replace database.yml by database.yml.SAMPLE (now mysql2 only)

config/database.yml

@@ -1,25 +0,0 @@
-# SQLite. Versions 3.8.0 and up are supported.
-#   gem install sqlite3
-#
-#   Ensure the SQLite 3 gem is defined in your Gemfile
-#   gem 'sqlite3'
-#
-default: &default
-  adapter: sqlite3
-  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
-  timeout: 5000
-
-development:
-  <<: *default
-  database: db/development.sqlite3
-
-# Warning: The database defined as "test" will be erased and
-# re-generated from your development database when you run "rake".
-# Do not set this db to the same as development or production.
-test:
-  <<: *default
-  database: db/test.sqlite3
-
-production:
-  <<: *default
-  database: db/production.sqlite3

config/database.yml.SAMPLE

@@ -0,0 +1,9 @@
+development:
+  adapter: mysql2
+  encoding: utf8
+  reconnect: false
+  database: development
+  pool: 5
+  username: root
+  password: secret
+  host: mysql