Add Grafana environment variable to accept unsigned Clickhouse plugin

Author: lspgn

compose/docker-compose-clickhouse-collect.yml

@@ -28,6 +28,8 @@ services:
       kafka-topics.sh --create --zookeeper zookeeper:2181 --replication-factor 1 --partitions 2 --topic flows ;"
   grafana:
     build: ../grafana
+    environment:
+      - GF_PLUGINS_ALLOW_LOADING_UNSIGNED_PLUGINS=vertamedia-clickhouse-datasource
     ports:
       - '3000:3000'
     restart: always