Nginx PHP - Server blocks config template

Nginx Server blocks config template (http and https) for php websites and web application

upstream php-handler {
    #server 127.0.0.1:9000;
    server unix:/var/run/php/php7.1-fpm.sock;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    include snippets/ssl-certs.conf;
    include snippets/ssl-params.conf;

    server_name www.website.tld website.local;

    root /var/www/ROOT;
    index index.php index.html;

    add_header 'Access-Control-Max-Age' 1728000 always;

    #error_page 403 /core/templates/403.php;
    #error_page 404 /core/templates/404.php;

    location / {
        try_files $uri $uri/ =404;
     }

    error_page 403 /403.html;
    location = /403.html {
         root  /var/www/403;
         internal;
    }

    error_page 404 /404.html;
    location = /404.html {
         root  /var/www/404;
         internal;
    }
}

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

	server_name www.website.tld website.local;

    root /var/www/ROOT;
    index index.php index.html;

    add_header 'Access-Control-Max-Age' 1728000 always;

    #error_page 403 /core/templates/403.php;
    #error_page 404 /core/templates/404.php;

    location / {
        try_files $uri $uri/ =404;
     }

    error_page 403 /403.html;
    location = /403.html {
         root  /var/www/403;
         internal;
    }

    error_page 404 /404.html;
    location = /404.html {
         root  /var/www/404;
         internal;
    }
}

File snippets/ssl-certs.conf

ssl_protocols TLSv1.2;
ssl_prefer_server_ciphers on;
ssl_ciphers ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384;
ssl_ecdh_curve secp384r1; # Requires nginx >= 1.1.0
ssl_session_timeout  10m;
ssl_session_cache shared:SSL:10m;
ssl_session_tickets off; # Requires nginx >= 1.5.9
# ssl_stapling on; # Requires nginx >= 1.3.7
# ssl_stapling_verify on; # Requires nginx => 1.3.7
resolver 8.8.8.8 8.8.4.4 valid=300s;
resolver_timeout 5s;
#add_header X-Frame-Options DENY;
#add_header X-Content-Type-Options nosniff;
#add_header X-XSS-Protection "1; mode=block";

File snippets/ssl-certs.conf

ssl_certificate /etc/ssl/certs/nginx-selfsigned.crt;
ssl_certificate_key /etc/ssl/private/nginx-selfsigned.key;