Explore the world of serverless hosting for Ruby on Rails applications in this informative conference talk. Gain a critical understanding of serverless environments like AWS Lambda and Google Cloud Run, their underlying abstractions, assumptions, and trade-offs. Learn how these technologies impact Ruby apps and frameworks, and discover practical tips for improving modularity in your code. Evaluate the pros and cons of serverless deployment to make informed decisions about adopting this technology for your Rails projects. By the end of the talk, be better equipped to determine if serverless is the right fit for your application and understand the necessary code adaptations for successful implementation.