fix: delay nginx start by 20s to wait for Next.js and FastAPI to boot

supervisord.conf

@@ -28,13 +28,16 @@ directory=/app/frontend
 environment=PORT="3000",NODE_ENV="production",NEXT_PUBLIC_API_URL=""
 autostart=true
 autorestart=true
+startsecs=3
 stdout_logfile=/var/log/supervisor/nextjs.log
 stderr_logfile=/var/log/supervisor/nextjs.log
 
 # ── nginx reverse proxy ──────────────────────────────────────────────────────
 [program:nginx]
-command=nginx -g "daemon off;"
+; Wait for FastAPI and Next.js to be up before nginx starts
+command=bash -c "sleep 20 && nginx -g 'daemon off;'"
 autostart=true
 autorestart=true
+startsecs=21
 stdout_logfile=/var/log/supervisor/nginx.log
 stderr_logfile=/var/log/supervisor/nginx.log