Get correct port of http service

Here we need to split this row to find the port which as the http service

b80a85d81a20   portainer/portainer-ce:2.11.0   "/portainer"             2 days ago       Up 7 hours      0.0.0.0:8000->8000/tcp, :::8000->8000/tcp, 0.0.0.0:9443->9443/tcp, :::9443->9443/tcp, 9000/tcp   portainer