Module supabase/functions/verify_custom_domain

Fileoverview

Verify Custom Domain Edge Function

Verifies DNS configuration for a custom domain and provisions the Caddy vhost if DNS verification succeeds.

Endpoint

POST /verify_custom_domain

Auth

Required - JWT verified by Supabase

Remarks

Verification process:

1. Fetches domain record with container details
2. Determines expected DNS value based on dns_method (A or CNAME)
3. Queries Cloudflare DNS-over-HTTPS to verify record
4. If DNS matches, calls Infrastructure Provisioner to add Caddy vhost
5. Updates domain status to 'ready' or 'error'

DNS Methods:

• a: Expects A record pointing to 46.224.1.156
• cname: Expects CNAME record pointing to container's edge_hostname

Tables touched:

• custom_domains (read/write)
• sgtm_containers (read via join)

External services:

• Cloudflare DNS-over-HTTPS (cloudflare-dns.com)
• Infrastructure Provisioner (INFRA_PROVISIONER_URL) for Caddy setup

Example: Request body

{ "domain_id": "uuid" }
Copy

Returns

200 - Success with domain status (ready or error with details)

Returns

400 - Missing domain_id or container not configured

Returns

404 - Domain not found

Returns

500 - Server configuration error or infrastructure failure