mail-hosting/etc/nginx/nginx.conf

user www-data;
worker_processes 2;
pid /run/nginx.pid;
pcre_jit on;
worker_rlimit_nofile 30000;
worker_shutdown_timeout 1m;

events {
	worker_connections 7680;
	multi_accept on;
}

http {
	##
	# Basic Settings
	##

	sendfile on;
	aio threads;
	aio_write on;
	directio 512;
	tcp_nopush on;
	tcp_nodelay on;
	keepalive_timeout 65;
	types_hash_max_size 2048;
	server_tokens off;
        client_max_body_size 50M;
	client_body_timeout 10s;
	client_header_timeout 10s;
	client_body_buffer_size 32k;

	server_names_hash_bucket_size 128;
	server_names_hash_max_size 1024;
	server_name_in_redirect off;
	port_in_redirect off;
	charset UTF-8;
	index index.html index.htm index.php;

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

	##
	# SSL Settings
	##

	ssl_protocols TLSv1.2 TLSv1.3;
	ssl_prefer_server_ciphers on;
	ssl_ecdh_curve X448:X25519:secp521r1:secp384r1;
	ssl_ciphers HIGH:!PSK:!aNULL:!MD5:!SHA:!CAMELLIA:!AES+SHA256:!AES+SHA384;
	ssl_session_cache off;
	ssl_early_data off;
	ssl_stapling on;
	ssl_stapling_verify on;
	ssl_certificate /etc/acme.sh/danwin1210.de_ecc/fullchain.cer;
	ssl_certificate_key /etc/acme.sh/danwin1210.de_ecc/danwin1210.de.key;
	ssl_dhparam /etc/nginx/dh4096.pem;

	##
	# Logging Settings
	##
	log_format custom '0.0.0.0 - $remote_user [$time_local] "$request" $status $bytes_sent "$http_referer" "$http_user_agent"';
	access_log /var/log/nginx/access.log custom buffer=32k flush=1m;
	error_log /var/log/nginx/error.log notice;
	log_not_found off;

	resolver 127.0.0.1 [::1];
	resolver_timeout 2s;
	root /var/www/html;
	proxy_cache_path /var/lib/nginx/cache levels=2 keys_zone=cache:10m inactive=30d max_size=1g;
	proxy_cache_revalidate on;
	proxy_cache_use_stale http_503 timeout updating error;
	proxy_no_cache $http_pragma $http_authorization;
	proxy_cache_bypass $cookie_nocache $arg_nocache;
	map $http_upgrade $connection_upgrade {
		default upgrade;
		'' '';
	}
	proxy_cache_lock_timeout 2m;
	proxy_cache_lock_age 2m;
	proxy_cache cache;
	proxy_http_version 1.1;
	proxy_buffer_size 8k;
	proxy_buffering off;
	proxy_set_header Host $host;
	proxy_set_header Proxy "";
	proxy_set_header X-Forwarded-Proto $scheme;
	proxy_set_header X-Forwarded-Port "";
	proxy_set_header Upgrade $http_upgrade;
	proxy_set_header Connection $connection_upgrade;
	proxy_ignore_client_abort on;
	proxy_cache_key $server_name$request_method$host$request_uri;
	proxy_read_timeout 3600; #wait up to 60 minutes for e.g. database import

	##
	# Gzip Settings
	##

	gzip on;

	gzip_vary on;
	gzip_proxied off;
	gzip_comp_level 9;
	# gzip_buffers 16 8k;
	# gzip_http_version 1.1;
	gzip_types application/eot application/font application/font-woff application/font-sfnt application/json application/javascript application/javascript-binast application/ld+json application/manifest+json application/opentype application/otf application/truetype application/ttf application/wasm application/x-httpd-cgi application/x-javascript application/x-opentype application/x-otf application/x-perl application/x-ttf application/xml application/xml+rss application/vnd.api+json application/vnd.ms-fontobject application/x-protobuf application/xhtml+xml font/otf font/ttf font/x-woff image/svg+xml image/vnd.microsoft.icon image/x-icon multipart/bag multipart/mixed text/css text/javascript text/js text/plain text/richtext text/x-script text/x-component text/x-java-source text/x-markdown text/xml;

	brotli on;
	brotli_types application/eot application/font application/font-woff application/font-sfnt application/json application/javascript application/javascript-binast application/ld+json application/manifest+json application/opentype application/otf application/truetype application/ttf application/wasm application/x-httpd-cgi application/x-javascript application/x-opentype application/x-otf application/x-perl application/x-ttf application/xml application/xml+rss application/vnd.api+json application/vnd.ms-fontobject application/x-protobuf application/xhtml+xml font/otf font/ttf font/x-woff image/svg+xml image/vnd.microsoft.icon image/x-icon multipart/bag multipart/mixed text/css text/javascript text/js text/plain text/richtext text/x-script text/x-component text/x-java-source text/x-markdown text/xml;

	##
	# Virtual Host Configs
	##

	map $sent_http_content_type $expires {
		default		off;
		~image/		10d;
		~video/		10d;
		~audio/		10d;
		~font/          10d;
		~application/(x-)?font  10d;
		text/css	10d;
		application/javascript 10d;
	}
	expires $expires;

	include /etc/nginx/conf.d/*.conf;
	include /etc/nginx/sites-enabled/*;
}