fix: [Enhancement] Optimize Docker images and refine environment management

[buildingvibes]

Fixes #29

Summary

This PR addresses [Enhancement] Optimize Docker images and refine environment management.

Changes

 backend/.dockerignore  | 18 ++++++++++++++++++
 frontend/.dockerignore | 19 +++++++++++++++++++
 frontend/Dockerfile    |  3 +++
 3 files changed, 40 insertions(+)

Testing

• Existing test suite was run after applying changes
• Manual review of diff for correctness

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_{If this fix isn't quite right, please leave feedback and I'll revise it.}

[Alen983]

@buildingvibes This is truly amazing.
Thank you for your support on this project.

[buildingvibes]

Anytime! Let me know if there's anything you need help with