Changing the database adapter for a Rails app has always been an annoying, manual change to make. Rails 6.0 introduces the "rails db:system:change" command to make this easier using all the built-in generators for database.yml and more.

Mentioning Users with an @mention is a super common feature. Trix and ActionText are now part of Rails 6 which means we can very easily add support for tagging users with @mentions and other custom attachments in your applications.

A quick introduction to using ActionText in your Rails apps for editing and displaying rich text plus uploading files

Deploying Rails to production for the first time can be confusing and daunting. We'll walk through every step of the process and show you how to setup a production Rails server from scratch.

Ever wondered what the difference between Symbols and Strings were? Why would we use one over the other when most languages only have strings?

Linux server administration can be a pain. You can use cockpit to monitor your servers and keep an eye on long running processes like Sidekiq and Puma without having to SSH into your servers.

Learn how to enable the experimental new Just-in-time compiler for Ruby 2.6

Adding user avatars is pretty easy using Rails' ActiveStorage feature. We'll be using Devise in this example, but this applies to any user authentication system.

Learn how to link to the current page and add, remove, or modify params in the URL. This is handy for things like search or index pages with filters.

Deciding whether or not to have separate first and last name fields gets a bit confusing. Basecamp's recently released name_of_person gem shows you exactly how to handle this reliably and also stands as a fantastic example of how to build a concern