fix: prod dockerfile to include package file and don't copy unneccesary generated file

[Nabhag8848]

Description

• [x] changes to include package.json under dist
• [x] changes to don't copy duplicate generated file.

Fix:

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings

[vercel[bot]]

@Nabhag8848 is attempting to deploy a commit to the OpenInt Team on Vercel.

A member of the Team first needs to authorize it.

[github-actions[bot]]

Thank you for following the naming conventions for pull request titles! 🙏