Add cmd args for roles

lib/mrsk/commands/app.rb

@@ -11,7 +11,8 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
       *config.volume_args,
       *role.label_args,
       config.absolute_image,
-      role.cmd
+      role.cmd,
+      *role.cmd_args
   end
 
   def start

lib/mrsk/configuration/role.rb

@@ -1,5 +1,5 @@
 class Mrsk::Configuration::Role
-  delegate :argumentize, :argumentize_env_with_secrets, to: Mrsk::Utils
+  delegate :argumentize, :argumentize_env_with_secrets, :argumentize_for_cmd, to: Mrsk::Utils
 
   attr_accessor :name
 
@@ -35,6 +35,14 @@ class Mrsk::Configuration::Role
     specializations["cmd"]
   end
 
+  def cmd_args
+    if args = specializations["args"]
+      argumentize_for_cmd args
+    else
+      []
+    end
+  end
+
   def running_traefik?
     name.web? || specializations["traefik"]
   end