Create database.yml via Dockerfile

config/database.yml.MySQL_SAMPLE

@@ -4,7 +4,7 @@
 #
 #
 # MySQL versions 4.1 and 5.0 are recommended.
-# 
+#
 # Install the MYSQL driver
 #   gem install mysql2
 #
@@ -15,32 +15,32 @@
 #   http://dev.mysql.com/doc/refman/5.0/en/old-client.html
 development:
   adapter: mysql2
-  encoding: utf8
+  encoding: utf8mb4
   reconnect: false
   database: foodsoft_development
   pool: 5
   host: localhost
 # socket: /tmp/mysql.sock
- 
+
 # 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:
   adapter: mysql2
-  encoding: utf8
+  encoding: utf8mb4
   reconnect: false
   database: foodsoft_test
   pool: 5
   host: localhost
 # socket: /tmp/mysql.sock
- 
+
 production:
   adapter: mysql2
-  encoding: utf8
+  encoding: utf8mb4
   reconnect: false
-  database: foodsoft_production
   pool: 5
-  host: localhost
-  username: root
-  password: password
+  host: <%= ENV['FOODSOFT_DB_HOST'] %>
+  database: <%= ENV['FOODSOFT_DB_NAME'] %>
+  username: <%= ENV['FOODSOFT_DB_USER'] %>
+  password: <%= ENV['FOODSOFT_DB_PASSWORD'] %>
 # socket: /tmp/mysql.sock