6 months ago
Getting Started with Ruby on Heroku
A step-by-step guide for deploying your first Ruby app and mastering the basics of Heroku
7 months ago
Direct to S3 Image Uploads in Rails
How to add direct S3 uploads to a Rails app.
10 months ago
Ruby Default Web Server
Why not to run WEBrick in production, and how to run a production web server instead.
Deploying to a Custom Rails Environment
When and how to use Rails environments and Heroku config vars, when deploying apps.
1 year ago
Maximize Worker Utilization with Resque Pool
Create a pool of worker processes to better maximize the resources of a worker dyno.
Using WebSockets on Heroku with Ruby
A tutorial showing how to build and deploy a Ruby Sinatra application application that uses a WebSocket.
Concurrency and Database Connections in Ruby with ActiveRecord
Configuring database connections in the Active Record connection pool for apps running with a multi-threaded or multi-process web server.
2 years ago
Moving an Existing Rails App to Run on JRuby
How to convert an existing Rails project that works on Heroku to run on JRuby.
Creating Static Sites in Ruby with Rack
Quickly deploy static sites on Heroku using Ruby and Rack.
Uploading Files to S3 in Ruby with Paperclip
Upload and process image files to S3 in Ruby using the Paperclip library.
HTTP Caching in Ruby with Rails
Set custom HTTP cache headers on Rails 3 applications to provide the most performant and best possible user experience.
Queuing in Ruby with Redis and Resque
Enqueue background jobs in Ruby with the Redis-backed queuing-library Resque.
Scheduled Jobs and Custom Clock Processes in Ruby with Clockwork
Creating a custom scheduling process using Clockwork.
Using Rack::Cache with Memcached in Rails 3.1+ (including Rails 4)
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.
Getting Started with Rails 3.x on Heroku
Creating, configuring, deploying and scaling Rails 3.x applications on Heroku, using Bundler dependency management.
Building a Rails 3 Application with Memcache
Add the MemCachier Add-on to a Rails application to easily cache data with memcache and improve performance.
Deploying Rack-based Apps
Config.ru settings for deploying Rack-based apps, such as Sinatra, Camping and Ramaze, to Heroku.
Processing PDFs with Ruby and MongoDB
A PDF storage, search and retrieval application in Ruby that lets users upload and process PDFs (stored in Amazon S3), using a background worker.
Delayed Job (DJ)
Configure and run Delayed Job background workers.
Migrating to the Celadon Cedar-14 Stack from Bamboo
The Cedar runtime is the most recent stack on Heroku, providing a PaaS supporting multiple languages, flexible process types, HTTP 1.1 and more.