sqlite test & dev only

Author: xuorig

Gemfile

@@ -7,8 +7,6 @@ end
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.0.1'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3'
 # use PG in prod for heroku
 gem 'pg'
 # Use Puma as the app server
@@ -21,6 +19,7 @@ gem 'graphiql-rails', '~> 1.4.1'
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platform: :mri
+  gem 'sqlite3'
 end
 
 group :development do