Merge branch 'main' into cleanup-excessive-containers-running

* main: (24 commits)
  Bump version for 0.11.0
  Labels can be added to Traefik
  Make rollbacks role-aware
  fix typo role to roles
  Explained the latest modifications of Traefik container labels
  Remove .idea folder
  Updated README.md with new healthcheck.max_attempts option
  Fix test case: console output message was not updated to display the current/total attempts
  Require net-ssh ~> 7.0 for SHA-2 support
  Improved deploy lock acquisition
  Excess CR
  Style
  Simpler
  Make it explicit, focus on Ubuntu
  More explicit
  Not that --bundle is a Rails 7+ option
  Update README.md
  Update README.md
  Improved: configurable max_attempts for healthcheck
  Traefik service name to be derived from role and destination
  ...

lib/mrsk/commands/traefik.rb

@@ -1,7 +1,7 @@
 class Mrsk::Commands::Traefik < Mrsk::Commands::Base
-  delegate :optionize, to: Mrsk::Utils
+  delegate :argumentize, :optionize, to: Mrsk::Utils
 
-  IMAGE = "traefik:v2.9.9"
+  DEFAULT_IMAGE = "traefik:v2.9"
   CONTAINER_PORT = 80
 
   def run
@@ -11,8 +11,9 @@ class Mrsk::Commands::Traefik < Mrsk::Commands::Base
       "--publish", port,
       "--volume", "/var/run/docker.sock:/var/run/docker.sock",
       *config.logging_args,
+      *label_args,
       *docker_options_args,
-      IMAGE,
+      image,
       "--providers.docker",
       "--log.level=DEBUG",
       *cmd_option_args
@@ -56,6 +57,18 @@ class Mrsk::Commands::Traefik < Mrsk::Commands::Base
   end
 
   private
+    def label_args
+      argumentize "--label", labels
+    end
+
+    def labels
+      config.traefik["labels"] || []
+    end
+
+    def image
+      config.traefik.fetch("image") { DEFAULT_IMAGE }
+    end
+
     def docker_options_args
       optionize(config.traefik["options"] || {})
     end