TL;DR. golang.org/x/net/idna.Lookup.ToASCII runs UTS-46 NFKC mapping 0-9. A pre-IDNA net.ParseIP check rejects the NO_PROXY lists, TLS-SNI routers, and cookie-domain validators that TrimRight + ParseAddr golang.org/x/net/http/httpproxy, the canonical safe pattern, and two I ran into this one while writing a Go HTTP client for a private project. I idna.Lookup.ToASCII canonicalising the host The sha
Supabase Webhooks Deep Dive — Database Triggers, pg_net & Edge Function Patterns Supabase Webhooks let you react to INSERT/UPDATE/DELETE events on any table and call an external endpoint or an Edge Function automatically. Under the hood it uses the pg_net extension to fire non-blocking HTTP requests directly from PostgreSQL triggers. DB change → pg_net (async HTTP) → Edge Function or external en