Articles on Ruby 3 months ago How to resolve errors such as "Could not find rake-x in any of the sources" when running running a Rails console in a dyno. 1 year ago Understand your application's memory usage Ruby applications should gracefully shut down when a dyno shuts down, or is restarted. Sensitive operations should be wrapped in an `ensure` clause, though care must be taken to have this clause terminate. Cedar-14, the successor to the Cedar stack, runs on a newer operating system. Certain versions of Ruby 2.1 are not able to compile on Cedar-14 and they will not be available. Configuring a database connection in Rails using database.yml and DATABASE_URL. 2 years ago A step-by-step guide for deploying your first Ruby app and mastering the basics of Heroku 3 years ago Why not to run WEBrick in production, and how to run a production web server instead. Create a pool of worker processes to better maximize the resources of a worker dyno. 4 years ago Configuring database connections in the Active Record connection pool for apps running with a multi-threaded or multi-process web server. 5 years ago Configure a Rails 3.1+, or Rails 4 application to use Rack::Cache to cache public resources in a Rails application with the Dalli client library on Heroku Cedar. Creating, configuring, deploying and scaling Rails 3.x applications on Heroku, using Bundler dependency management. Heroku does not support the use of Rack::Sendfile and its use will cause file downloads to fail. Add the MemCachier Add-on to a Rails application to easily cache data with memcache and improve performance. Constructing a Rails application that uses the Heroku Pusher add-on to subscribe to in-app notifications over a WebSocket. The Cedar stack is the most recent stack on Heroku, providing a PaaS supporting multiple languages, flexible process types, HTTP 1.1 and more.