Fix a typo in docker env file

Signed-off-by: ecaiyanlinux <martin.c.yan@est.tech>
Issue-ID: NONRTRIC-640
Change-Id: I293667a497f03766989e6a191d2dd15cbc9880e4
diff --git a/docker-compose/.env b/docker-compose/.env
index abbce20..b984df9 100644
--- a/docker-compose/.env
+++ b/docker-compose/.env
@@ -57,7 +57,7 @@
 
 #DMAAP_MEDIATOR_GO
 DMAAP_MEDIATOR_GO_BASE="nexus3.o-ran-sc.org:10004/o-ran-sc/nonrtric-dmaap-mediator-producer"
-DMAAP_MEDIATOR_GO_TAG="1.0,0"
+DMAAP_MEDIATOR_GO_TAG="1.0.0"
 
 #DMAAP_MEDIATOR_JAVA
 DMAAP_MEDIATOR_JAVA_BASE="nexus3.o-ran-sc.org:10003/o-ran-sc/nonrtric-dmaap-adaptor"