nginx.conf

user nginx;

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

# Specify where the PID of nginx will be written
pid /nginx.pid;

# Run in foreground
daemon off;

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

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 208.67.222.222 208.67.220.220;

	# Don't tell nginx version to clients.
	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.
	client_max_body_size 1m;

	# Timeout for keep-alive connections. Server will close connections after
	# this time.
	keepalive_timeout 65;

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

	# Don't buffer data-sends (disable Nagle algorithm).
	# Good for sending frequent small bursts of data in real time.
	# tcp_nodelay on;

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

	# Enable gzipping of responses.
	gzip on;

	# Set the Vary HTTP header as defined in the RFC 2616.
	gzip_vary on;

	# Enable checking the existence of precompressed files.
	# gzip_static on;

	# Specifies the main log format.
	log_format main '[$time_local] $remote_addr - $remote_user "$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;

	server {		
		add_header X-Frame-Options "SAMEORIGIN";
		add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; prefetch-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; style-src-elem 'self' 'unsafe-inline'; manifest-src 'self'; font-src 'self'; form-action 'none'; connect-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'self'";

		if ($request_method !~ ^(GET|HEAD)$) {
			return 405;
		}

		location / {
			root /;
		}
	}
}