Registry port support config.

Signed-off-by: Lan Liang <[email protected]>

scripts/reg.sh

@@ -13,8 +13,10 @@ if [ "$(docker ps -aq -f name=kcl-registry)" ]; then
     docker rm kcl-registry
 fi
 
+export REGISTRY_PORT=${REGISTRY_PORT:-"5001"}
+
 # start the Docker Registry with authentication
-docker run -p 5001:5000 \
+docker run -p ${REGISTRY_PORT}:5000 \
 --restart=always \
 --name kcl-registry \
 -v /var/lib/registry:/var/lib/registry \