clone git@github.com:yurikondo/ecommerce.git
$ cd ecommerce
$ docker-compose build --no-cache
$ docker-compose run --rm web bash

$ rails db:create
$ rails db:migrate

$ docker-compose up

$ docker-compose build --no-cache

$ docker-compose build --no-cache

$ brew install stripe/stripe-cli/stripe

$ docker-compose down

$ docker volume prune -f

$ docker-compose build --no-cache

$ rails db:create
$ rails db:migrate

$ docker-compose up

Rails.application.routes.draw do
  devise_for :admins, controllers: {
    sessions: 'admin/sessions'
  }
  devise_for :customers, controllers: {
    sessions: 'customer/sessions',
    registrations: 'customer/registrations'
  }

  root to: 'pages#home'
  namespace :admin do
    resources :products, only: %i[index show new create edit update]
  end
  scope module: :customer do
    resources :products, only: %i[index show]
    resources :cart_items, only: %i[index create destroy] do
      member do
        patch 'increase'
        patch 'decrease'
      end
    end
  end

  get '/up/', to: 'up#index', as: :up
  get '/up/databases', to: 'up#databases', as: :up_databases
  get '/', to: 'pages#home'
  # Sidekiq has a web dashboard which you can enable below. It's turned off by
  # default because you very likely wouldn't want this to be available to
  # everyone in production.
  #
  # Uncomment the 2 lines below to enable the dashboard WITHOUT authentication,
  # but be careful because even anonymous web visitors will be able to see it!
  # require "sidekiq/web"
  # mount Sidekiq::Web => "/sidekiq"
  #
  # If you add Devise to this project and happen to have an admin? attribute
  # on your user you can uncomment the 4 lines below to only allow access to
  # the dashboard if you're an admin. Feel free to adjust things as needed.
  # require "sidekiq/web"
  # authenticate :user, lambda { |u| u.admin? } do
  #   mount Sidekiq::Web => "/sidekiq"
  # end

  # Learn more about this file at: https://guides.rubyonrails.org/routing.html
end

class Customer::CartItemsController < ApplicationController
  before_action :authenticate_customer!
  before_action :set_cart_item, only: %i[increase decrease destroy]

  def index
    @cart_items = current_customer.cart_items
  end

  def create
    increase_or_create(params[:cart_item][:product_id])
    redirect_to cart_items_path, notice: 'Successfully added product to your cart'
  end

  def increase
    @cart_item.increment!(:quantity, 1)
    redirect_to request.referer, notice: 'Successfully updated your cart'
  end

  def decrease
    decrease_or_destroy(@cart_item)
    redirect_to request.referer, notice: 'Successfully updated your cart'
  end

  def destroy
    @cart_item.destroy
    redirect_to request.referer, notice: 'Successfully deleted one cart item'
  end

  private

  def set_cart_item
    @cart_item = current_customer.cart_items.find(params[:id])
  end

  def increase_or_create(product_id)
    cart_item = current_customer.cart_items.find_by(product_id:)
    if cart_item
      cart_item.increment!(:quantity, 1)
    else
      current_customer.cart_items.build(product_id:).save
    end
  end

  def decrease_or_destroy(cart_item)
    if cart_item.quantity > 1
      cart_item.decrement!(:quantity, 1)
    else
      cart_item.destroy
    end
  end
end

<%= form_with model: @cart_item, data: { turbo: false } do |f| %>
  <%= f.hidden_field :product_id, :value => @product.id %>
  <%= f.submit "Add to Cart", class:"w-full cursor-pointer focus:outline-none text-white bg-green-700 hover:bg-green-800 focus:ring-4 focus:ring-green-300 font-medium rounded-lg text-sm px-5 py-2.5 mr-2 mb-2" %>
<% end %>

