docs: improve Kubernetes deployment section in external PostgreSQL guide

[d-bytebase]

Summary

• Improved clarity of the Kubernetes section with better organization
• Added comprehensive example for file-based secret mounting
• Documented automatic secret rotation capabilities

Changes

• Reorganized "Running with Kubernetes" section with clearer subheadings
• Renamed subsections for better clarity: "Direct Configuration" and "Secret-Based Configuration"
• Added detailed YAML example showing how to mount secrets as files
• Explained that Kubernetes automatically updates mounted file content when secrets are rotated
• Clarified that Bytebase monitors file changes and reloads connection strings without restart

Test Plan

• Preview documentation changes in Mintlify
• Verify YAML examples are syntactically correct
• Confirm technical accuracy of secret rotation behavior

🤖 Generated with Claude Code

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
bytebase-com	✅ Ready	Preview	Comment	Aug 13, 2025 8:58am

[github-actions]

📝 Broken Links Check Report

Note: Entries under /api-reference/ are likely false positives and can be ignored.

The following is the output from the broken links check:

found 16 broken links in 9 files

integrations/api/audit-log.mdx
 ⎿  /api-reference/auditlogservice/post-v1auditlogs:search

integrations/api/authentication.mdx
 ⎿  /api-reference/authservice/post-v1authlogin

integrations/api/data-classification.mdx
 ⎿  /api-reference/settingservice/patch-v1settings
 ⎿  /api-reference/databaseservice/patch-v1instances-databases

integrations/api/issue.mdx
 ⎿  /api-reference/issueservice/post-v1projects-issues

integrations/api/permission.mdx
 ⎿  /api-reference/workspaceservice/get-v1workspaces-:getIamPolicy
 ⎿  /api-reference/projectservice/get-v1projects-:getIamPolicy
 ⎿  /api-reference/roleservice/get-v1roles
 ⎿  /api-reference/userservice/get-v1users
 ⎿  /api-reference/groupservice/get-v1groups

integrations/api/plan.mdx
 ⎿  /api-reference/planservice/post-v1projects-plans
 ⎿  /api-reference/sheetservice/post-v1projects-sheets

integrations/api/release.mdx
 ⎿  /api-reference/releaseservice/post-v1projects-releases

integrations/api/rollout.mdx
 ⎿  /api-reference/rolloutservice/post-v1projects-rollouts

integrations/api/sql-review.mdx
 ⎿  /api-reference/releaseservice/post-v1projects-releases:check
 ⎿  /api-reference/sqlservice/post-v1sqlcheck

[tianzhou]

LGTM