Nginx issue, when i am stop and starting the app getting "502 Bad Gateway"

root@amsaal:/var/discourse# ./launcher logs app
x86_64 arch detected.
run-parts: executing /etc/runit/1.d/00-ensure-links
run-parts: executing /etc/runit/1.d/00-fix-var-logs
run-parts: executing /etc/runit/1.d/01-cleanup-web-pids
run-parts: executing /etc/runit/1.d/anacron
run-parts: executing /etc/runit/1.d/cleanup-pids
Cleaning stale PID files
run-parts: executing /etc/runit/1.d/copy-env
run-parts: executing /etc/runit/1.d/letsencrypt
[Mon 15 Apr 2024 10:12:06 AM UTC] Domains not changed.
[Mon 15 Apr 2024 10:12:06 AM UTC] Skip, Next renewal time is: 2024-06-12T11:28:31Z
[Mon 15 Apr 2024 10:12:06 AM UTC] Add '--force' to force to renew.
[Mon 15 Apr 2024 10:12:07 AM UTC] Installing key to: /shared/ssl/amsaal.net.key
[Mon 15 Apr 2024 10:12:07 AM UTC] Installing full chain to: /shared/ssl/amsaal.net.cer
[Mon 15 Apr 2024 10:12:07 AM UTC] Run reload cmd: sv reload nginx
warning: nginx: unable to open supervise/ok: file does not exist
[Mon 15 Apr 2024 10:12:07 AM UTC] Reload error for :
[Mon 15 Apr 2024 10:12:07 AM UTC] Domains not changed.
[Mon 15 Apr 2024 10:12:07 AM UTC] Skip, Next renewal time is: 2024-06-12T11:28:38Z
[Mon 15 Apr 2024 10:12:07 AM UTC] Add '--force' to force to renew.
[Mon 15 Apr 2024 10:12:08 AM UTC] Installing key to: /shared/ssl/amsaal.net_ecc.key
[Mon 15 Apr 2024 10:12:08 AM UTC] Installing full chain to: /shared/ssl/amsaal.net_ecc.cer
[Mon 15 Apr 2024 10:12:08 AM UTC] Run reload cmd: sv reload nginx
warning: nginx: unable to open supervise/ok: file does not exist
[Mon 15 Apr 2024 10:12:08 AM UTC] Reload error for :
Started runsvdir, PID is 537
ok: run: redis: (pid 550) 0s
ok: run: postgres: (pid 551) 0s
nginx: [warn] the "listen ... http2" directive is deprecated, use the "http2" directive instead in /etc/nginx/conf.d/discourse.conf:60
supervisor pid: 545 unicorn pid: 577
root@amsaal:/var/discourse#