Add containerized deployment content

[Dilhasha]

Purpose

$subject

Summary by CodeRabbit

• Documentation
  • Consolidated Docker, Kubernetes, and OpenShift deployment guides into a single "Containerized Deployment" page covering Code to Cloud workflows for all three platforms
  • Replaced multiple platform-specific links with the new consolidated guide across Deploy, Self-Hosted, overview, FAQ, IDE views, and config references
  • Simplified sidebar and navigation for easier discoverability of containerized deployment guidance

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📥 Commits

Reviewing files that changed from the base of the PR and between dc8348b and e6bd027.

📒 Files selected for processing (2)

• en/docs/deploy/self-hosted/containerized-deployment.md
• en/docs/reference/appendix/faq.md

✅ Files skipped from review due to trivial changes (2)

• en/docs/reference/appendix/faq.md
• en/docs/deploy/self-hosted/containerized-deployment.md

---

📝 Walkthrough

Walkthrough

This PR consolidates container deployment docs into a single "Containerized Deployment" guide covering Docker, Kubernetes, and OpenShift, updates navigation and sidebar entries to point to it, and removes the separate platform-specific links.

Changes

Container Deployment Documentation Consolidation

Layer / File(s)	Summary
New unified containerized deployment guide en/docs/deploy/self-hosted/containerized-deployment.md	Introduces a consolidated guide for Ballerina Code to Cloud deployments covering Docker, Kubernetes, and Red Hat OpenShift: prerequisites, artifact generation, Cloud.toml/Config.toml behavior, platform-specific build/apply/push workflows, probe configuration, ConfigMap mounting, service exposure, and verification.
Deployment overview consolidation en/docs/deploy/overview.md	Replaces separate Docker/Kubernetes/OpenShift bullets with a single "Containerized Deployment" entry in the deployment options list.
Cross-document link updates en/docs/deploy-operate/deploy/graalvm-native-images.md, en/docs/deploy-operate/deploy/managing-configurations.md, en/docs/deploy/self-hosted/run-locally.md, en/docs/develop/understand-ide/views/integration-view.md, en/docs/develop/understand-ide/views/project-view.md, en/docs/reference/appendix/faq.md, en/docs/reference/project/cloudtoml-reference.md	Updates "What's next" lists and deployment option links across multiple docs to reference the new Containerized Deployment guide instead of the former separate platform pages.
Sidebar configuration update en/sidebars.ts	Replaces the Deploy → Self-Hosted entries for docker/kubernetes/openshift with a single deploy/self-hosted/containerized-deployment sidebar item.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• wso2/docs-integrator#387: Modifies IDE deployment/navigation docs (integration-view and project-view) to update deployment option labels/links; overlaps with this PR's view updates.
• wso2/docs-integrator#448: Touches self-hosted docker/kubernetes/openshift docs and cross-linking to Cloud.toml; related to the consolidated containerized-deployment doc.

Suggested reviewers

• rosensilva
• anupama-pathirage
• KavinduZoysa
• NipunaRanasinghe

Poem

🐰 I hopped through docs both near and far,
Merged Docker, K8s, OpenShift in one jar,
One container guide now leads the way,
Clearer steps for each deployment day,
🎉 — a rabbit's tidy doc bouquet

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The PR description is incomplete, containing only a template placeholder '$subject' instead of providing actual purpose, goals, approach, or other required documentation sections.	Replace placeholder with substantive content following the template: describe the purpose (why consolidate docs), goals, approach, user stories, release notes, and documentation/testing details.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'Add containerized deployment content' accurately describes the main change—consolidating Docker, Kubernetes, and OpenShift documentation into a new unified containerized deployment guide.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@en/docs/deploy/self-hosted/containerized-deployment.md`:
- Line 11: Change all non-H1 headings in containerized-deployment.md to sentence
case: e.g., update the H2 "Supported Platforms" to "Supported platforms" and
similarly convert the other non-H1 headings referenced (lines ~49, ~150, ~324)
from Title Case to sentence case; ensure only H1s remain Title Case and preserve
existing heading levels and punctuation.

In `@en/docs/reference/appendix/faq.md`:
- Line 112: Update the link text so its visible label matches the target page's
primary keywords: change the markdown reference "See [Deploy and
Operate](../../deploy/self-hosted/containerized-deployment.md) for detailed
deployment guides." to use "Containerized Deployment" as the link text (e.g.,
"See [Containerized
Deployment](../../deploy/self-hosted/containerized-deployment.md) ...");
alternatively, if you intended to point to the Deploy overview page, swap the
URL to that overview and keep link text accordingly—make sure the link label and
the target file (containerized-deployment.md or the Deploy overview) share the
same primary keywords.

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Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 4cbd278b-b7ad-4245-a136-f1f1a6b9a7d9

📥 Commits

Reviewing files that changed from the base of the PR and between 84d5ae1 and dc8348b.

📒 Files selected for processing (13)

• en/docs/deploy-operate/deploy/graalvm-native-images.md
• en/docs/deploy-operate/deploy/managing-configurations.md
• en/docs/deploy/overview.md
• en/docs/deploy/self-hosted/containerized-deployment.md
• en/docs/deploy/self-hosted/docker.md
• en/docs/deploy/self-hosted/kubernetes.md
• en/docs/deploy/self-hosted/openshift.md
• en/docs/deploy/self-hosted/run-locally.md
• en/docs/develop/understand-ide/views/integration-view.md
• en/docs/develop/understand-ide/views/project-view.md
• en/docs/reference/appendix/faq.md
• en/docs/reference/project/cloudtoml-reference.md
• en/sidebars.ts

💤 Files with no reviewable changes (3)

• en/docs/deploy/self-hosted/openshift.md
• en/docs/deploy/self-hosted/docker.md
• en/docs/deploy/self-hosted/kubernetes.md