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

events {
	worker_connections 768;
	# multi_accept on;
}

http {
	include /etc/nginx/conf.d/*.conf;

	proxy_connect_timeout 600;
	proxy_send_timeout 600;
	proxy_read_timeout 600;
	fastcgi_send_timeout 600;
	fastcgi_read_timeout 600;
	client_header_timeout 600;
	client_body_timeout 600;
	client_max_body_size 512M;
		
	##
	# Basic Settings
	##

	sendfile on;
	tcp_nopush on;
	tcp_nodelay on;
	keepalive_timeout 650;
	types_hash_max_size 2048;
	server_tokens off;
	
	# server_names_hash_bucket_size 128;
	# server_name_in_redirect off;

	include /etc/nginx/mime.types;
	default_type application/octet-stream;

	##
	# SSL Settings
	##
	#ALSO MUST CHANGE THE OPTIONS IN /etc/letsencrypt
	
	ssl_protocols TLSv1.2 TLSv1.3;
	#ssl_prefer_server_ciphers on;
	ssl_prefer_server_ciphers off;

	##
	# Logging Settings
	##

	access_log /var/log/nginx/access.log;
	error_log /var/log/nginx/error.log;
	
	#add_header Set-Cookie "Path=/; HttpOnly; Secure";

	##
	# Buffer Policy
	##
	client_body_buffer_size 1K;
	client_header_buffer_size 1k;
	large_client_header_buffers 2 1k;

	##
	# Gzip Settings
	##

	gzip on;

	# gzip_vary on;
	# gzip_proxied any;
	# gzip_comp_level 6;
	# gzip_buffers 16 8k;
	# gzip_http_version 1.1;
	# gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

	##
	# Virtual Host Configs
	##

	upstream pi3 {
		server 192.168.1.13;
	}

	upstream pi2 {
		server 192.168.1.12:8107;
		
	}

	upstream pi1 {
		server 192.168.1.11:3000;
	}
	
	map $http_upgrade $connection_upgrade {
		default upgrade;
		''	close;
	}
	
}