Install intruction:
===================

Configuration:
--------------
* Append the docker-compose.template to your docker-compose.yml
  * Edit the volumes section, to have a persistant zigbee2mqtt instance
    at your local filesystem (fist entry is your local filesystem;
    leave the second entry ontouched)
  * Edit the environment variable of the added service, if you need to
    create a zigbee2mqtt instance or 
    delete the variables, if you want to run an existing instance.
  * Check and edit (if needed) the device section  (first entry is your host filesystem)
* You might want to set differing versions for the needed software:
  * The base operating system is defined in the Dockerfile (very top entry)
  * The nodejs is defined in the Dockerfile (curl after #INSTALL nodejs)
  * The zigbee2mqtt is already defined via the docker-compose.yml

Installation:
-------------
* Execute make build up logs_zigbee

Post-Installation actions:
--------------------------
* You should remove the environments section espacially the credentials
  from docker-compose.yml
* You should "chmod go-rwx" for ...zigbee2mqtt/data/configuration.yaml