map $ssl_preread_server_name $name {
    watch.mommys.plumbing    watch_mommys_plumbing;
    glower.agency            glower_agency;
    wiretap.glower.agency    wiretap_glower_agency;
}

upstream watch_mommys_plumbing {
    server 172.31.206.1:443;
}

upstream glower_agency {
    server 172.31.206.2:443;
}

upstream wiretap_glower_agency {
    server 172.31.206.2:443;
}

server {
    listen      443;
    proxy_pass  $name;
    ssl_preread on;
}