Yash Salunke

Added DBMS Book

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## What does this PR do? Add resource(s) | Remove resource(s) | Add info | Improve repo ## For resources ### Description ### Why is this valuable (or not)? ###...

Add Few DevOps Courses

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There are very few courses added in DevOps section, I want to add some more courses, Assign me for this!

## What does this PR do? Add resource(s) | Remove resource(s) | Add info | Improve repo ## For resources ### Description ### Why is this valuable (or not)? ###...

Improve : Optimize Dockerfile for Better Build Efficiency

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What does this PR do? This pull request optimizes the Dockerfile by reducing the number of image layers, combining instructions, and improving readability. It also adds labels for better documentation....