Setup Storj to Asustor AS3304T nas

This command should be used only once.

This is normal for docker setup, all required parameters you provide in the CLI, they have a precedence above parameters in config.yaml.

The ping failed means that your address is not available from outside.
Please, use this checklist to troubleshoot:

I would only add, that you need to forward UDP 28967 as well or modify your port forwarding rule to forward both protocols - TCP+UDP.
Please, also make sure to add allowance rules to the firewall on your NAS.