fix: updated the Docker File and copilot coomets

[Dhruvkumar-Microsoft]

Purpose

This pull request introduces small but important improvements to both the deployment script and the Dockerfile for the application. The main changes ensure more robust handling of unset variables in the deployment script and improve Docker build performance by caching dependencies.

Deployment and build improvements:

• Deployment script now defaults the hasIpRestrictions variable to 0 if it is unset, preventing potential errors during condition checks.

• Dockerfile now uses a cache mount for Python dependency installation, which speeds up builds by reusing previously downloaded packages.

Does this introduce a breaking change?

• Yes
• No

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information

[github-actions]

🎉 This PR is included in version 4.2.0 🎉

The release is available on GitHub release

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