#105 💎 Debugging in Ruby, Rails 6 system tests, Tech debt solutions and more…

Happy Wednesday!

Here is issue #105 of our newsletter with news and the best tools for your current or future Rails projects…

1. 💬 Rémi shares helpful info about using comments in migrations to make it easier to maintain tables.

2. 🚀 Rails Adds ActiveRecord::Base.with_connection To Optimize Database Operations explains how to optimize specific DB queries using with_connection to improve performance.

3. 📖 Learn how to run Rails 6 system tests in Docker using a host browser.

4. 💎 Since 3.1, Ruby ships with the debug gem, here is more information on all its uses: Debugging in Ruby with Debug​

🚨 Running EOLed Versions of Ruby and Rails in Production?

Need to Pay Down Tech Debt on a Budget? FastRuby.io’s maintenance services offer a cost-effective solution on a monthly basis. Top-notch engineering teams trust Bonsai to gradually upgrade their EOLed Ruby and Rails versions with zero downtime.

5. 🚨 Helpful info: rack was updated to versions 3.1.5 and 3.1.6 addressing a potential ReDOS attack.

6. More information about Sidekiq:

• 🤔 How does Sidekiq really work? This article explores the internals of Sidekiq by examining key aspects and interesting design decisions, tracing a job through its entire lifecycle via the source code.
• 💎 Sidekiq 7.3 introduced Iterable Jobs to handle long-running tasks more gracefully during deployments, enhancing its popular background job framework for Ruby, which works best with short and idempotent jobs.

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Best,

The ​​​​FastRuby.io​​​​ Team

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