How do I change my database from SQLite to MYSQL in Rails
gem 'mysql2'

development:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  database: db_name_here
  pool: 5
  username: root
  password:
  host: localhost

rake db:create
rake db:migrate

rails new app_name_here --database=mysql

gem 'mysql2'

gem 'mysql2', '~> 0.2.1'