updates to make this deployable

Gemfile

@@ -11,8 +11,14 @@ gem 'sinatra-activerecord'
 gem 'puma'
 gem 'tux'
 
+# These gems are only installed when RACK_ENV is either `development` or `test`
 group :development, :test do
   gem 'pry'
   gem 'shotgun'
   gem 'sqlite3'
 end
+
+# These gems are only installed when RACK_ENV is `production`
+group :production do
+  gem 'pg'
+end

Gemfile.lock

@@ -24,6 +24,7 @@ GEM
     method_source (0.8.2)
     minitest (5.8.3)
     multi_json (1.11.2)
+    pg (0.18.4)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -76,6 +77,7 @@ PLATFORMS
 
 DEPENDENCIES
   activesupport
+  pg
   pry
   puma
   rake
@@ -85,3 +87,6 @@ DEPENDENCIES
   sinatra-contrib
   sqlite3
   tux
+
+BUNDLED WITH
+   1.12.1

app/actions.rb

@@ -2,4 +2,3 @@
 get '/' do
   erb :index
 end
-

config/database.rb

 configure do
-  # Log queries to STDOUT in development
-  if Sinatra::Application.development?
+
+  case Sinatra::Application.environment
+  # Development database settings
+  when :development
+    # Log queries to STDOUT in development
     ActiveRecord::Base.logger = Logger.new(STDOUT)
-  end
+    set :database, {
+      adapter: "sqlite3",
+      database: "db/db.sqlite3"
+    }
+  # Test database settings
+  when :test
+    set :database, {
+      adapter: "sqlite3",
+      database: "db/test.sqlite3"
+    }
+  # Production database settings, tuned for heroku
+  when :production
+    db = URI.parse(ENV['DATABASE_URL'])  # standard heroku environment variable for configuring the database
 
-  set :database, {
-    adapter: "sqlite3",
-    database: "db/db.sqlite3"
-  }
+    set :database, {
+      :adapter => db.scheme == 'postgres' ? 'postgresql' : db.scheme,
+      :host     => db.host,
+      :username => db.user,
+      :password => db.password,
+      :database => db.path[1..-1],
+      :encoding => 'utf8'
+    }
+  else
+    raise ArgumentError("Expected RACK_ENV to be: development, test or production")
+  end
 
   # Load all models from app/models, using autoload instead of require
   # See http://www.rubyinside.com/ruby-techniques-revealed-autoload-1652.html

config/environment.rb

@@ -8,15 +8,17 @@ require 'sinatra'
 require 'sinatra/activerecord'
 require 'sinatra/contrib/all' # Requires cookies, among other things
 
-require 'pry'
 
+
+ENV['RACK_ENV'] ||= 'development'
 APP_ROOT = Pathname.new(File.expand_path('../../', __FILE__))
 APP_NAME = APP_ROOT.basename.to_s
 
-# Sinatra configuration
+# Global Sinatra configuration
 configure do
   set :root, APP_ROOT.to_path
   set :server, :puma
+  set :environment, ENV['RACK_ENV'].to_sym
 
   enable :sessions
   set :session_secret, ENV['SESSION_KEY'] || 'lighthouselabssecret'
@@ -24,6 +26,12 @@ configure do
   set :views, File.join(Sinatra::Application.root, "app", "views")
 end
 
+# Development and Test Sinatra Configuration
+configure :development, :test do
+  require 'pry'
+end
+
+
 # Set up the database and models
 require APP_ROOT.join('config', 'database')