diff --git a/install/deploy/istio-deploy.sh b/install/deploy/istio-deploy.sh
index ba8675cb2d8d..133049b94dd0 100644
--- a/install/deploy/istio-deploy.sh
+++ b/install/deploy/istio-deploy.sh
@@ -74,15 +74,13 @@ deploy_istio() {
   helm install istio istio -n ${NAMESPACE} --set prometheus.enabled=false --set pilot.autoscaleEnabled=false \
           --set gateways.istio-ingressgateway.autoscaleEnabled=false --set mixer.policy.autoscaleEnabled=false \
           --set mixer.telemetry.autoscaleEnabled=false \
-          --set gateways.istio-ingressgateway.resources=null \
-          --set pilot.resources=null \
-          --set mixer.telemetry.resources=null \
-          --set pilot.resources=null \
-          --set global.defaultResources=null \
-          --set global.proxy.init.resources.requests.cpu=50m,global.proxy.init.resources.requests.memory=128m \
-          --set global.proxy.init.resources.limits.cpu=50m,global.proxy.init.resources.limits.memory=128m \
-          --set global.proxy.resources.requests.cpu=50m,global.proxy.resources.requests.memory=128m \
-          --set global.proxy.resources.limits.cpu=50m,global.proxy.resources.limits.memory=128m
+          --set gateways.istio-ingressgateway.resources.requests={},gateways.istio-ingressgateway.resources.limits={}, \
+          --set pilot.resources.requests={},pilot.resources.limits={} \
+          --set mixer.telemetry.resources.requests={},mixer.telemetry.resources.limits={} \
+          --set pilot.resources.requests={},pilot.resources.limits={} \
+          --set global.defaultResources.requests={},global.defaultResources.limits={} \
+          --set global.proxy.init.resources.requests={},global.proxy.init.resources.limits={} \
+          --set global.proxy.resources.requests={},global.proxy.resources.limits={}
 
   check() {
      kubectl -n ${NAMESPACE}  get deploy | grep istio | awk '{print "deployment/"$1}' | while read line ;
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/.helmignore b/install/kubernetes/helm/skywalking/charts/elasticsearch/.helmignore
index 50af03172541..17b07a365418 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/.helmignore
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/.helmignore
@@ -1,3 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Patterns to ignore when building packages.
 # This supports shell glob matching, relative path matching, and
 # negation (prefixed with !). Only one pattern per line.
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/Chart.yaml b/install/kubernetes/helm/skywalking/charts/elasticsearch/Chart.yaml
index ce3b84b083d7..6ed6f9ca1206 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/Chart.yaml
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/Chart.yaml
@@ -1,3 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 apiVersion: v2
 name: elasticsearch
 description: A ES Helm chart for SkyWalking CI pipeline
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/NOTES.txt b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/NOTES.txt
index 8791b0665aa2..c58086e0c113 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/NOTES.txt
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/NOTES.txt
@@ -1,3 +1,20 @@
+{{/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+
 1. Get the application URL by running these commands:
 {{- if .Values.ingress.enabled }}
 {{- range $host := .Values.ingress.hosts }}
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/_helpers.tpl b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/_helpers.tpl
index cd6cf2e6068a..70ea209bc15d 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/_helpers.tpl
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/_helpers.tpl
@@ -1,3 +1,20 @@
+{{/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+
 {{/* vim: set filetype=mustache: */}}
 {{/*
 Expand the name of the chart.
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/deployment.yaml b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/deployment.yaml
index 7fd39cfd0398..1383786375c1 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/deployment.yaml
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/deployment.yaml
@@ -1,3 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 apiVersion: apps/v1
 kind: Deployment
 metadata:
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/ingress.yaml b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/ingress.yaml
index 035bbc0a4c4d..43d9f22df072 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/ingress.yaml
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/ingress.yaml
@@ -1,4 +1,19 @@
-{{- if .Values.ingress.enabled -}}
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+  {{- if .Values.ingress.enabled -}}
 {{- $fullName := include "elasticsearch.fullname" . -}}
 {{- $svcPort := .Values.service.port -}}
 {{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/service.yaml b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/service.yaml
index 03b5710ee644..a7351bc35bec 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/service.yaml
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/service.yaml
@@ -1,3 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 apiVersion: v1
 kind: Service
 metadata:
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/serviceaccount.yaml b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/serviceaccount.yaml
index d5e5b85e3b4c..1d941c16b0ae 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/serviceaccount.yaml
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/templates/serviceaccount.yaml
@@ -1,4 +1,19 @@
-{{- if .Values.serviceAccount.create -}}
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+  {{- if .Values.serviceAccount.create -}}
 apiVersion: v1
 kind: ServiceAccount
 metadata:
diff --git a/install/kubernetes/helm/skywalking/charts/elasticsearch/values.yaml b/install/kubernetes/helm/skywalking/charts/elasticsearch/values.yaml
index ac7989285003..0c8c62e141ef 100644
--- a/install/kubernetes/helm/skywalking/charts/elasticsearch/values.yaml
+++ b/install/kubernetes/helm/skywalking/charts/elasticsearch/values.yaml
@@ -1,3 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Default values for elasticsearch.
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.