fix: fixes issue starting application in production mode

I haven't observed these all that recently and these fixes are temporary until
I have time to look properly.

config/initializers/inflections.rb

@@ -20,6 +20,7 @@ ActiveSupport::Inflector.inflections(:en) do |inflect|
 
   inflect.acronym "API"
   inflect.acronym "DNS"
+  inflect.acronym "MySQL"
 
   inflect.acronym "DB"
   inflect.acronym "IP"

lib/postal/config.rb

@@ -9,6 +9,9 @@ require_relative "version"
 
 module Postal
 
+  class Config
+  end
+
   def self.host
     @host ||= config.web.host || "localhost:5000"
   end

lib/postal/version.rb

@@ -11,4 +11,6 @@ module Postal
     VERSION
   end
 
+  Version = VERSION
+
 end