Create a discourse cookbook that can be wrapped

It makes it possible to serve multiple Discord instances to different
hosts from a single nginx load balancer

Right now we run one for Kosmos and one for remoteStorage

site-cookbooks/kosmos_discourse/recipes/nginx.rb

@@ -3,32 +3,4 @@
 # Recipe:: nginx
 #
 
-include_recipe "kosmos-nginx"
-
-domain = "community.kosmos.org"
-
-upstream_ip_addresses = []
-search(:node, "role:discourse").each do |n|
-  upstream_ip_addresses << n["knife_zero"]["host"]
-end
-# No Discourse host, stop here
-return if upstream_ip_addresses.empty?
-
-nginx_certbot_site domain
-
-template "#{node['nginx']['dir']}/sites-available/#{domain}" do
-  source "nginx_conf.erb"
-  owner 'www-data'
-  mode 0640
-  variables server_name:           domain,
-            ssl_cert:              "/etc/letsencrypt/live/#{domain}/fullchain.pem",
-            ssl_key:               "/etc/letsencrypt/live/#{domain}/privkey.pem",
-            upstream_port:         3001,
-            upstream_ip_addresses: upstream_ip_addresses
-
-  notifies :reload, 'service[nginx]', :delayed
-end
-
-nginx_site domain do
-  action :enable
-end
+include_recipe "discourse::nginx"