Articles on Ruby 5 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 This article explains how to configure Bundler. Don't use the Asset Sync gem. Instead, use a CDN. 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. 2 years ago Configuring a database connection in Rails using database.yml and DATABASE_URL. A step-by-step guide for deploying your first Ruby app (using Microsoft Windows) 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 Creating, configuring, deploying and scaling Rails 4.x applications on Heroku, using Bundler dependency management. How to convert an existing Rails project that works on Heroku to run on JRuby. Quickly deploy static sites on Heroku using Ruby and Rack. Upload and process image files to S3 in Ruby using the Paperclip library. Set custom HTTP cache headers on Rails 3 applications to provide the most performant and best possible user experience. Enqueue background jobs in Ruby with the Redis-backed queuing-library Resque. 5 years ago 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. Config.ru settings for deploying Rack-based apps, such as Sinatra, Camping and Ramaze, to Heroku. Configure and run Delayed Job background workers.