fix influx credentials in docker-compose.historian.yml

Author: TShapinsky

docker-compose.historian.yml

@@ -10,8 +10,8 @@ services:
     environment:
       - INFLUXDB_DB
       - INFLUXDB_HTTP_AUTH_ENABLED=${INFLUXDB_HTTP_AUTH_ENABLED}
-      - INFLUXDB_ADMIN_USER=${INFLUXDB_ADMIN_USER}
-      - INFLUXDB_ADMIN_PASSWORD=${INFLUXDB_ADMIN_PASSWORD}
+      - INFLUXDB_ADMIN_USER=${INFLUXDB_USERNAME}
+      - INFLUXDB_ADMIN_PASSWORD=${INFLUXDB_PASSWORD}
     restart: always
   grafana:
     container_name: alfalfa_grafana