How to make static app port?

I created dokku application and deploy my nodejs project. I don’t need custom domain. But after each deploy app-port increments(:49155 -> :49156 etc.). How I can make static app-port?

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That’s how docker works, unfortunately. I don’t think Dokku supports deploying an app on a static port. <br> <br>You can however point it to an arbitrary domain name and add it to your <code>/etc/hosts</code> file locally so you can access it.