only run kernel tasks on one server

lifted from https://github.com/pixelfed/pixelfed/pull/4634

app/Console/Kernel.php

@@ -25,23 +25,23 @@ class Kernel extends ConsoleKernel
 	 */
 	protected function schedule(Schedule $schedule)
 	{
-        $schedule->command('media:optimize')->hourlyAt(40);
-        $schedule->command('media:gc')->hourlyAt(5);
-        $schedule->command('horizon:snapshot')->everyFiveMinutes();
-        $schedule->command('story:gc')->everyFiveMinutes();
-        $schedule->command('gc:failedjobs')->dailyAt(3);
-        $schedule->command('gc:passwordreset')->dailyAt('09:41');
-        $schedule->command('gc:sessions')->twiceDaily(13, 23);
-
-        if(in_array(config_cache('pixelfed.cloud_storage'), ['1', true, 'true']) && config('media.delete_local_after_cloud')) {
-            $schedule->command('media:s3gc')->hourlyAt(15);
+		$schedule->command('media:optimize')->hourlyAt(40)->onOneServer();
+		$schedule->command('media:gc')->hourlyAt(5)->onOneServer();
+		$schedule->command('horizon:snapshot')->everyFiveMinutes()->onOneServer();
+		$schedule->command('story:gc')->everyFiveMinutes()->onOneServer();
+		$schedule->command('gc:failedjobs')->dailyAt(3)->onOneServer();
+		$schedule->command('gc:passwordreset')->dailyAt('09:41')->onOneServer();
+		$schedule->command('gc:sessions')->twiceDaily(13, 23)->onOneServer();
+
+		if (in_array(config_cache('pixelfed.cloud_storage'), ['1', true, 'true']) && config('media.delete_local_after_cloud')) {
+			$schedule->command('media:s3gc')->hourlyAt(15)->onOneServer();
 		}
 
-        if(config('import.instagram.enabled')) {
-            $schedule->command('app:transform-imports')->everyFourMinutes();
-            $schedule->command('app:import-upload-garbage-collection')->hourlyAt(51);
-            $schedule->command('app:import-remove-deleted-accounts')->hourlyAt(37);
-            $schedule->command('app:import-upload-clean-storage')->twiceDailyAt(1, 13, 32);
+		if (config('import.instagram.enabled')) {
+			$schedule->command('app:transform-imports')->everyFourMinutes()->onOneServer();
+			$schedule->command('app:import-upload-garbage-collection')->hourlyAt(51)->onOneServer();
+			$schedule->command('app:import-remove-deleted-accounts')->hourlyAt(37)->onOneServer();
+			$schedule->command('app:import-upload-clean-storage')->twiceDailyAt(1, 13, 32)->onOneServer();
 		}
 	}
 
@@ -52,7 +52,7 @@ class Kernel extends ConsoleKernel
 	 */
 	protected function commands()
 	{
-        $this->load(__DIR__.'/Commands');
+		$this->load(__DIR__ . '/Commands');
 
 		require base_path('routes/console.php');
 	}

contrib/docker/shared/docker-entrypoint.d/00-storage.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
+set -o errexit -o nounset -o pipefail
 
-set -e
 source /lib.sh
 
 entrypoint_log "==> Create the storage tree if needed"

contrib/docker/shared/docker-entrypoint.d/01-cache.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
+set -o errexit -o nounset -o pipefail
 
-set -e
 source /lib.sh
 
 entrypoint_log "==> config:cache"

contrib/docker/shared/docker-entrypoint.d/02-horizon.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
+set -o errexit -o nounset -o pipefail
 
-set -e
 source /lib.sh
 
 as_www_user php artisan horizon:publish