[GlobalDev] Implement Docker support with docker-compose.yml

[GlobalDevBot]

GlobalDev Agent Growth Task

Priority: High

Why this matters

Directly addresses the most popular community request and lowers barrier for non-Python developers.

Suggested next step

• Review this task with the product / DevRel owner.
• Convert it into a concrete implementation or launch checklist item.

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GlobalDev-Key: 5c9f7ceda62b6436
Generated by GlobalDev Agent from the repository launch analysis workflow.