Authenticate to a registry and persist credentials

Usage: ocx login [OPTIONS] [REGISTRY]

Arguments:
  [REGISTRY]  Registry hostname (e.g. `ghcr.io`, `registry.example.com`). Optional - falls back to `OCX_DEFAULT_REGISTRY`

Options:
  -u, --username <USERNAME>   Username for the registry. Prompted when omitted on a TTY
      --password-stdin        Read password/token from stdin. Required in non-interactive contexts
      --allow-insecure-store  Allow plaintext fallback to `~/.docker/config.json` `auths` when no native helper is configured. Default: refuse, exit `ConfigError(78)` with install hint
      --verify                Verify the operation against the registry before committing it (default)
      --no-verify             Skip verification
  -h, --help                  Print help
