fix(infra): restore production admin api ingress

[tasoo-oos]

Description

Gateway 전환 중 admin API 외부 경로가 중단되지 않도록 production overlay에 Ingress를 복구합니다.

Additional context

HTTPRoute는 유지하며 production과 stage overlay 렌더링을 확인했습니다.

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Before submitting the PR, please make sure you do the following

• Read the Contributing Guidelines
• Read the Contributing Guidelines and follow the Commit Convention
• Provide a description in this PR that addresses what this PR is solving.
• Render the affected production and stage overlays.

Summary by CodeRabbit

• New Features
  • Added secure HTTPS routing for the production admin API.
  • Enabled access through the /graphql and /admin-api paths.
  • Added automatic TLS certificate management for codedang.com.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 59ed6342-f9c8-4a9e-b649-97de0a91a5c9

📥 Commits

Reviewing files that changed from the base of the PR and between d174f5d and 0c9c368.

📒 Files selected for processing (2)

• infra/k8s/admin-api/overlays/production/ingress.yaml
• infra/k8s/admin-api/overlays/production/kustomization.yaml

Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review.

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📝 Walkthrough

Walkthrough

The production admin API overlay adds a Traefik Ingress with TLS, HTTPS redirection, and routing for /graphql and /admin-api to admin-api-server on port 3000.

Changes

Admin API ingress

Layer / File(s)	Summary
Production ingress routing infra/k8s/admin-api/overlays/production/ingress.yaml, infra/k8s/admin-api/overlays/production/kustomization.yaml	The production overlay defines a Traefik Ingress for codedang.com. It configures TLS, HTTPS redirection, and routes /graphql and /admin-api to admin-api-server:3000. The Kustomization includes the Ingress resource.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 0c9c3

This change restores the production admin API ingress while preserving the existing gateway and TLS routing behavior; no actionable merge-blocking risk remains after normal checks and review.

Sequence Diagram(s)

sequenceDiagram
  participant Client
  participant Traefik
  participant admin-api-server
  Client->>Traefik: HTTPS request to codedang.com
  Traefik->>Traefik: Apply TLS and HTTPS routing
  Traefik->>admin-api-server: Forward /graphql or /admin-api to port 3000

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🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: restoring the production admin API Ingress.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (2 skipped: 2 unsupported.)

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch hotfix-restore-admin-api-ingress

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