How To Implement Simple Authentication Without DeviseAlmost every web app requires a sign in form. In Ruby, the popular choice is the Devise gem for Rails. Devise gives you a lot of functionality out of the box, but it can also be frustrating. It has a lot of “magic,” and is heavily coupled to various parts of Rails. If you’re requirements don’t exactly fit the gem – for example, anonymous users – you will be wading through documentation, how-to’s,
