Use sh instead of bash

[knjk04]

We currently add bash to our Alpine-based image as we use it in our frontend start script.

So that we don't increase the size considerably, use sh instead of bash

Additional context

• Be sure to read the contributing guidelines first!
• Discuss your implementation approach with us before we assign you to it
• Provide us with an estimate on how long you think it will take you to complete
• Branch from main and set main as the destination branch in your pull request

If you need help with anything, we'll be happy to help you over a GitHub Q&A discussion or our Slack workspace

[divyeshio]

Can you please assign this issue to me? I have already opened a PR #996 for it.

[knjk04]

Hi @divyeshio,

Unfortunately, I will be archiving this project as I no longer have the time to maintain it. Thanks again!