Removes deprecated -f flag
Removes deprecated -f flag

Fixes `unknown shorthand flag: 'f' in -f`

https://docs.docker.com/engine/deprecated/#f-flag-on-docker-tag:9c0d3b2efa16c5c274427efa73f212c9

openzipkin/docker-zipkin,openzipkin/docker-zipkin,itszero/docker-zipkin,itszero/docker-zipkin