chore(api): update Dockerfile to install build tools and clean up

[Marfuen]

What does this PR do?

• Fixes #XXXX (GitHub issue number)
• Fixes COMP-XXXX (Linear issue number - should be visible at the bottom of the GitHub issue description)

Visual Demo (For contributors especially)

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Video Demo (if applicable):

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Image Demo (if applicable):

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Mandatory Tasks (DO NOT REMOVE)

• I have self-reviewed the code (A decent size PR without self-review might be rejected).
• I have updated the developer docs in /docs if this PR makes changes that would require a documentation change. If N/A, write N/A here and check the checkbox.
• I confirm automated tests are in place that prove my fix is effective or that my feature works.

How should this be tested?

• Are there environment variables that should be set?
• What are the minimal test data to have?
• What is expected (happy path) to have (input and output)?
• Any other important info that could help to test that PR

Checklist

• I haven't read the contributing guide
• My code doesn't follow the style guidelines of this project
• I haven't commented my code, particularly in hard-to-understand areas
• I haven't checked if my changes generate no new warnings

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2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
app	Skipped		Feb 27, 2026 2:04am
portal	Skipped		Feb 27, 2026 2:04am

[cursor]

PR Summary

Low Risk
Low risk Docker build change; main risk is image build/runtime regressions if native module rebuild or Prisma generation requires additional system libraries beyond python3/make/g++ or cleanup removes needed packages.

Overview
Ensures the API production image can successfully run npm rebuild and prisma generate by temporarily installing python3, make, and g++ in Dockerfile.multistage.

After rebuilding native modules and regenerating the Prisma client, it purges those build packages and runs apt cleanup to reduce final image size.

^{Written by Cursor Bugbot for commit 3560f16. This will update automatically on new commits. Configure here.}

[claudfuen]

🎉 This PR is included in version 1.86.1 🎉

The release is available on GitHub release

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