diff --git a/imixs-archive-service/Dockerfile b/imixs-archive-service/Dockerfile
index 4748eb75..e9bf5e86 100644
--- a/imixs-archive-service/Dockerfile
+++ b/imixs-archive-service/Dockerfile
@@ -1,4 +1,5 @@
-FROM payara/micro:5.201
+FROM payara/micro:5.2020.4
+#5.201
 
 LABEL description="Imixs-Microservice"
 LABEL maintainer="ralph.soika@imixs.com"
@@ -6,6 +7,9 @@ LABEL maintainer="ralph.soika@imixs.com"
 # Deploy artefacts
 COPY ./target/imixs-archive-service.war $DEPLOY_DIR
 
+#ENV MAX_HEAP 2g
+#ENV MIN_HEAP 1g
+
 # add lauch options
 CMD ["--deploymentDir", "/opt/payara/deployments", "--rootDir", "/opt/payara/config"]