rearrange things, automate ansible inventory

ansible/nginx.conf.j2

@@ -0,0 +1,24 @@
+{{ ansible_managed | comment }}
+user www-data;
+worker_processes auto;
+pid /run/nginx.pid;
+include /etc/nginx/modules-enabled/*.conf;
+events { worker_connections 768; }
+http {
+  sendfile on;
+  tcp_nopush on;
+  tcp_nodelay on;
+  keepalive_timeout 65;
+  types_hash_max_size 2048;
+  include /etc/nginx/mime.types;
+  default_type text/html;
+  access_log /var/log/nginx/access.log;
+  error_log /var/log/nginx/error.log;
+  gzip on;
+  server {
+    listen 80 default_server;
+    location / {
+      return 200 ">>>>>>>>>> I am {{ inventory_hostname }} ({{ ansible_host }}) <<<<<<<<<<\n";
+    }
+  }
+}