trrying heroku out

Gemfile

@@ -4,7 +4,10 @@ source 'https://rubygems.org'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.0.0'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+group :development do 
+	gem 'sqlite3'
+end
+
 # Use Puma as the app server
 gem 'puma', '~> 3.0'
 # Use SCSS for stylesheets
@@ -30,6 +33,13 @@ gem 'jbuilder', '~> 2.5'
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
 
+
+gem 'simple_form'
+gem 'devise'
+
+group :production do
+	gem 'pg'
+end
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platform: :mri
@@ -46,6 +56,3 @@ end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
-
-gem 'simple_form'
-gem 'devise'

Gemfile.lock

@@ -89,6 +89,7 @@ GEM
       mini_portile2 (~> 2.1.0)
       pkg-config (~> 1.1.7)
     orm_adapter (0.5.0)
+    pg (0.18.4)
     pkg-config (1.1.7)
     puma (3.4.0)
     rack (2.0.1)
@@ -176,6 +177,7 @@ DEPENDENCIES
   jbuilder (~> 2.5)
   jquery-rails
   listen (~> 3.0.5)
+  pg
   puma (~> 3.0)
   rails (~> 5.0.0)
   sass-rails (~> 5.0)