+ sample configs for nginx-proxy lxc instance

+ site_name as general option for different lxc_host and site_name (personally used for vps deployment)
+ vps deploy script
+ node version manager install
+ php version setup vars moved into separate vars-file
+ ansible.cfg that helps to use local inventory and group_vars files
+ root account playbook

debops/files/etc/nginx-master-proxy/conf.d/sample-youtrack.conf.example

@@ -2,7 +2,7 @@ server {
     listen 80;
     server_name domain;
     location / {
-        proxy_pass http://lxc_host:8080;
+        proxy_pass http://site_name:8080;
         access_log off;
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
@@ -13,7 +13,7 @@ server {
         proxy_http_version 1.1;
     }
     location /api/eventSourceBus {
-        proxy_pass http://lxc_host:8080;
+        proxy_pass http://site_name:8080;
         access_log off;
         proxy_cache off;
         proxy_buffering off;