ActivityPub: 503 and then 404 and 401 errors, with Ghost CLI

[m44]

Don’t know if this might be of use, but worth a try:

Fixing Ghost ActivityPub 404 Error on Self-Hosted Installation

Problem When trying to enable ActivityPub/Network features on a self-hosted Ghost instance (with or without Cloudflare), you may encounter: The Network tab shows errors or fails to load API endpoints return 403 errors with ROLE_MISSING or SITE_MISSING codes Ghost logs show: ERROR No webhook secret found - cannot initialise Critical issue: /ghost/.well-known/jwks.json returns 404 Summary The key insight is that Ghost’s ActivityPub initialization requires reading a JWKS (JSON Web Key Set) endpo…