#!/bin/bash nc -z "$NEXTCLOUD_HOST" 9000 || exit 0 nc -z 127.0.0.1 8000 || exit 1 nc -z 127.0.0.1 "$APACHE_PORT" || exit 1 if ! nc -z "$NC_DOMAIN" 443; then echo "Could not reach $NC_DOMAIN on port 443." exit 1 fi