When creating a Web application, you usually have to start with the two key elements:Authentication - User log in, user account management.Authorization - User roles and permissions.Code-Along and build a Web App MVP covering all aspects of Log-In, User Management, and Role-Management functionality.Core topics covered:Basic authorization via email (Devise)Social log in via GoogleSocial log in via FacebookSocial log in via TwitterSocial log in via GithubDevise confirmableDevise trackableDevise lockableDevise invitable - Inviting users to join the app via emailBanning usersDeleting usersEditing user profileManaging user roles (admin, teacher, student) without any gemsRole-based access to different features (example: only admin can ban a user) without any gemsBlocking bot registrationsSending transactional emails in production (Amazon SES)By the end of the course you will have created a boilerplate, based on which you can build any business application of your dream.This course can be interesting for Ruby on Rails developers of all levels: for beginners and for veterans.As a beginner, you will get the whole experience of thinking and building the core lifesystem of any modern Web Application.As a veteran, you will get acquainted with some exquisite approaches for problem-solving, and features that you could have not encountered in the past.We are not going to cover the fundamentals of what Ruby and Rails are: there are other, more basic courses for that.Instead, we will dive straight into coding along and building our application step-by-step, feature-by-feature.As well all enrolled students will have access to the source code, support materials and discussion groups.Looking forward to seeing you inside!