Deploy to staging environment

as per http://cjohansen.no/en/rails/multi_staging_environment_for_rails_using_capistrano_and_mod_rails

Gemfile

@@ -9,7 +9,7 @@ gem 'haml'
 # Bundle edge Rails instead:
 # gem 'rails', :git => 'git://github.com/rails/rails.git'
 
-group :production do
+group :production, :staging do
   gem 'pg'
 end
 
@@ -43,6 +43,7 @@ gem 'jquery-rails'
 # Deploy with Capistrano
 gem 'capistrano'
 gem 'rvm-capistrano'
+gem 'capistrano-ext'
 
 # To use debugger
 # gem 'debugger'

Gemfile.lock

@@ -38,6 +38,8 @@ GEM
       net-sftp (>= 2.0.0)
       net-ssh (>= 2.0.14)
       net-ssh-gateway (>= 1.1.0)
+    capistrano-ext (1.2.1)
+      capistrano (>= 1.0.0)
     chunky_png (1.2.6)
     coffee-rails (3.2.2)
       coffee-script (>= 2.2.0)
@@ -185,6 +187,7 @@ DEPENDENCIES
   bundler (>= 1.1.5)
   cape
   capistrano
+  capistrano-ext
   coffee-rails (~> 3.2.1)
   compass-rails (~> 1.0.3)
   devise

config/database.yml

@@ -18,3 +18,6 @@ production:
   username: growstuff
   host: localhost
   password: thisisnottherealpassword
+
+staging:
+  production

config/deploy.rb

@@ -5,9 +5,18 @@ set :scm, :git
 set :branch, "dev"
 set :user, "deploy"
 set :use_sudo, false
-set :deploy_to, "/var/www/#{application}"
 set :deploy_via, :remote_cache
 
+set :stages, %w(staging production)
+set :default_stage, "staging"
+require 'capistrano/ext/multistage'
+
+# for now we only deploy to staging.
+# when we really deploy to production, we should break this out into two
+# files under /config/deploy/staging.rb and production.rb
+set :deploy_to, "/var/www/#{application}"
+set :rails_env "staging"
+
 role :web, application
 role :app, application
 role :db,  application, :primary => true # This is where Rails migrations will rue

config/environments/staging.rb

@@ -0,0 +1,70 @@
+Growstuff::Application.configure do
+  # Settings specified here will take precedence over those in config/application.rb
+
+  # Code is not reloaded between requests
+  config.cache_classes = true
+
+  # Full error reports are disabled and caching is turned on
+  config.consider_all_requests_local       = false
+  config.action_controller.perform_caching = true
+
+  # Disable Rails's static asset server (Apache or nginx will already do this)
+  config.serve_static_assets = false
+
+  # Compress JavaScripts and CSS
+  config.assets.compress = true
+
+  # Don't fallback to assets pipeline if a precompiled asset is missed
+  config.assets.compile = true
+
+  # Generate digests for assets URLs
+  config.assets.digest = true
+
+  # Defaults to nil and saved in location specified by config.assets.prefix
+  # config.assets.manifest = YOUR_PATH
+
+  # Specifies the header that your server uses for sending files
+  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
+  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx
+
+  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
+  # config.force_ssl = true
+
+  # See everything in the log (default is :info)
+  # config.log_level = :debug
+
+  # Prepend all log lines with the following tags
+  # config.log_tags = [ :subdomain, :uuid ]
+
+  # Use a different logger for distributed setups
+  # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)
+
+  # Use a different cache store in production
+  # config.cache_store = :mem_cache_store
+
+  # Enable serving of images, stylesheets, and JavaScripts from an asset server
+  # config.action_controller.asset_host = "http://assets.example.com"
+
+  # Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added)
+  # config.assets.precompile += %w( search.js )
+
+  # Disable delivery errors, bad email addresses will be ignored
+  # config.action_mailer.raise_delivery_errors = false
+
+  # Enable threaded mode
+  # config.threadsafe!
+
+  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
+  # the I18n.default_locale when a translation can not be found)
+  config.i18n.fallbacks = true
+
+  # Send deprecation notices to registered listeners
+  config.active_support.deprecation = :notify
+
+  # Log the query plan for queries taking more than this (works
+  # with SQLite, MySQL, and PostgreSQL)
+  # config.active_record.auto_explain_threshold_in_seconds = 0.5
+
+  # Growstuff configuration
+  config.action_mailer.default_url_options = { :host => 'dev.growstuff.org' }
+end