[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 URL configuration and migration logic. The changes ensure that the backend startup properly handles default environment configurations when environment variables are not set.

Changes Overview

• Updated default database URL values in config.go to match Docker Compose configuration
• Fixed migrate.go to fetch PostgreSQL URL from config file instead of directly from os.env
• Resolves backend startup errors related to Redis and Postgres container connectivity
• Ensures proper handling of default environment configurations

Files Changed

2 files changed: config.go and migrate.go in the backend configuration

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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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