Base Image Migration to UBI/RedHat for all components

[Jonsy13]

Today's all of our components are using litmuschaos/infra-alpine and litmuschaos/experiment-alpine images as base image. Both of these base images are using alpine:3.16.x as Base image.

As part of using alpine as base image, there are few issues -

• Vulnerabilities in OS level packages
• We need to handle hardening ourselves
• Alpine 3.16.x is going EOL in May

With respect to above issues, The proposal is to move to UBI/RedHat images as base image. This way, we will be able to remove our dependency on litmuschaos/infra-alpine and litmuschaos/experiment-alpine images for any fixes and also it will help us to move to more hardened/secured image with very minimal or in other expected packages installed as part of image.

The affected components will be -

• litmuschaos/litmusportal-frontend
• litmuschaos/litmusportal-server
• litmuschaos/litmusportal-auth-server
• litmuschaos/litmusportal-subscriber
• litmuschaos/litmusportal-event-tracker
• litmuschaos/chaos-operator
• litmuschaos/chaos-runner
• litmuschaos/chaos-exporter
• litmuschaos/go-runner
• litmuschaos/litmus-checker
• litmuschaos/k8s
• litmuschaos/litmus-helm-agent