fix: increase dns challenge timeout settings and use cloudflare dns

Author: pcfreak30

Diff for: Caddyfile.cluster

@@ -8,6 +8,14 @@
 		auth_password "{$CLOUDNS_AUTH_PASSWORD}"
 	}
 
+	acme_ca https://acme-v02.api.letsencrypt.org/directory {
+		dns_challenge {
+			propagation_timeout 120s
+			dns_timeout 30s
+			resolvers 1.1.1.1
+		}
+	}
+
 	# Configure storage for clustering
 	storage etcd {
 		prefix "{$PORTAL_CORE_CLUSTERED_ETCD_PREFIX}"
@@ -36,4 +44,4 @@
 # Handle direct domain access
 :80, :443 {
 	reverse_proxy localhost:{$PORTAL_CORE_PORT}
-}
+}

Diff for: Caddyfile.cluster.notls

@@ -8,6 +8,14 @@
 		auth_password "{$CLOUDNS_AUTH_PASSWORD}"
 	}
 
+	acme_ca https://acme-v02.api.letsencrypt.org/directory {
+		dns_challenge {
+			propagation_timeout 120s
+			dns_timeout 30s
+			resolvers 1.1.1.1
+		}
+	}
+
 	# Configure storage for clustering
 	storage etcd {
 		prefix "{$PORTAL_CORE_CLUSTERED_ETCD_PREFIX}"
@@ -30,4 +38,4 @@
 # Handle direct domain access
 :80, :443 {
 	reverse_proxy localhost:{$PORTAL_CORE_PORT}
-}
+}