Move env var default values to EnvVars enum

module/CLI/config/cli.config.php

@@ -45,6 +45,8 @@ return [
                 Command\RedirectRule\ManageRedirectRulesCommand::class,
 
             Command\Integration\MatomoSendVisitsCommand::NAME => Command\Integration\MatomoSendVisitsCommand::class,
+
+            Command\Config\ReadEnvVarCommand::NAME => Command\Config\ReadEnvVarCommand::class,
         ],
     ],
 

module/CLI/config/dependencies.config.php

@@ -75,6 +75,8 @@ return [
             Command\RedirectRule\ManageRedirectRulesCommand::class => ConfigAbstractFactory::class,
 
             Command\Integration\MatomoSendVisitsCommand::class => ConfigAbstractFactory::class,
+
+            Command\Config\ReadEnvVarCommand::class => InvokableFactory::class,
         ],
     ],
 

module/CLI/src/Command/Db/AbstractDatabaseCommand.php

@@ -17,7 +17,7 @@ abstract class AbstractDatabaseCommand extends AbstractLockedCommand
 
     public function __construct(
         LockFactory $locker,
-        private ProcessRunnerInterface $processRunner,
+        private readonly ProcessRunnerInterface $processRunner,
         PhpExecutableFinder $phpFinder,
     ) {
         parent::__construct($locker);