Force add database.yml with ENV vars for Docker deployment

config/database.yml

@@ -0,0 +1,10 @@
+production:
+  adapter: mysql2
+  encoding: utf8mb4
+  pool: 25
+  host: <%= ENV.fetch('DATABASE_HOST', '54.151.188.42') %>
+  port: <%= ENV.fetch('DATABASE_PORT', '13306') %>
+  wait_timeout: 60
+  database: <%= ENV.fetch('DATABASE_NAME', 'foodcourt') %>
+  username: <%= ENV.fetch('DATABASE_USER', 'foodcourt') %>
+  password: <%= ENV.fetch('DATABASE_PASSWORD', 'foodcourt') %>