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Sorry to hear you’re facing problems 
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Or for longer, use three backticks above and below the code snippet:
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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): 24.0.4
Operating system and version (eg, Ubuntu 20.04): Debian GNU/Linux 11 (bullseye)
Apache or nginx version (eg, Apache 2.4.25): replace me
PHP version (eg, 7.4): 8.0.21
The issue you are facing:
Hello!
I have Nextcloud 24.0.4 running on a docker container and I’m getting this “Some jobs haven’t been executed since 29 days ago. Please consider increasing the execution frequency.” message.
And now my server seems to be all buggy and started getting ‘‘Server not found’’ while trying to upload files.
I read I need to set up a cron job to run the cron.php file, but I can’t even find cron installed in the Nextcloud docker container.
As a workaround, I tried to install and set up uptime-kuma to ping the http://192.168.15.36:8082/cron.php link. Even though uptime-kuma receives a response from Nextcloud, it does not seem to be running the cron job.
Is this the first time you’ve seen this error? : Yes
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'htaccess.RewriteBase' => '/',
'memcache.local' => '\\OC\\Memcache\\APCu',
'apps_paths' =>
array (
0 =>
array (
'path' => '/var/www/html/apps',
'url' => '/apps',
'writable' => false,
),
1 =>
array (
'path' => '/var/www/html/custom_apps',
'url' => '/custom_apps',
'writable' => true,
),
),
'instanceid' => 'ocwkf9bgmxlg',
'passwordsalt' => '783xd74W3ndWQhSgx92RbtlU78+O/p',
'secret' => 'Trh0a99UuHUerKtEolULEfKPPLug3wBln2fFzBau0tLckoFI',
'trusted_domains' =>
array (
0 => 'nasty.local:8082',
1 => '192.168.15.36:8082',
),
'datadirectory' => '/var/www/html/data',
'dbtype' => 'mysql',
'version' => '24.0.4.1',
'overwrite.cli.url' => 'http://nasty.local:8082',
'dbname' => 'nextcloud',
'dbhost' => '192.168.15.36:3306',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => 'nextcloud',
'dbpassword' => '9517',
'installed' => true,
'mail_smtpmode' => 'smtp',
'mail_smtpsecure' => 'tls',
'mail_smtphost' => 'smtp-mail.outlook.com',
'mail_smtpport' => '587',
'mail_sendmailmode' => 'smtp',
'mail_from_address' => 'filipe',
'mail_domain' => 'hotmail.com',
'mail_smtpauth' => 1,
'mail_smtpname' => 'filipe@hotmail.com',
'mail_smtppassword' => '',
'updater.secret' => '$2y$10$iPwgcDslIQj.pdLBAYmAqep0boSVLbBl04U8ZII8.5FrzznN7ZZr.',
'loglevel' => 2,
'maintenance' => false,
'default_phone_region' => 'US',
'enable_previews' => true,
);
Can I get some help, please? 