[Doc Update] fix: Update database URL in config and migration logic

[github-actions]

📝 Documentation Update Needed

A pull request was recently merged that may require documentation updates.

Source PR

• Repository: kubestellar/ui
• PR: fix: Update database URL in config and migration logic ui#2298
• Merged: 2026-01-02T07:01:25Z

PR Summary

This PR fixes database connectivity issues by updating the default database configuration values in the backend. The changes address problems where Docker Compose configuration was updated but the default config values in the backend code were not synchronized, causing startup errors.

Changes Overview

• Updated default database URL configuration in config.go to match Docker Compose settings
• Modified migrate.go to use config file values instead of directly fetching from environment variables
• Fixes default environment configuration handling when environment variables are not set
• Resolves connectivity issues with Redis and Postgres containers

Files Changed

Backend configuration files: config.go and migrate.go were modified to fix database URL configurations.

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Action Required: The technical documentation writer agent will review this PR and identify specific documentation pages that need updates, then create a PR with the necessary changes.

/cc @technical-doc-writer

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