Rails 8 eliminates Redis from the default stack. Learn how SolidQueue, SolidCache, and SolidCable replace Redis for job processing, caching, and real-time updates—powered entirely by PostgreSQL. Explore the true cost of Redis, how SolidQueue works, when it scales, and how to migrate from Sidekiq to a simpler, Redis-free Rails architecture.

How a Functional Programming snob embraced Go, Microservices, and NATS to build a Twilio competitor for 1/5th the price.