Modifies MON and POL env vars names

Depends on 7217

Change-Id: Ibef79ce619c4d129f948dee31756ce0f7c5d6a50
Signed-off-by: Benjamin Diaz <bdiaz@whitestack.com>
diff --git a/docker/POL/Dockerfile b/docker/POL/Dockerfile
index 1eb8634..8a39a85 100644
--- a/docker/POL/Dockerfile
+++ b/docker/POL/Dockerfile
@@ -56,6 +56,6 @@
 
 ENV OSMPOL_SQL_DATABASE_URI sqlite:///mon_sqlite.db
 
-ENV OSMPOL_LOG_LEVEL INFO
+ENV OSMPOL_GLOBAL_LOG_LEVEL INFO
 
 CMD osm-policy-agent