Fixes according review

helm-chart/Chart.yaml

@@ -15,13 +15,14 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.1.0
+version: 0.2.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "1.16.0"
+appVersion: latest
+# We dont use it, so you can override it using values.override.yaml
 
 dependencies:
   - name: redis

helm-chart/README.md

@@ -0,0 +1,29 @@
+# FAQ
+## What should be configured before installation?
+1. You should have configured connection to existed k8s cluster
+2. Helm must be installed
+3. You should download chart external dependencies, using following commands:
+   `helm repo add bitnami https://charts.bitnami.com/bitnami`
+   `helm repo update`
+   `helm dependency update`
+4. (Optional) Install ingress of your choice (for example: https://github.com/kubernetes/ingress-nginx)
+5. (Optional) Create certificates for https  (for example: https://github.com/jetstack/cert-manager/ )
+6. (Optional) Create values.override.yaml and override there parameters you want
+7. Deploy cvat using command below
+## How to deploy new version of chart to cluster?
+Execute following command:
+`helm upgrade <release_name> --install ./helm-chart -f ./helm-chart/values.yaml  -f values.override.yaml(if exists) --namespace <desired namespace>`
+## How to understand what diff will be inflicted by 'helm upgrade'?
+You can use https://github.com/databus23/helm-diff#install for that
+## I want to use my own postgresql/redis with your chart.
+Just set postgresql.enabled or redis.enabled to false, as described below.
+Then - put your instance params to "external" field
+## I want to override some settings in values.yaml.
+Just create file values.override.yaml and place your changes here, using same stracture as in values.yaml.
+Then reference it in helm update/install command using -f
+## Why you used external charts to provide redis and postgres?
+Because they defenetly know what they do better then we are, so we are getting more qulity and less support
+## What is kubernetes and how it is working?
+See https://kubernetes.io/
+## What is helm and how it is working?
+See https://helm.sh/