fix: docker server == registry

entrypoint.sh

@@ -20,7 +20,7 @@ kubectl config set-context --current --namespace="$K8S_NS"
 if [ -n "$INPUT_REGISTRY_PASSWORD" ]; then
     kubectl get secret regcred \
         || kubectl create secret docker-registry regcred \
-            --docker-server="${IMAGEAPP%%/*}" \
+            --docker-server="${REGISTRY}" \
             --docker-username="$INPUT_REGISTRY_USERNAME" \
             --docker-password="$INPUT_REGISTRY_PASSWORD"
 fi