external ip setting

Vagrantfile

@@ -15,6 +15,8 @@ Vagrant.configure("2") do |config|
     prosody.vm.network "forwarded_port", guest: 80, host: 8884, host_ip: "192.168.33.5"
     prosody.vm.network "forwarded_port", guest: 443, host: 4444, host_ip: "192.168.33.5"
     prosody.vm.network "forwarded_port", guest: 8080, host: 8081, host_ip: "192.168.33.5"
+    prosody.vm.network "forwarded_port", guest: 5222, host: 5222, host_ip: "192.168.33.5"
+    prosody.vm.network "forwarded_port", guest: 8080, host: 8081, host_ip: "192.168.33.5"
     prosody.vm.network "private_network", ip: "192.168.33.5"
     config.vm.provision "shell", inline: "apt install acl"
 end

templates/etc/prosody/prosody.cfg.lua.j2

@@ -46,6 +46,9 @@ http_paths = {
 -- See https://prosody.im/doc/configure
 c2s_direct_tls_ports = { {{ prosody_c2s_direct_tls_ports }} }
 s2s_direct_tls_ports = { {{ prosody_s2s_direct_tls_ports }} }
+{% if prosody_external_ip is defined and prosody_external_ip != 'null' %}
+external_addresses = { "{{ prosody_external_ip }}" }
+{% endif %}
 
 -- Enable use of libevent for better performance under high load
 -- For more information see: https://prosody.im/doc/libevent