after.conf

server {
    listen 80;
    listen [::]:80;

    server_name wsd.events www.wsd.events;
    return 301 https://wsd.events$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name www.wsd.events;
    return 301 https://wsd.events$request_uri;

    ssl_certificate /etc/letsencrypt/live/wsd.events/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/wsd.events/privkey.pem;
    ssl_trusted_certificate /etc/letsencrypt/live/wsd.events/chain.pem;

    include snippets/ssl-params.conf;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name wsd.events;
    root /var/www/wsd.events/html;
    index index.html;

    location ~ ^/([0-9]+)/([0-9]+)/([0-9]+)/pres/(.+)$ {
        rewrite ^/([0-9]+)/([0-9]+)/([0-9]+)/pres/(.+)$ /$1-$2-$3/$4;
    }

    location ~ ^/[0-9]+\-[0-9]+\-[0-9]+/.*$ {
        root /var/www/wsd.events/pres;
    }

    ssl_certificate /etc/letsencrypt/live/wsd.events/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/wsd.events/privkey.pem;
    ssl_trusted_certificate /etc/letsencrypt/live/wsd.events/chain.pem;

    include snippets/ssl-params.conf;
}

before.conf

server {
	listen 80;
	listen 443;
	server_name www.wsd.events;

	rewrite ^ https://wsd.events$request_uri? permanent;
}

server {
        listen 80;
        listen 443 default_server ssl;

 	server_name wsd.events;

	error_log /var/www/wsd.events/www/logs/error.log;
        access_log /var/www/wsd.events/www/logs/access.log;

        index index.html index.htm;
	charset utf-8;
	error_page 404 /404.html;

	root /var/www/wsd.events/www/htdocs;

	# fix issue when http-only domains were accessed by https and served by this server section
	# to fix we redirect other domains outta here
	# see: http://nginx.org/ru/docs/http/configuring_https_servers.html#name_based_https_servers
	# note: might be removed in case when there is only one domain on IP
	if ($http_host !~ wsd.events ) {
		return 302 http://$http_host$request_uri;
	}

        # redirect to ssl version
        if ($ssl_protocol = "") {
            return 301 https://$server_name$request_uri;
        }

        # Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
        # Generate with:
        #   openssl dhparam -out /etc/nginx/dhparam.pem 2048
        ssl_dhparam /etc/nginx/dhparam.pem;

        ssl_certificate /etc/letsencrypt/live/wsd.events/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/wsd.events/privkey.pem;
        ssl_trusted_certificate /etc/letsencrypt/live/wsd.events/fullchain.pem;
        ssl_session_cache shared:SSL:50m;
        ssl_session_timeout 1d;

        # What Mozilla calls "Intermediate configuration"
        # Copied from https://mozilla.github.io/server-side-tls/ssl-config-generator/
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # omit SSLv3 because of POODLE (CVE-2014-3566)
        ssl_prefer_server_ciphers on;
        ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';

        # OCSP Stapling
        # fetch OCSP records from URL in ssl_certificate and cache them
        ssl_stapling on;
        ssl_stapling_verify on;

        # If you want to specify a DNS resolver for stapling, you can uncomment the below
        # line. If you leave it commented, nginx will use your system resolver, which will probably
        # work just fine!
        # resolver <IP DNS resolver>;

	# HSTS (ngx_http_headers_module is required) (15768000 seconds = 6 months)
	add_header Strict-Transport-Security max-age=15768000;

	# tells the browser whether you want to allow your site to be framed or not
	# https://scotthelme.co.uk/hardening-your-http-response-headers/#x-frame-options
	add_header X-Frame-Options "SAMEORIGIN" always;
	# the configuration for the cross-site scripting filter built into most browsers
	# https://scotthelme.co.uk/hardening-your-http-response-headers/#x-xss-protection
	add_header X-Xss-Protection "1; mode=block" always;
	# stop a browser from trying to MIME-sniff the content type and force it to stick with the declared content-type
	# https://scotthelme.co.uk/hardening-your-http-response-headers/#x-content-type-options
	add_header X-Content-Type-Options "nosniff" always;

	if ($new) {
		return 301 $new;
	}

	location / {
		root /var/www/wsd.events/www/htdocs;
	}

        location ~ ^/([0-9]+)/([0-9]+)/([0-9]+)/pres/(.+)$ {
                rewrite ^/([0-9]+)/([0-9]+)/([0-9]+)/pres/(.+)$ /$1-$2-$3/$4;
        }

        location ~ ^/[0-9]+\-[0-9]+\-[0-9]+/.*$ {
                root /var/www/wsd.events/www/pres;
        }

	location ~* \.(?:jpg|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
		expires 1M;
		add_header Cache-Control "public";
	}

	location ~* \.(?:css|js)$ {
		expires max;
		add_header Cache-Control "public";
	}
}