fix testbox admin go proxy

testbox/Caddyfile

@@ -10,8 +10,18 @@
 {$TESTBOX_ADMIN_DOMAIN} {
 	encode zstd gzip
 
-	@console path /console /console/*
-	reverse_proxy @console console:2700
+	@consoleGo path /console/go /console/go/*
+	handle @consoleGo {
+		uri strip_prefix /console/go
+		reverse_proxy golang:2900
+	}
 
+	@console path /console /console/*
+	handle @console {
+		reverse_proxy console:2700
+	}
+
+	handle {
 		reverse_proxy admin:8080
 	}
+}