This worked great. For those looking to apply the same solution. And running Nextcloud in snap. You need a cert.pem, key.pem and chain.pem file. The latter can be found here: https://developers.cloudflare.com/ssl/origin-configuration/origin-ca/#cloudflare-origin-ca-root-certificate The cert and key can be generated from your Cloudflare Dashboard under Domains > SSL/TLS > Edge Certificate.

Place all three files in /var/snap/nextcloud/12345/certs/live/ where 12345 can vary for you.

Finally sudo nextcloud.enable-https custom cert.pem key.pem chain.pem Profit!

3 people independently advice dns challenge. They all deserve the same appreciation don’t they?

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Thanks for the reply, among all answers I chose this. Just because it works for me.

Thanks for the reply, among all answers I chose this. Just because it works for me.

Thanks for the reply, among all answers I chose this. Just because it works for me.