Backend won't start: 503

I got the same problem
k3s version: v1.30.10+k3s1
helm chart version: 1.14.3

mongodb logs

{"t":{"$date":"2025-03-08T11:19:03.771+00:00"},"s":"I",  "c":"-",        "id":20883,   "ctx":"conn284","msg":"Interrupted operation as its client disconne │
│ {"t":{"$date":"2025-03-08T11:19:03.771+00:00"},"s":"I",  "c":"NETWORK",  "id":22944,   "ctx":"conn287","msg":"Connection ended","attr":{"remote":"127.0.0. │
│ {"t":{"$date":"2025-03-08T11:19:03.772+00:00"},"s":"I",  "c":"NETWORK",  "id":22944,   "ctx":"conn286","msg":"Connection ended","attr":{"remote":"127.0.0. │
│ {"t":{"$date":"2025-03-08T11:19:03.774+00:00"},"s":"I",  "c":"NETWORK",  "id":22944,   "ctx":"conn284","msg":"Connection ended","attr":{"remote":"127.0.0. │
│ {"t":{"$date":"2025-03-08T11:19:42.588+00:00"},"s":"I",  "c":"NETWORK",  "id":22943,   "ctx":"listener","msg":"Connection accepted","attr":{"remote":"127. │
│ {"t":{"$date":"2025-03-08T11:19:42.594+00:00"},"s":"I",  "c":"NETWORK",  "id":51800,   "ctx":"conn288","msg":"client metadata","attr":{"remote":"127.0.0.1 │
│ {"t":{"$date":"2025-03-08T11:19:42.614+00:00"},"s":"I",  "c":"NETWORK",  "id":22943,   "ctx":"listener","msg":"Connection accepted","attr":{"remote":"127. │
│ {"t":{"$date":"2025-03-08T11:19:42.614+00:00"},"s":"I",  "c":"NETWORK",  "id":22943,   "ctx":"listener","msg":"Connection accepted","attr":{"remote":"127. │
│ {"t":{"$date":"2025-03-08T11:19:42.616+00:00"},"s":"I",  "c":"NETWORK",  "id":51800,   "ctx":"conn289","msg":"client metadata","attr":{"remote":"127.0.0.1 │
│ {"t":{"$date":"2025-03-08T11:19:42.618+00:00"},"s":"I",  "c":"NETWORK",  "id":51800,   "ctx":"conn290","msg":"client metadata","attr":{"remote":"127.0.0.1 │
│ {"t":{"$date":"2025-03-08T11:19:42.621+00:00"},"s":"I",  "c":"NETWORK",  "id":22943,   "ctx":"listener","msg":"Connection accepted","attr":{"remote":"127. │
│ {"t":{"$date":"2025-03-08T11:19:42.628+00:00"},"s":"I",  "c":"NETWORK",  "id":51800,   "ctx":"conn291","msg":"client metadata","attr":{"remote":"127.0.0.1 │
│ {"t":{"$date":"2025-03-08T11:19:43.726+00:00"},"s":"I",  "c":"NETWORK",  "id":22944,   "ctx":"conn290","msg":"Connection ended","attr":{"remote":"127.0.0. │
│ {"t":{"$date":"2025-03-08T11:19:43.726+00:00"},"s":"I",  "c":"NETWORK",  "id":22944,   "ctx":"conn291","msg":"Connection ended","attr":{"remote":"127.0.0. │
│ {"t":{"$date":"2025-03-08T11:19:43.726+00:00"},"s":"I",  "c":"NETWORK",  "id":22944,   "ctx":"conn289","msg":"Connection ended","attr":{"remote":"127.0.0. │
│

and backend

Waiting DB
kubectl get svc -n browsertrix 
NAME                         TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)             AGE
browsertrix-cloud-backend    ClusterIP   10.43.119.109   <none>        8000/TCP,8756/TCP   48m
browsertrix-cloud-frontend   ClusterIP   10.43.100.54    <none>        80/TCP              48m
cm-acme-http-solver-gmhsr    NodePort    10.43.180.44    <none>        8089:30429/TCP      31m
local-mongo                  ClusterIP   None            <none>        27017/TCP           48m