Deployment failing on render but works locally with docker

[kibetrns]

This is the error that shows upon delpoyment.

Port scan timeout reached, no open ports detected on 0.0.0.0. Detected open ports on localhost -- did you mean to bind one of these to 0.0.0.0?

[kibetrns]

==> No open ports detected on 0.0.0.0, continuing to scan...
==> Docs on specifying a port: https://render.com/docs/web-services#port-binding

It keeps displaying the above until it finally fails.

When I deploy a docker image it runs and deploys successfully: