postrgres追加

Gemfile

@@ -57,3 +57,8 @@ group :development do
 
   gem 'thin'
 end
+
+group :production do
+  gem 'rails_12factor'
+  gem 'pg'
+end

Gemfile.lock

@@ -88,6 +88,7 @@ GEM
       oauth2 (~> 0.8.0)
       omniauth (~> 1.0)
     orm_adapter (0.5.0)
+    pg (0.17.0)
     polyglot (0.3.3)
     rack (1.5.2)
     rack-test (0.6.2)
@@ -100,6 +101,11 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.0.1)
       sprockets-rails (~> 2.0.0)
+    rails_12factor (0.0.2)
+      rails_serve_static_assets
+      rails_stdout_logging
+    rails_serve_static_assets (0.0.1)
+    rails_stdout_logging (0.0.3)
     railties (4.0.1)
       actionpack (= 4.0.1)
       activesupport (= 4.0.1)
@@ -155,7 +161,9 @@ DEPENDENCIES
   devise
   jbuilder (~> 1.2)
   omniauth-google-oauth2
+  pg
   rails (= 4.0.1)
+  rails_12factor
   redcarpet
   sass-rails (~> 4.0.0)
   sdoc