    <div class="relative mx-auto max-w-screen-xl p-6">
        <div class="grid grid-cols-1 items-start gap-9 md:grid-cols-2">
            <div>
            <%= image_tag @product.image, class: "aspect-square w-full rounded-xl object-cover" %>
            </div>
            <div class="sticky top-0">
                <div class="flex flex-col justify-between">
                    <div class="flex justify-between mb-6">
                        <div class="max-w-[35ch]">
                            <h1 class="text-2xl font-bold">
                                <%= @product.name %>
                            </h1>
                        </div>
                        <p class="text-2xl font-bold"><%= number_to_currency(@product.price, unit: "¥", strip_insignificant_zeros: true) %></p>
                    </div>
                    <div class="mb-3">
                        <p>
                            <%= @product.description %>
                        </p>
                    </div>
                    <div class="mb-8">
                        <% if @product.stock > 0 %>
                            <span class="bg-blue-100 text-blue-800 text-xs font-semibold p-2 rounded">In stock (<%= @product.stock %>)</span>
                        <% else %>
                            <span class="bg-red-100 text-red-800 text-xs font-semibold p-2 rounded">Out of stock</span>
                        <% end %>
                    </div>
                    <% if @product.stock > 0 %>
                        <%= form_with model: @cart_item, data: { turbo: false } do |f| %>
                            <%= f.hidden_field :product_id, :value => @product.id %>
                            <%= f.submit "Add to Cart", class:"w-full cursor-pointer focus:outline-none text-white bg-green-700 hover:bg-green-800 focus:ring-4 focus:ring-green-300 font-medium rounded-lg text-sm px-5 py-2.5 mr-2 mb-2" %>
                        <% end %>
                    <% end %>
                </div>
            </div>
        </div>
    </div>

def show
  @product = Product.find(params[:id])
  @cart_item = CartItem.new
end

web_1       |   Customer Load (1.0ms)  SELECT "customers".* FROM "customers" WHERE "customers"."id" = $1 LIMIT $2  [["id", 2], ["LIMIT", 1]]
web_1       |   ↳ app/controllers/customer/webhooks_controller.rb:29:in `create'
web_1       | {
web_1       |   "id": "cs_test_b1t9BcngGc2sbb3UoJ3xQ6MPVPthyRYQC7XKhGCJDuOtK2ldFKRBT47NmA",
web_1       |   "object": "checkout.session",
web_1       |   "after_expiration": null,
web_1       |   "allow_promotion_codes": null,
web_1       |   "amount_subtotal": 14760,
web_1       |   "amount_total": 15260,
web_1       |   "automatic_tax": {
web_1       |     "enabled": false,
web_1       |     "status": null
web_1       |   },
web_1       |   "billing_address_collection": null,
web_1       |   "cancel_url": "http://localhost:8000/cart_items",
web_1       |   "client_reference_id": "2",
web_1       |   "consent": null,
web_1       |   "consent_collection": null,
web_1       |   "created": 1676811086,
web_1       |   "currency": "jpy",
web_1       |   "custom_fields": [
web_1       |
web_1       |   ],
web_1       |   "custom_text": {
web_1       |     "shipping_address": null,
web_1       |     "submit": null
web_1       |   },
web_1       |   "customer": null,
web_1       |   "customer_creation": "if_required",
web_1       |   "customer_details": {
web_1       |     "address": {
web_1       |       "city": null,
web_1       |       "country": "JP",
web_1       |       "line1": "檜原村",
web_1       |       "line2": null,
web_1       |       "postal_code": "190-0200",
web_1       |       "state": "東京都"
web_1       |     },
web_1       |     "email": "yamada.taro@gmail.com",
web_1       |     "name": "yamada taro",
web_1       |     "phone": null,
web_1       |     "tax_exempt": "none",
web_1       |     "tax_ids": [
web_1       |
web_1       |     ]
web_1       |   },
web_1       |   "customer_email": "yamada.taro@gmail.com",
web_1       |   "expires_at": 1676897486,
web_1       |   "invoice": null,
web_1       |   "invoice_creation": {
web_1       |     "enabled": false,
web_1       |     "invoice_data": {
web_1       |       "account_tax_ids": null,
web_1       |       "custom_fields": null,
web_1       |       "description": null,
web_1       |       "footer": null,
web_1       |       "metadata": {
web_1       |       },
web_1       |       "rendering_options": null
web_1       |     }
web_1       |   },
web_1       |   "livemode": false,
web_1       |   "locale": null,
web_1       |   "metadata": {
web_1       |   },
web_1       |   "mode": "payment",
web_1       |   "payment_intent": "pi_3MdCMtF4dCXP6zuk1hWWC4Tq",
web_1       |   "payment_link": null,
web_1       |   "payment_method_collection": "always",
web_1       |   "payment_method_options": {
web_1       |   },
web_1       |   "payment_method_types": [
web_1       |     "card"
web_1       |   ],
web_1       |   "payment_status": "paid",
web_1       |   "phone_number_collection": {
web_1       |     "enabled": false
web_1       |   },
web_1       |   "recovered_from": null,
web_1       |   "setup_intent": null,
web_1       |   "shipping": {
web_1       |     "address": {
web_1       |       "city": "",
web_1       |       "country": "JP",
web_1       |       "line1": "檜原村",
web_1       |       "line2": null,
web_1       |       "postal_code": "190-0200",
web_1       |       "state": "東京都"
web_1       |     },
web_1       |     "name": "yamada taro"
web_1       |   },
web_1       |   "shipping_address_collection": {
web_1       |     "allowed_countries": [
web_1       |       "JP"
web_1       |     ]
web_1       |   },
web_1       |   "shipping_options": [
web_1       |     {
web_1       |       "shipping_amount": 500,
web_1       |       "shipping_rate": "shr_1MdCMUF4dCXP6zukuuyKl0F7"
web_1       |     }
web_1       |   ],
web_1       |   "shipping_rate": "shr_1MdCMUF4dCXP6zukuuyKl0F7",
web_1       |   "status": "complete",
web_1       |   "submit_type": null,
web_1       |   "subscription": null,
web_1       |   "success_url": "http://localhost:8000/orders/success",
web_1       |   "total_details": {
web_1       |     "amount_discount": 0,
web_1       |     "amount_shipping": 500,
web_1       |     "amount_tax": 0
web_1       |   },
web_1       |   "url": null
web_1       | }

