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How to create and configure EC2 instances for Rails hosting with CentOS using Ansible

Introduction In this quite extensive post I will walk you through the process of creating from scratch a box in EC2 ready to use for deploying your Rails app using Ansible. In the process I will show how to write a simple module that, while not necessary, will illustrate some points as well. Keep in […]

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Ruby on Rails Many To Many associations with multiple databases

Sometimes you need to use multiple databases in your Rails projects. Usually when some data must be shared between different applications. When this happens you usually have some models in a shared database, and some other models in the specific application database. This can be easily done using the establish_connection method in the shared models […]

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Create your own JSONP Proxy using Ruby on Rails

Today I was working on a web site that needs to retrieve some RSS feed over the internet. Since the web page has no server (HTML + javascript only) I couldn’t access the feed from the server side. Also, because of the Cross Domain limitation of Ajax requests, I couldn’t access the RSS in the […]

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