Accepting payment with stripe

What is stripe..?
Stripe allows both private individuals and businesses to accept payments over the Internet. 
Stripe focuses on providing the technical, fraud prevention, and banking infrastructure required to operate online payments.

Heroku link:
https://glacial-tor-22746.herokuapp.com/charges/new

Setting up payment with stripe is surprisingly easy in rails stack.

1. Create new rials app and cd into directory.
2. Add gem 'stripe' into Gem file and bundle install.
3. Genrate a charges controller rails g controller charges
4. Create charges, new and create views.
5. Reference charges routes in config/routes.rb resources :charges
6. Create a stripe.rb file in config/intilizer folder
7. Add this code into charges controller app/controllers/charges_controller.rb

def new
end

def create
  # Amount in cents
  @amount = 500

  customer = Stripe::Customer.create(
    :email => params[:stripeEmail],
    :source  => params[:stripeToken]
  )

  charge = Stripe::Charge.create(
    :customer    => customer.id,
    :amount      => @amount,
    :description => 'Rails Stripe customer',
    :currency    => 'usd'
  )

rescue Stripe::CardError => e
  flash[:error] = e.message
  redirect_to new_charge_path
end

8. Add this code to your views/new.html.erb
<%= form_tag charges_path do %>
  <article>
    <% if flash[:error].present? %>
      <div id="error_explanation">
        <p><%= flash[:error] %></p>
      </div>
    <% end %>
    <label class="amount">
      <span>Amount: $5.00</span>
    </label>
  </article>

  <script src="https://checkout.stripe.com/checkout.js" class="stripe-button"
          data-key="<%= Rails.configuration.stripe[:publishable_key] %>"
          data-description="A month's subscription"
          data-amount="500"
          data-locale="auto"></script>
<% end %>

9. Add this code to your views/create.html.erb
<h2>Thanks, you paid <strong>$5.00</strong>!</h2>

10. Add this code to your views/charges.html.erb

class ChargesController < ApplicationController
  def new
  end

  def create
    # Amount in cents
    @amount = 500

    customer = Stripe::Customer.create(
      :email => params[:stripeEmail],
      :source  => params[:stripeToken]
    )

    charge = Stripe::Charge.create(
      :customer    => customer.id,
      :amount      => @amount,
      :description => 'Rails Stripe customer',
      :currency    => 'usd'
    )

  rescue Stripe::CardError => e
    flash[:error] = e.message
    redirect_to new_charge_path
  end
end

11. Run rails server with these public key's 
PUBLISHABLE_KEY=pk_test_6pRNASCoBOKtIshFeQd4XMUh \
SECRET_KEY=sk_test_BQokikJOvBiI2HlWgH4olfQ2 rails s

12. Test your app with dummy data.

Check out official guide by stripe.
https://stripe.com/docs/checkout/rails