Modify redis docs to use modern linking with dns/hostname
Modify redis docs to use modern linking with dns/hostname

Signed-off-by: Sven Dowideit <6f6969dc7db01e7204496bfb27e43d63ec4b2eb3@home.org.au>

dmetzler/docker-library-docs,appropriate/docker-library-docs,caoyangs/docs,nats-io/docker-docs,vaygr/docker-library-docs,crate/docker-docs,Bonitasoft-Community/docker_docs,docker-flink/docs,ceejatec/docs,appropriate/docker-library-docs,docker-solr/docs,caoyangs/docs,dinogun/docs,davidcurrie/docs,Lightstreamer/docs,31z4/docs,zendtech/docs,Lightstreamer/docs,crate/docker-docs,odoo/docker-docs,pierreozoux/docs,astawiarski/docs,infosiftr/docker-library-docs,31z4/docs,tilosp-docker/library-docs,avoinea/docs,docker-library/docs,orientechnologies/docker-docs,car031/docs,pydio/docs,dinogun/docs,orientechnologies/docker-docs,avoinea/docs,pydio/docs,vmassol/docs,tilosp-docker/library-docs,infosiftr/docker-library-docs,gprivitera/docs,car031/docs,nats-io/docker-docs,ceejatec/docs,pierreozoux/docs,odoo/docker-docs,Bonitasoft-Community/docker_docs,dmetzler/docker-library-docs,docker-flink/docs,astawiarski/docs,davidcurrie/docs,jetty-project/docker-docs,jetty-project/docker-docs,gprivitera/docs,zendtech/docs,docker-solr/docs,vaygr/docker-library-docs,vmassol/docs,docker-library/docs