feat: Add CloudNS SSL support with env vars to clustered version

Caddyfile

@@ -2,6 +2,14 @@
 	# Enable admin API for clustering
 	admin off
 
+	# Global ACME DNS configuration for all sites
+	tls {
+		dns cloudns {
+			auth_id "{$CLOUDNS_AUTH_ID}"
+			auth_password "{$CLOUDNS_AUTH_PASSWORD}"
+		}
+	}
+
 	# 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}
-}
+}

Dockerfile

@@ -1,7 +1,8 @@
 FROM caddy:2.9-builder AS builder
 
 RUN xcaddy build \
-    --with go.lumeweb.com/caddy-etcd
+    --with go.lumeweb.com/caddy-etcd \
+    --with github.com/anxuanzi/caddy-dns-ClouDNS
 
 FROM caddy:2.9-alpine
 
@@ -15,4 +16,4 @@ COPY --from=builder /usr/bin/caddy /usr/bin/caddy
 
 RUN chmod +x /entrypoint.sh
 
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.sh"]