use -o over -b to set bind address
use -o over -b to set bind address

to match rackup behavior

miyazawatomoka/sinatra,twanies/sinatra,JonMidhir/sinatra,ktw1222/sinatra,cyberid41/sinatra,howtolearntocode/sinatra,burningTyger/sinatra,jkowens/sinatra,nottombrown/old-sinatra,sethuster/sinatra,DoraALin/sinatra,ganmacs/sinatra,wzheng1/sinatra,Rayheng/sinatra,ABaldwinHunter/sinatra-classic,dariubs/sinatra,sinatra/sinatra,QLGu/sinatra,mwpastore/sinatra,kgrz/sinatra,siberianbear/sinatra,burningTyger/sinatra,emiliocorpus/sinatra,guidohcosta/sinatra,d-bot/sinatra,porras/sinatra,dariubs/sinatra,siberianbear/sinatra,kyontan/sinatra,QLGu/sinatra,cyberid41/sinatra,guidohcosta/sinatra,autopp/sinatra,nottombrown/old-sinatra,twanies/sinatra,lastcat/sinatra,wzheng1/sinatra,kyontan/sinatra,mwpastore/sinatra,ryanshaw/sinatra,JonMidhir/sinatra,jenalgit/sinatra,burningTyger/sinatra,nicoayala/sinatra,lastcat/sinatra,nju520/sinatra,frechei/sinatra,eileencodes/sinatra,laplaceliu/sinatra,ryanshaw/sinatra,d-bot/sinatra,jenalgit/sinatra,davydovanton/sinatra,trexnix/sinatra,bmizerany/sinatra,midorineko/sinatra,ksw2599/sinatra,ktw1222/sinatra,blambeau/sinatra,ganmacs/sinatra,howtolearntocode/sinatra,emiliocorpus/sinatra,Wirachmat/sinatra,autopp/sinatra,midorineko/sinatra,trexnix/sinatra,jkowens/sinatra,laplaceliu/sinatra,RosenDimov/sinatra,sinatra/sinatra,nju520/sinatra,nicoayala/sinatra,miyazawatomoka/sinatra,JonRowe/sinatra,kumji/sinatra,porras/sinatra,Rayheng/sinatra,defsprite/sinatra,Callygraphy/morrissey,gferguson-gd/sinatra,defsprite/sinatra,JonMidhir/sinatra,mwpastore/sinatra,sethuster/sinatra,ksw2599/sinatra,JonRowe/sinatra,davydovanton/sinatra,marocchino/sinatra,eileencodes/sinatra,DoraALin/sinatra,kumji/sinatra,Wirachmat/sinatra,frechei/sinatra,jkowens/sinatra,ABaldwinHunter/sinatra-classic,gferguson-gd/sinatra,RosenDimov/sinatra