Need URI for a ECS Cluster

My scenario is the following:

I was running mlflow locally in my machine setting my tracking uri as follows:

mlflow.set_tracking_uri("http://127.0.0.1:5000")

Now I am running the mlflow server in a ECS cluster which takes care of executing the server in EC2, mlflow db stored in S3, and mlflow logs and artifacts stored in RDS.

I need to replace the "http://127.0.0.1:5000" with the cluster's URI, but I cannot find the URI anywhere in the cluster configuration. I am not running load balancing.

Here is the document that I have been referring to: https://aws.amazon.com/blogs/machine-learning/managing-your-machine-learning-lifecycle-with-mlflow-and-amazon-sagemaker/

Can I do this without the load balancing, or should I need to just for the sake of getting a URI?

Thanks!