After installing Nextcloud via Docker, and if you go to /settings/admin/overview, you might find some warnings that you need to do further configurations to get rid of.

Service Discovery

Your web server is not properly set up to resolve “/.well-known/caldav”. Your web server is not properly set up to resolve “/.well-known/carddav”.

Go to the app/ directory where you’ll find the .htaccess file, and change the following lines:

  RewriteRule ^\.well-known/carddav /remote.php/dav/ [R=301,L]
  RewriteRule ^\.well-known/caldav /remote.php/dav/ [R=301,L]

To:

  RewriteRule ^\.well-known/carddav https://%{SERVER_NAME}/remote.php/dav/ [R=301,L]
  RewriteRule ^\.well-known/caldav https://%{SERVER_NAME}/remote.php/dav/ [R=301,L]

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Cron Jobs not working

You will need to setup a cron job from your host system. Try:

sudo crontab -e

Then add this line at the bottom:

*/5 * * * * docker exec -u www-data [containername] php /var/www/html/cron.php

Make sure to change [containername] to the actual name of your container.

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