[#98] Add support for YAML anchors

core/app/services/uffizzi_core/compose_file/config_option_service.rb

@@ -12,6 +12,10 @@ def valid_option_format?(option)
 
     def config_options(compose_data)
       compose_data.each_with_object([]) do |(key, value), keys|
+        if compose_data.equal?(value)
+          raise UffizziCore::ComposeFile::ParseError, I18n.t('compose.infinite_recursion', key: key)
+        end
+
         keys << key
         keys.concat(config_options(value)) if value.is_a?(Hash)
       end

core/app/services/uffizzi_core/compose_file_service.rb

@@ -158,7 +158,7 @@ def persist!(compose_file_form, cli_form)
 
     def load_compose_data(compose_content)
       begin
-        compose_data = YAML.safe_load(compose_content)
+        compose_data = YAML.safe_load(compose_content, aliases: true)
       rescue Psych::SyntaxError
         raise UffizziCore::ComposeFile::ParseError, 'Invalid compose file'
       end

core/config/locales/en.yml

@@ -59,6 +59,7 @@ en:
     invalid_healthcheck_command: "Service '%{name}' defines an invalid healthcheck: when 'test' is a list the first item must be either NONE, CMD or CMD-SHELL"
     string_or_array_error: "'%{option}' contains an invalid type, it should be a string, or an array"
     not_implemented: "'%{option}' option is not implemented"
+    infinite_recursion: "Found infinite recursion for key '%{key}'"
   secrets:
     duplicates_exists: Secret with key %{secrets} already exist.
     invalid_key_length: A secret key must be no longer than 256 characters.