Multiple questions when starting a status node

[webmaster128]

Hi all and thanks for building Status!

Problem

I want to run a status node. For fun. This should be easy to do since we need nodes, right? In the process I encountered multiple problems/questions that could use better documentation in order to help me and others.

1. Docker tag: in the docs the tag 0.16.0 is fixed, which seems outdated. However, the list of alternative docker tags look very confusing to users. All the recent tags have some -prerelease suffix. The permanent tags latest/deploy-test/deploy-beta/deploy-postgres/deploy-incent/deploy-staging are not documented. Could we have a tiny little guide in the dockerhub README helping to pick the right tag?
2. Default command: Running docker run --rm statusteam/status-go:0.16.0 (as documented here) results in the help message with a non-0 exit code. Even the help message shows a usage without arguments but the application does not like it. As soon as I add any of the suggested command line arguments, it works.
3. Ports: It is not documented which port I need to open in order for p2p connectivity to work
4. debug_metrics: How can I find docs to the debug_metrics RPC call? I did not find any on the web and the endpoint is not listed here. I had to find the required 1st parameter by trial and error and still don't understand what it means.
5. Peers 1: How can I find out if other peers can see me?
6. Peers 2: The admin_peers RPC call lists 4 peers only, is that expected?

[status-github-bot[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.