nginx-config

server {
    server_name www.freemap.sk;

    root /home/freemap/www;

    location ~ ^/~(.+?)(/.*)?$ {
      charset UTF-8;
      alias /home/$1/www$2;
      autoindex on;
    }

    location /sitemap {
      add_header Content-Type 'text/html';
    }

    location = / {
      set $cond "";

      if ($http_user_agent ~ "\b(UCBrowser|PetalBot|YaBrowser|Applebot|Googlebot|AdsBot|Bingbot|Slurp|DuckDuckBot|Baiduspider|YandexBot|Sogou|ia_archiver|Mediapartners)\b") {
        set $cond a;
      }

      if ($args ~ "layers=X&osm-(node|way|relation)=\d+&lang=sk") {
        set $cond "${cond}a";
      }

      if ($cond = aa) {
        rewrite ^ /sitemap/$args;
      }

      set $lang_sup "en,sk,cs,hu";
      set_by_lua_file $lang_accept /etc/nginx/lang.lua $lang_sup;
      try_files $uri /index-$lang_accept.html;
    }

    location ~ /index-\w\w\.html {
        add_header Cache-Control 'no-store, max-age=0';
    }

    location ~ ".+\.[a-z0-9]{20}\..+$|\.png$|\.jpg$" {
        add_header Cache-Control 'max-age=31536000';
    }

    location /pgbadger {
        alias /var/www/pgbadger;
    }

    listen [::]:443 ssl http2; # managed by Certbot
    listen 443 ssl http2; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/www.freemap.sk/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/www.freemap.sk/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}

server {
    if ($host = www.freemap.sk) {
        return 301 https://$host$request_uri;
    } # managed by Certbot

    listen 80;
    listen [::]:80;

    server_name www.freemap.sk;

    return 404; # managed by Certbot
}