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The Ruby app server ecosystem has consolidated around three app servers in 2017: Unicorn, Puma, and Passenger 5. What specific problems must an app server solve for Ruby? How do you pick the right app server? Is there a need for each of these app servers...

(Ping! Zine Web Tech Magazine) –  Jelastic, the first company to deliver Platform-as-Infrastructure combining both PaaS and IaaS into a single, turnkey cloud solution, today announced the general availability of Platform-as-Infrastructure (PaI) 2.2....

Raptor is a new Ruby app server built for two goals: performance and visibility . Raptor has an innovative and optimized HTTP engine, making it up to 4x faster than Unicorn, up to 2x faster than Puma and up to 2x faster than Torquebox. Raptor gives you...

Nginx is a very popular high performance web server. It’s very easy to configure and many Ruby on Rails developers are using it as a load balancer for Rails applications. Usually the setup looks like this: Typically the rails application is running...

tldr; you can do jobs, queues, real time change feeds, time series, object store, document store, full text search with PostgreSQL. How to, pros/cons, rough performance and complexity levels are all discussed. Many sources and relevant documentation...