proxies: work around reg path issue
    
    reg is putting a /static/ into asset path since it's upgrade.
    Just alias it to / here to avoid the problem for now.
    Hopefully we are going to be moving to quay.io and can stop caring about
    it.
    
    Fixes infra 10673
    
    Signed-off-by: Kevin Fenzi <kevin@scrye.com>