associate domain names with your nextcloud snap $ nextcloud.occ config:system:set trusted_domains 1 \ –value=nextcloud.foo.bar $ nextcloud.occ config:system:set trusted_domains 2 \ –value=192.168.1.11 and then get new certs from letsencrypt $ nextcloud.enable-https lets-encrypt from: https://medium.com/@dbclin/administrating-nextcloud-as-a-snap-4eb43ca6d095