check if the user didn't choose to install Nextcloud

management/dns_update.py

@@ -11,6 +11,7 @@ import dns.resolver
 
 from mailconfig import get_mail_domains
 from utils import shell, load_env_vars_from_file, safe_domain_name, sort_domains
+from os import environ
 
 # From https://stackoverflow.com/questions/3026957/how-to-validate-a-domain-name-using-regex-php/16491074#16491074
 # This regular expression matches domain names according to RFCs, it also accepts fqdn with an leading dot,
@@ -280,6 +281,7 @@ def build_zone(domain, all_domains, additional_records, www_redirect_domains, en
 		if not has_rec(dmarc_qname, "TXT", prefix="v=DMARC1; "):
 			records.append((dmarc_qname, "TXT", 'v=DMARC1; p=reject', "Recommended. Prevents use of this domain name for outbound mail by specifying that the SPF rule should be honoured for mail from @%s." % (qname + "." + domain)))
 
+        if environ.get('DISABLE_NEXTCLOUD') != '1':
         	# Add CardDAV/CalDAV SRV records on the non-primary hostname that points to the primary hostname.
         	# The SRV record format is priority (0, whatever), weight (0, whatever), port, service provider hostname (w/ trailing dot).
         	if domain != env["PRIMARY_HOSTNAME"]: