Show a link to resources docs in command help

config-defaults.yaml

@@ -149,6 +149,9 @@ service:
   # Optional URL to help about runtime operations.
   runtime_operations_help_url: null
 
+  # Optional URL to help about managing resources.
+  resources_help_url: null
+
 # Configuration relating to API calls.
 # This can be overridden in the user config file.
 api:

src/Command/Resources/ResourcesGetCommand.php

@@ -36,6 +36,9 @@ protected function configure()
             ->addOption('type', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Filter by service, app or worker type, e.g. "postgresql"');
         $this->addProjectOption()->addEnvironmentOption();
         Table::configureInput($this->getDefinition(), $this->tableHeader, $this->defaultColumns);
+        if ($this->config()->has('service.resources_help_url')) {
+            $this->setHelp('For more information on managing resources, see: <info>' . $this->config()->get('service.resources_help_url') . '</info>');
+        }
     }
 
     protected function execute(InputInterface $input, OutputInterface $output)

src/Command/Resources/ResourcesSetCommand.php

@@ -49,6 +49,10 @@ protected function configure()
             '',
             'If the same service and resource is specified on the command line multiple times, only the final value will be used.'
         ];
+        if ($this->config()->has('service.resources_help_url')) {
+            $helpLines[] = '';
+            $helpLines[] = 'For more information on managing resources, see: <info>' . $this->config()->get('service.resources_help_url') . '</info>';
+        }
         $this->setHelp(implode("\n", $helpLines));
 
         $this->addExample('Set profile sizes for two apps and a service', '--size frontend:0.1,backend:.25,database:1');