mod proxy - Apache proxypass issue with firefox -

mod proxy - Apache proxypass issue with firefox -

i've got wordpress blog running in docker container, , i'm trying reverse proxy virtualhost in host's apache config. vhost config looks this:

<virtualhost *:80> servername my.vhost.com proxyrequests off proxypreservehost on proxypass / http://127.0.0.1:8084/ proxypassreverse / http://127.0.0.1:8084/ </virtualhost>

when visit in chrome, works fine. when pull through curl looks fine. when go my.vhost.com in firefox redirects me host ip address (no port).

does know what's going on here?

apache mod-proxy vhosts proxypass