user www-data;
pid /run/nginx.pid;
worker_processes auto;
worker_rlimit_nofile 409600;

events {
	worker_connections 4096;
	multi_accept on;
}

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;

	# load configs
	include /etc/nginx/conf.d/*.conf;

	# example.com
	server {
		listen 80;
		listen [::]:80;
	
		server_name example.com;
		set $base /var/www/example.com;
		root $base/public;
	
		index index.html index.php;
	
		# index
		index index.php;
	
		# $uri, index.php
		location / {
			try_files $uri $uri/ /index.php?$query_string;
		}
	
		# 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 ~ /\. {
			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|woff|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;
	
		# handle .php
		location ~ \.php$ {
			try_files $uri =404;
			
			# fastcgi
			fastcgi_pass				unix:/var/run/php/php7.2-fpm.sock;
			fastcgi_index				index.php;
			fastcgi_split_path_info		^(.+\.php)(/.+)$;
			fastcgi_param				SCRIPT_FILENAME $document_root$fastcgi_script_name;
			fastcgi_param				PHP_ADMIN_VALUE open_basedir=$base/:/usr/lib/php/:/tmp/;
			fastcgi_intercept_errors	off;
			
			fastcgi_buffer_size				128k;
			fastcgi_buffers					256 16k;
			fastcgi_busy_buffers_size		256k;
			fastcgi_temp_file_write_size	256k;
			
			# default fastcgi_params
			include fastcgi_params;
		}
	}
	
	# subdomains redirect
	server {
		listen 80;
		listen [::]:80;
	
		server_name *.example.com;
	
		return 301 https://example.com$request_uri;
	}
}