Add Nginx virtualhost example

[goldyfruit]

Nginx example with TLS support should be added to the documentation.

20-api.domain.io.conf

server {
        listen         80;
	server_name    api.domain.io;

        root /srv/data/web/api.domain.io;
        index index.html index.htm index.php;

	location /.well-known/acme-challenge/ {
		try_files $uri /dev/null =404;
	}

        location / {
		return 301 https://$host$request_uri;
        }

	access_log /srv/data/logs/web/api.domain.io/access-80.log;
	error_log /srv/data/logs/web/api.domain.io/error-80.log;
}

server {
	listen 443 ssl http2;
	server_name api.domain.io;

       	root /srv/data/web/api.domain.io;
	index index.html index.htm index.php;

	include snippets/ssl-api.domain.io.conf;
	include snippets/ssl-params.conf;

	location / {
		proxy_pass		http://10.22.56.1:8100;
		proxy_redirect		off;
		proxy_set_header	Host            $host;
		proxy_set_header	X-Real-IP       $remote_addr;
		proxy_set_header	X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header        X-Forwarded-Proto $scheme;
	}

	access_log /srv/data/logs/web/api.domain.io/access-443.log;
	error_log /srv/data/logs/web/api.domain.io/error-443.log;
}

ssl-params.conf

ssl_certificate /etc/letsencrypt/live/api.domain.io/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/api.domain.io/privkey.pem;

ssl-api.domain.io.conf

# from https://cipherli.st/
# and https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html

ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_prefer_server_ciphers on;
ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH";
ssl_ecdh_curve secp384r1;
ssl_session_cache shared:SSL:10m;
ssl_session_tickets off;
ssl_stapling on;
ssl_stapling_verify on;
ssl_dhparam /etc/ssl/certs/dhparam.pem;

resolver 8.8.8.8 8.8.4.4 valid=300s;
resolver_timeout 5s;

# Disable preloading HSTS for now.  You can use the commented out header line that includes
# the "preload" directive if you understand the implications.
#add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload";
add_header Strict-Transport-Security "max-age=63072000; includeSubdomains";
add_header X-Frame-Options sameorigin;
add_header X-Content-Type-Options nosniff;