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variable "aws_region" {
  default     = "eu-west-1"
}

variable "domain" {
  default = "my_domain"
}

provider "aws" {
  region = "${var.aws_region}"

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require "active_record"

namespace :db do

  db_config       = YAML::load(File.open('config/database.yml'))
  db_config_admin = db_config.merge({'database' => 'postgres', 'schema_search_path' => 'public'})

  desc "Create the database"
  task :create do
    ActiveRecord::Base.establish_connection(db_config_admin)

cmthakur

Solution to StoreError: invalid keystore format (OS X)

The following error appeared upon upgrading JRuby:

OpenSSL::X509::StoreError: setting default path failed: Invalid keystore format

Download cacert.pem

cmthakur

Devise.setup do |config|  
  config.warden do |manager|
     manager.strategies.add(:remote, Devise::Strategies::RemoteAuthenticatable)
     manager.default_strategies(:scope => :user).unshift :remote
  end
end

cmthakur

Backup MySQL to Amazon S3

This is a simple way to backup your MySQL tables to Amazon S3 for a nightly backup - this is all to be done on your server :-)

Sister Document - Restore MySQL from Amazon S3 - read that next

1 - Install s3cmd

this is for Centos 5.6, see http://s3tools.org/repositories for other systems like ubuntu etc

cmthakur

# LiquidView is a action view extension class. You can register it with rails
# and use liquid as an template system for .liquid files
#
# Example
# 
#   ActionView::Base::register_template_handler :liquid, LiquidView
class LiquidView
  PROTECTED_ASSIGNS = %w( template_root response _session template_class action_name request_origin session template
                          _response url _request _cookies variables_added _flash params _headers request cookies
                          ignore_missing_templates flash _params logger before_filter_chain_aborted headers )

cmthakur

DigitalOcean Ubuntu 14.04 x64 + Rails 4 + Nginx + Unicorn + PostgreSQL + Capistrano 3

Create a Droplet

SSH into Root

$ ssh [email protected]

Change Root Password

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# Speed things up by not loading Rails env
config.assets.initialize_on_precompile = false

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<% flash.each do |type, message| %>
  <div class="alert <%= bootstrap_class_for(type) %> alert-dismissable fade in">
    <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
    <%= message %>
  </div>
<% end %>

cmthakur

How to install PhantomJS on Ubuntu

Version: 1.9.7

Platform: x86_64

First, install or update to the latest system software.

sudo apt-get update