Feature: Add Docker multi-stage containerization support for devtrack deployment

[Pratikshya32]

Hi! 🐳

Adding multi-stage Docker builds will streamline the deployment process for devtrack and ensure that the container image contains only production dependencies, optimizing container size.

Please assign this issue to me! 🚀

[Pratikshya32]

Hello, I would love to work on this issue! Please assign it to me under GSSoC. Thank you! 🚀

[Pratikshya32]

I am raising this PR for GSSoC 26: #1520