Add more details on how to setup this exporter

README.md

@@ -1,4 +1,25 @@
 # RouterOS Restful API
 
-## Dev
+## Setup
 
+You need to create a user on routerOS (>7.1):
+
+```
+/user group
+add name=prometheus policy=read,winbox,api,rest-api,!local,!telnet,!ssh,!ftp,!reboot,!write,!policy,!test,!password,!web,!sniff,!sensitive,!romon,!dude,!tikapp
+add group=prometheus name=prometheus
+````
+
+You also need to `www-ssl` (enable)[https://help.mikrotik.com/docs/display/ROS/REST+API]
+
+## Docker
+
+```
+routerosapi:
+    image: python-routeros
+    restart: always
+    environment:
+        - ROUTER_IP=<your ROUTERIP>
+        - ROUTER_USERNAME=<your prometheus username>
+        - ROUTER_PASSWORD=<your super secret password>
+```