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# /etc/nginx/nginx.conf

user nginx;

# Set number of worker processes automatically based on number of CPU cores.
worker_processes auto;

# Enables the use of JIT for regular expressions to speed-up their processing.
pcre_jit on;

# Configures default error logger.
error_log /var/log/nginx/error.log warn;

# Includes files with directives to load dynamic modules.
include /etc/nginx/modules/*.conf;

# Uncomment to include files with config snippets into the root context.
# NOTE: This will be enabled by default in Alpine 3.15.
#include /etc/nginx/conf.d/*.conf;

events {
	# The maximum number of simultaneous connections that can be opened by
	# a worker process.
	worker_connections 1024;
}

http {
	# Includes mapping of file name extensions to MIME types of responses
	# and defines the default type.
	include /etc/nginx/mime.types;
	default_type application/octet-stream;

	# Name servers used to resolve names of upstream servers into addresses.
	# It's also needed when using tcpsocket and udpsocket in Lua modules.
	#resolver 1.1.1.1 1.0.0.1 2606:4700:4700::1111 2606:4700:4700::1001;

	# Don't tell nginx version to the clients. Default is 'on'.
	server_tokens off;

	# Specifies the maximum accepted body size of a client request, as
	# indicated by the request header Content-Length. If the stated content
	# length is greater than this size, then the client receives the HTTP
	# error code 413. Set to 0 to disable. Default is '1m'.
	client_max_body_size 1m;

	# Sendfile copies data between one FD and other from within the kernel,
	# which is more efficient than read() + write(). Default is off.
	sendfile on;

	# Causes nginx to attempt to send its HTTP response head in one packet,
	# instead of using partial frames. Default is 'off'.
	tcp_nopush on;


	# Enables the specified protocols. Default is TLSv1 TLSv1.1 TLSv1.2.
	# TIP: If you're not obligated to support ancient clients, remove TLSv1.1.
	ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3;

	# Path of the file with Diffie-Hellman parameters for EDH ciphers.
	# TIP: Generate with: `openssl dhparam -out /etc/ssl/nginx/dh2048.pem 2048`
	#ssl_dhparam /etc/ssl/nginx/dh2048.pem;

	# Specifies that our cipher suits should be preferred over client ciphers.
	# Default is 'off'.
	ssl_prefer_server_ciphers on;

	# Enables a shared SSL cache with size that can hold around 8000 sessions.
	# Default is 'none'.
	ssl_session_cache shared:SSL:2m;

	# Specifies a time during which a client may reuse the session parameters.
	# Default is '5m'.
	ssl_session_timeout 1h;

	# Disable TLS session tickets (they are insecure). Default is 'on'.
	ssl_session_tickets off;


	# Enable gzipping of responses.
	#gzip on;

	# Set the Vary HTTP header as defined in the RFC 2616. Default is 'off'.
	gzip_vary on;


	# Helper variable for proxying websockets.
	map $http_upgrade $connection_upgrade {
		default upgrade;
		'' close;
	}


	# Specifies the main log format.
	log_format main '$remote_addr - $remote_user [$time_local] "$request" '
			'$status $body_bytes_sent "$http_referer" '
			'"$http_user_agent" "$http_x_forwarded_for"';

	# Sets the path, format, and configuration for a buffered log write.
	access_log /var/log/nginx/access.log main;


	# Includes virtual hosts configs.
	include /etc/nginx/http.d/*.conf;
}

# TIP: Uncomment if you use stream module.
#include /etc/nginx/stream.conf;