    class Customer::CheckoutsController < ApplicationController
        before_action :authenticate_customer!
    
        def create
        line_items = current_customer.line_items_checkout
        session = create_session(line_items)
        # Allow redirection to the host that is different to the current host
        redirect_to session.url, allow_other_host: true
        end
    
        private
    
        def create_session(line_items)
        Stripe::Checkout::Session.create(
            client_reference_id: current_customer.id,
            customer_email: current_customer.email,
            mode: 'payment',
            payment_method_types: ['card'],
            line_items:,
            shipping_address_collection: {
            allowed_countries: ['JP']
            },
            shipping_options: [
                {
                    shipping_rate_data: {
                    type: 'fixed_amount',
                    fixed_amount: {
                        amount: 500,
                        currency: 'jpy'
                    },
                    display_name: 'Single rate'
                    }
                }
            ],
            success_url: "#{root_url}orders/success",
            cancel_url: "#{root_url}cart_items"
        )
        end
    end

NoMethodError (undefined method `shipping' for #<Stripe::Checkout::Session:0x7a44 id=cs_test_b1O2qVafNY1yDIaHlF5YS133UKETBhC9yp73gQdTOhYjKL4fS00IhDIsgD>

2024-01-06 12:30:04   --> charge.succeeded [evt_3OVQaEA8rEAY2MYv1EQBw5e8]
2024-01-06 12:30:04  <--  [204] POST http://localhost:8000/webhooks [evt_3OVQaEA8rEAY2MYv1EQBw5e8]
2024-01-06 12:30:04   --> payment_intent.succeeded [evt_3OVQaEA8rEAY2MYv1p6KUsQ2]
2024-01-06 12:30:04  <--  [204] POST http://localhost:8000/webhooks [evt_3OVQaEA8rEAY2MYv1p6KUsQ2]
2024-01-06 12:30:05   --> checkout.session.completed [evt_1OVQaGA8rEAY2MYv7ZqLntcx]
2024-01-06 12:30:05  <--  [500] POST http://localhost:8000/webhooks [evt_1OVQaGA8rEAY2MYv7ZqLntcx]
2024-01-06 12:30:05   --> payment_intent.created [evt_3OVQaEA8rEAY2MYv1gw41eAv]
2024-01-06 12:30:05  <--  [204] POST http://localhost:8000/webhooks [evt_3OVQaEA8rEAY2MYv1gw41eAv]

  def create_order(session)
    Order.create!({
                    customer_id: session.client_reference_id,
                    name: session.shipping_details.name,
                    postal_code: session.shipping_details.address.postal_code,
                    prefecture: session.shipping_details.address.state,
                    address1: session.shipping_details.address.line1,
                    address2: session.shipping_details.address.line2,
                    postage: session.shipping_options[0].shipping_amount,
                    billing_amount: session.amount_total,
                    status: 'confirm_payment'
                  })
  end

docker-compose run --rm -u root web bash

apt-get update
apt-get install vim

  RUN apt-get update \
-  && apt-get install -y --no-install-recommends build-essential curl libpq-dev \
+  && apt-get install -y --no-install-recommends build-essential curl libpq-dev vim \
   && rm -rf /var/lib/apt/lists/* /usr/share/doc /usr/share/man \
   && apt-get clean \
   && groupadd -g "${GID}" ruby \
   && useradd --create-home --no-log-init -u "${UID}" -g "${GID}" ruby \
   && chown ruby:ruby -R /app