Connect and create database.

Gemfile

@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '4.2.4'
 # Use mysql as the database for Active Record
-gem 'mysql2'
+gem 'mysql2', '~> 0.3.20'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
@@ -44,4 +44,3 @@ group :development do
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
 end
-

Gemfile.lock

@@ -73,7 +73,7 @@ GEM
     mini_portile2 (2.1.0)
     minitest (5.9.1)
     multi_json (1.12.1)
-    mysql2 (0.4.5)
+    mysql2 (0.3.21)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
     rack (1.6.4)
@@ -149,7 +149,7 @@ DEPENDENCIES
   coffee-rails (~> 4.1.0)
   jbuilder (~> 2.0)
   jquery-rails
-  mysql2
+  mysql2 (~> 0.3.20)
   rails (= 4.2.4)
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)

config/database.yml

@@ -14,7 +14,7 @@ default: &default
   encoding: utf8
   pool: 5
   username: root
-  password:
+  password: <%= ENV['MYSQL_PASS'] %>
   socket: /tmp/mysql.sock
 
 development: