I am putting together the essentials to understand the deployment of web applications for software engineers. Sleep better knowing that your servers are safe and customer data backed up. Be prepared to fix issues when they come for you.
If you depend on Erlang’s Hackney library or an Elixir HTTP library built on Hackney, changes are your SSL configuration is wrong.
A small report on how upgrading OTP to version 23 brought out unknown certificate authority errors when making requests from HTTP libraries based on Hackney.
Do you still manage your virtual servers with the root superuser? Here are five easy steps to stop using root right now.
Ruby’s IRB is a lovely interactive console. By leveraging a custom .irbrc configuration file, we can make the experience even better.
Ruby 3 JIT was optimized against CPU-intensive demo, which left Rails enthusiasts left out. But what about tasks in the middle of both? Here’s my latest benchmark on Ruby 3 JIT in generating PDF files with Prawn.