A nice guy on Discord shared this command. It just makes a dump of the docker network settings in running containers ( container, networks, IP’s, internal and external port numbers).
sudo docker inspect -f ‘{{.Name}}~{{range $k, $v := .NetworkSettings.Networks}}{{$k}}~{{.IPAddress}} {{end}}~{{range $k, $v := .NetworkSettings.Ports}}{{ if not $v }}{{$k}} {{end}}{{end}} ~{{range $k, $v := .NetworkSettings.Ports}}{{ if $v }}{{$k}} => {{range . }}{{ .HostIp}}:{{.HostPort}}{{end}}{{end}} {{end}}’ $(sudo docker ps -aq) | column -t -s~ -N container_name,network,internal_ports,host_ports