[DevOps] Add Soroban local node to Docker Compose

[GoSTEAN]

Description

Docker compose exists for backend services but no local Soroban node.

File: backend/docker-compose.yml

Acceptance Criteria

• Add Stellar Quickstart container for local Soroban
• Auto-deploy contracts on startup
• Seed database with test markets

Priority

🟠 P1 — High

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This issue has been added to the Stellar Wave Program and is worth 200 Points.

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[Georgebingi]

@Georgebingi has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Hi my name is George and I'm a full stack develop I'll like to work on this issue because It picks my interest and Ive got experience with similar projects I'll have it solved in 24 hours or less

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Georgebingi to this issue.

[Haroldwonder]

@Haroldwonder has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

I would like to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Haroldwonder to this issue.

[drips-wave]

Congratulations, @Haroldwonder! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on February 26, 2026.

🧑‍💻 @Haroldwonder: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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[drips-wave]

This issue has been completed by @Haroldwonder as part of the Stellar Wave Program's 2nd Wave 🥳

😎 @Haroldwonder: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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