I poked around at my first Sinatra project the other day: Donoku. It's a simple two-page site to take donations through Stripe Checkout. It's built to be deployed to Heroku & forces SSL, since Heroku gives its "appname.herokuapp.com" domains SSL access for free.
To force SSL, I used the rack-ssl-enforcer gem. It's really simple to use... Just add the gem to your Gemfile, then require it in your app.rb file & add a single line to require SSL everywhere outside of localhost & the test environment:
require 'rack/ssl-enforcer' use Rack::SslEnforcer, except_hosts: /127.0.0.1$/, :except_environments => 'test'
There's a little bit of a MailChimp integration, as well. After the donation goes through, people are directed to the 'thank you' page that includes a mailing list signup form. There's nothing crazy going on, but it works.
It's also one of my first attempts at using MiniTest instead of rspec. I like it just fine, but the familiarity that I have with rspec keeps me moving faster & the abundence of rspec documentation online gets me un-stuck quicker. I'm glad I tried it, but I'll be sticking with rspec (and might even switch Donoku over at some point).
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