nginx.conf

worker_processes auto;
worker_rlimit_nofile 65535;

events {
	multi_accept on;
	worker_connections 65535;
}

http {
	charset utf-8;
	sendfile on;
	tcp_nopush on;
	tcp_nodelay on;
	server_tokens off;
	log_not_found off;
	types_hash_max_size 2048;
	client_max_body_size 16M;

	# MIME
	include mime.types;
	default_type application/octet-stream;

	# logging
	access_log /var/log/nginx/access.log;
	error_log /var/log/nginx/error.log warn;

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

        root /var/www/;

        # index.html fallback
        location / {
            try_files $uri $uri/ /index.html;
        }

        # security headers
        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-XSS-Protection "1; mode=block" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header Referrer-Policy "no-referrer-when-downgrade" always;
        add_header Content-Security-Policy "default-src * data: 'unsafe-eval' 'unsafe-inline'" always;

        # . files
        location ~ /\.(?!well-known)/ {
            deny all;
        }

        # assets, media
        location ~* \.(?:css(\.map)?|js(\.map)?|jpe?g|png|gif|ico|cur|heic|webp|tiff?|mp3|m4a|aac|ogg|midi?|wav|mp4|mov|webm|mpe?g|avi|ogv|flv|wmv)$ {
            expires 7d;
            access_log off;
        }

        # svg, fonts
        location ~* \.(?:svgz?|ttf|ttc|otf|eot|woff2?)$ {
            add_header Access-Control-Allow-Origin "*";
            expires 7d;
            access_log off;
        }

        # gzip
        gzip on;
        gzip_vary on;
        gzip_proxied any;
        gzip_comp_level 6;
        gzip_types text/plain text/css text/xml application/json application/javascript application/xml+rss application/atom+xml image/svg+xml;
    }
}