##
# You should look at the following URL's in order to grasp a solid understanding
# of Nginx configuration files in order to fully unleash the power of Nginx.
# https://www.nginx.com/resources/wiki/start/
# https://www.nginx.com/resources/wiki/start/topics/tutorials/config_pitfalls/
# https://wiki.debian.org/Nginx/DirectoryStructure
#
# In most cases, administrators will remove this file from sites-enabled/ and
# leave it as reference inside of sites-available where it will continue to be
# updated by the nginx packaging team.
#
# This file will automatically load configuration files provided by other
# applications, such as Drupal or Wordpress. These applications will be made
# available underneath a path with that package name, such as /drupal8.
#
# Please see /usr/share/doc/nginx-doc/examples/ for more detailed examples.
##

# Default server configuration
#
server {
    listen 80 default_server;
    listen [::]:80 default_server;
    server_name _;
    server_tokens off;

    # Cert bot challenge
    #
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }
    # Otherwise redirect to https
    #
    location / {
        return 301 https://$host$request_uri;
    }

    ## If host name is not known, then simply return 404
    ##
    set $known_host 0;
    if ($host = www.vostan.org) {
        set $known_host 1;
    }
    if ($host = drive.vostan.org) {
        set $known_host 1;
    }
    if ($host ~* "^.+\.app\.vostan\.org$") {
       set $known_host 1;
    }
    if ($known_host != 1) {
       return 404;
    }
}