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Test Driven Development, or...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Autosaving draft records allows you to make sure users don't lose their work and can easily write draft content without publishing right away. We'll be using Stimulus to build an autosave controller for our form and Draftsman to power the backend.
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.
Security in production is important. We can use Fail2ban and NGINX to block malicious users from accessing our server and apps.
Learn how to enable the experimental new Just-in-time compiler for Ruby 2.6
Cross-origin Resource Sharing (CORS) allows your website to talk to other websites.
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.
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