Cant run in kubernetes

```

[II] qnib/init-plain script v0.4.28
--
  | > execute entrypoint '/opt/entry/00-logging.sh'
  | > execute entrypoint '/opt/entry/10-docker-secrets.env'
  | [II] Set environment variable KUBERNETES.IO from '/run/secrets/kubernetes.io'
  | cat: read error: Is a directory
  | /opt/entry/10-docker-secrets.env: line 9: declare: `KUBERNETES.IO=': not a valid identifier
```