add grafana module

README.md

@@ -15,6 +15,7 @@ docker compose up -d
 
 For a full deployment see: [comming soon ...]()  
 
+If you run the setup without any environment vars the setup token will be printet in docker log!
 
 ## understand environment
 For the configuration (primarily the initial setup) I use a similar method as: https://hub.docker.com/r/icinga/icingaweb2  
@@ -66,16 +67,16 @@ ICINGAWEB2_GRAFANA_GRAPH | grafana | /etc/icingaweb2/modules/grafana/graphs.ini
 ### static vars
 var | description
 --- | ---
-ICINGAWEB2_CONF_ONCE | if true: all configuration setups (above) run only on fist setup.
-ICINGAWEB2_DB_RESOURCE_NAME | needed for setup scrip to know witch database is used for users
-ICINGAWEB2_DEFAULT_ADMIN_USER | default admin username
+ICINGAWEB2_CONF_ONCE | if var exists: all configuration setups (above) run only on fist setup.
+ICINGAWEB2_DB_RESOURCE_NAME | needed for setup script to know witch database is used for users
+ICINGAWEB2_DEFAULT_ADMIN_USER | default admin username addidional this var is primary identifier to run auto config 
 ICINGAWEB2_DEFAULT_ADMIN_PASS | default admin password
 
 ### easy setup
-If you use the example, than you kan setup the `env.sample`. 
+If you use the example, than you can setup the `env.sample`.  
 All required variables are included and insert the values ​​in the correct places.
 
-Hint: in this file all vars dont have the `2` behind icingaweb2 or icinga. 
+Hint: in this file all vars dont have the `2` behind icingaweb2 or icinga2.  
 Vars for the container have the `2`
 
 ## example