Insights on software development, Rails, AI, and technology
A practical guide to Rails ActiveSupport::Concern with real examples of good and bad uses. Learn when concerns reduce duplication, when they create tangled dependencies, and what alternatives work better for each case.
How to configure multiple databases in Rails 8 with read replicas, horizontal sharding, and automatic connection switching. Includes production-tested database.yml configs, migration strategies, and performance benchmarks.
How to write, test, and deploy custom Rack middleware in Rails 8. Covers request timing, tenant detection, request ID propagation, and the middleware stack order that trips everyone up.
Solid Cache stores your Rails cache in the database instead of Redis or Memcached. If you’re running Rails 8, you can cut an entire infrastructure dependency from your stack today....
Step-by-step guide to building production Docker images for Rails 8 using multi-stage builds. Reduce image size from 1.2GB to under 500MB with real Dockerfile examples and benchmarks.
A practical comparison of Ruby Procs and Lambdas covering argument handling, return behavior, and real-world use cases in Rails applications. Includes Method objects and performance benchmarks.
Ruby’s pattern matching, introduced in Ruby 2.7 and stabilized in Ruby 3.0, gives you a way to destructure and match complex data structures in a single expression. If you’ve used...
A practical framework for prioritizing technical debt in startups and growing teams. Covers scoring methods, real examples, and how to sell debt reduction to stakeholders.
Learn what Ruby's frozen_string_literal magic comment does, how it reduces memory allocation and prevents mutation bugs, and how to adopt it across a Rails codebase.
A practical guide to enabling YJIT in Ruby 3.3 for production Rails apps. Covers configuration, memory trade-offs, real benchmarks, and monitoring tips.
A step-by-step guide to instrumenting a Rails 8 application with OpenTelemetry for traces, metrics, and logs. Includes gem configuration, auto-instrumentation, custom spans, and exporter setup.
How to use Turbo Frames in Rails 8 to create fast, dynamic interfaces with lazy loading, inline editing, and frame navigation — no custom JavaScript required.
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