READER_PORT=/dev/ttyUSB0
DBHOST=<IP OF INFLUXDB>
DBPORT=<PORT OF INFLUXDB>
DBUSER=<USER OF INFLUXDB>
DBPWD=<PASSWROD OF INFLUXDB>
DBNAME=<DATABASE NAME IN INFLUXDB>
TZ=Europe/Berlin
MQBROKER=<IP OF THE MQTT BROKER>
MQPORT=<PORT OF THE MQTT BROKER>
MQUSER=<USER OF THE MQTT BROKER>
MQPWD=<PASSWORD OF THE MQTT BROKER>
MQTOPIC_CUR=<TOPIC WHERE THE CURRENT STATUS SHALL BE WRITTEN TO>
MQTOPIC_SUM=<TOPIC WHERE THE TOTAL STATUS SHALL BE WRITTEN TO>
BLOCK_ZERO_READS=<BLOCK WRITING DATA TO MQTT WHEN THE FEEDIN or CONSUMPTION COUNTERS ARE READ AS 0 (HAPPENS WHEN THE READ HEAD IS TAKEN FROM THE SMARTMETER)>
PYTHONUNBUFFERED=1