Hi, I have also seen this error several times. In my experience, it is almost always caused by a misconfiguration of Nginx.
On my equipment, there is an exception to that rule when Nginx serves outside connections as a reverse proxy to the local network, i.e. something like: [1] (body (list "proxy_pass http://lechner-desktop.us-core.com:3011;"; "proxy_set_header Host $host;" "proxy_set_header X-Real-IP $remote_addr;" "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;")) but that's somewhat exotic. It triggers a "host not found" in the logs. My particular failure may have to do with the service ordering in Shepherd, although I have not been able to fix it. For example, the default prerequisites for Nginx do not even include 'networking. [2] Either way, Nginx is configured to respawn, so my bug is probably elsewhere. Closing this issue. Kind regards Felix [1] https://codeberg.org/lechner/system-config/src/commit/fca07b73068b043d57930266a2102af05b0b0aa9/host/wallace-server/operating-system.scm#L892-L895 [2] https://codeberg.org/lechner/guix/src/commit/f25529b08e356f89ca7cecc44295085531a8faba/gnu/services/web.scm#L567
