Rails

Your Lovable, Bolt, or Replit MVP works in the demo and breaks with real users. How to migrate a vibe coded app to Rails: schema, auth, payments, front end.

Deploy Rails across multiple servers with Kamal 2: roles, the load balancing gap, boot limit gotchas, the multi-host SSL error, and when one big box wins.

Production patterns for Solid Queue: custom retry strategies, concurrency tuning, worker pool sizing, dead letter queues, and monitoring. Working Rails 8 config examples.

CVSS 8.1 universal RCE chain through ERB::DeprecatedInstanceVariableProxy and Marshal.load. Detection, upgrade path, Rails 7.0/7.1 EOL options.

Rails 8.1 replaces log parsing with structured events. Wire ActiveSupport::Notifications to Datadog, New Relic, or Prometheus - no regex required.

Rails 8.1's ActiveJob::Continuable resumes long jobs from their last completed step. How to wire it in, when not to, why Kamal deploys stop losing work.

Rails 8 defaults to Solid Cache, Solid Queue, and Solid Cable. Most apps don't need Redis anymore. Some still do. Here's how we decide which workloads stay.

Concrete benchmarks and patterns for Rails performance in 2026 - YJIT speedups, Rails 8 query optimization, Redis caching, and N+1 elimination.

Step-by-step guide to enabling Argon2 with has_secure_password in Rails. Migrate from BCrypt with zero downtime using the Hybrid Verifier pattern in production.

Complete Rails 8 Docker deployment guide with production-ready configurations. Multi-stage builds, security hardening, performance optimization, and Kamal alternative strategies.