Mimic pow and powder by generating a local nginx conf file that is symlinked to the homebrew nginx configuration. requires dnsmasq and nginx to be installed.

dev-dns

#!/bin/bash
rm .nginx.conf

while [[ $# > 1 ]]
do
key="$1"

case $key in
    -p|--port)
    PORT="$2"
    shift
    ;;
    -n|--name)
    NAME="$2"
    shift
    ;;
    --public-path)
    PUBLICPATH="$2"
    shift
    ;;
    *)
            # unknown option
    ;;
esac
shift
done


if [[ -z "$PUBLICPATH" ]]
then
  PUBLICPATH=`pwd`
fi

(
cat <<CONF
upstream $NAME {
    server 127.0.0.1:$PORT;
}

server {
    listen 80;
    server_name $NAME.dev;
    root $PUBLICPATH/public;

    try_files \$uri/index.html \$uri.html \$uri @app;

    location @app {
      proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
      proxy_set_header Host \$http_host;
      proxy_redirect off;

      proxy_pass http://$NAME;
    }
}
CONF
) > .nginx.conf

ln -sf `pwd`/.nginx.conf /usr/local/etc/nginx/sites-enabled/$NAME.dev

sudo nginx -s reload


echo "Start your server on port $PORT and go to http://$NAME.dev"

based on this article http://zaiste.net/2013/03/serving_apps_locally_with_nginx_and_pretty_domains/