Describe purpose rather than elements

lib/mrsk/commands/app.rb

@@ -13,8 +13,8 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
       "--detach",
       "--restart unless-stopped",
       "--log-opt", "max-size=#{MAX_LOG_SIZE}",
-      "--name", service_with_version_and_destination_and_role,
-      "-e", "MRSK_CONTAINER_NAME=\"#{service_with_version_and_destination_and_role}\"",
+      "--name", container_name,
+      "-e", "MRSK_CONTAINER_NAME=\"#{container_name}\"",
       *role.env_args,
       *config.volume_args,
       *role.label_args,
@@ -24,7 +24,7 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
   end
 
   def start
-    docker :start, service_with_version_and_destination_and_role
+    docker :start, container_name
   end
 
   def stop(version: nil)
@@ -59,7 +59,7 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
   def execute_in_existing_container(*command, interactive: false)
     docker :exec,
       ("-it" if interactive),
-      service_with_version_and_destination_and_role,
+      container_name,
       *command
   end
 
@@ -104,7 +104,7 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
 
   def remove_container(version:)
     pipe \
-      container_id_for(container_name: service_with_version_and_destination_and_role(version)),
+      container_id_for(container_name: container_name(version)),
       xargs(docker(:container, :rm))
   end
 
@@ -122,12 +122,12 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
 
 
   private
-    def service_with_version_and_destination_and_role(version = nil)
+    def container_name(version = nil)
       [ config.service, role, config.destination, version || config.version ].compact.join("-")
     end
 
     def container_id_for_version(version)
-      container_id_for(container_name: service_with_version_and_destination_and_role(version))
+      container_id_for(container_name: container_name(version))
     end
 
     def filter_args