#!/usr/bin/env bash

CONF_DIR="/etc/nginx/sites-enabled"
OLD_DEFAULT="default"
NEW_DEFAULT="api"

# remove old default
sed -i'' -e 's/\s*default_server\s*//' "${CONF_DIR}/${OLD_DEFAULT}"

# set new default
sed -i'' -e 's/\(\s*listen 80\);/\1 default_server;/' "${CONF_DIR}/${NEW_DEFAULT}"

service nginx configtest && service nginx reload