Update info

UPDATING.md

-docker-compose installation
-===========================
+# docker-compose installation
 
 The best way of launching tower is to setup it via docker and docker compose.
 
-Example file for launching noc-tower via docker-compose can be found in [repositary](https://code.getnoc.com/noc/tower/blob/master/docker-compose.yml)
+Updating tower as simple as 
+```
+cd /etc/docker-compose/tower
+docker-compose pull
+docker-compose up -d
+```
+
+If you are using install without docker there is  [migration guide](docs/migrate_dc.md)
+
 
-Some examples can be found in [FAQ_rus.md](FAQ_rus.md) in russian
 
+<details>
+<summary>Also there is a way to update tower manually </summary>
 
-Traditional installation
-========================
 Meanwhile old method of updating noc-tower is still supported. 
+
 To do so 
 check if pip version is greater than 1.5 to do so 
-```
+<pre><code>
 # cd /opt/tower
 # ./bin/pip --version 
 # ./bin/pip install --upgrade pip
 # ./bin/pip --version 
-```
+</code></pre>
 than 
-```
+<pre><code>
 # cd /opt/tower
-# ./bin/tower-upgrade
-```
-After it please recheck if ansible version is good enough. Current is is 2.3
+# ./bin/pip install --upgrade https://cdn.getnoc.com/tower/noc-tower-latest.zip
+</code></pre>
+After it please recheck if ansible version is good enough. Current is is 2.5
 
-If you get 
-```ERROR! Invalid callback for stdout specified: debug``` 
-error after updating Please double check ansible version with
-```
+<pre><code>
 # cd /opt/tower
 # ./bin/ansible --version
-ansible 2.3.0.0
+ansible 2.5.0
   config file = 
   configured module search path = Default w/o overrides
 
-```
+</code></pre>
 
 If ansible version is too old update it with 
-```
+<pre><code>
 # ./bin/pip install --upgrade ansible
-```
\ No newline at end of file
+</code></pre>
+
+
+</details>