DOC-2098, DOC-1434: Extend Serverless trial to 30 days; add GCP Marketplace self-service

[micheleRP]

Summary

• DOC-2098 / ENG-1190 — Update the Serverless free-trial copy from 14 days to 30 days. Credits ($100 USD) and the 7-day grace period are unchanged.
• DOC-1434 / ENG-651 — Document self-service sign-up through Google Cloud Marketplace. Mirrors the AWS Marketplace pay-as-you-go experience: $300 USD in free credits over the first 30 days, available for Serverless and Dedicated clusters.

Bundling the two tickets into one PR because they're shipping at the same time and share SME reviewers.

Changes

File	Change
modules/get-started/partials/get-started-serverless.adoc	"14 days" → "30 days"; new Google Cloud Marketplace tab
modules/get-started/pages/cloud-overview.adoc	New Google Cloud Marketplace tab in the Dedicated sign-up section
modules/billing/pages/gcp-pay-as-you-go.adoc	New page, mirrors aws-pay-as-you-go.adoc
modules/ROOT/nav.adoc	New nav entry: GCP: Use Pay As You Go
modules/get-started/pages/whats-new-cloud.adoc	New May 2026 section (trial extension) and new April 2026 entry (GCP self-service)

Preview pages

• Use GCP Pay As You Go (new)
• Redpanda Cloud Overview (updated)
• Serverless (updated)
• What's New in Redpanda Cloud (updated)

Test plan

• Local build succeeds (npm run build && npm run serve) with no new errors or warnings introduced.
• Serverless overview → Free trial / AWS / Google Cloud tabs render correctly; Free trial reads "first 30 days."
• Cloud overview → Dedicated sign-up shows Sales / AWS / Google Cloud tabs.
• GCP Pay As You Go page loads and follows the same structure as AWS Pay As You Go.
• Nav shows GCP: Use Pay As You Go directly under AWS: Use Pay As You Go.
• What's New shows May 2026 (Extended trial) above April 2026 (GCP self-service top of list).
• SME confirms credit amount ($300 / 30 days), Marketplace listing URL once available, and "Serverless and Dedicated only" scoping for GCP self-service.

🤖 Generated with Claude Code

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 8929135d-d0a8-4c44-8c65-37f9e2015c19

📥 Commits

Reviewing files that changed from the base of the PR and between bfe7d8b and a6e1f0b.

📒 Files selected for processing (5)

• modules/ROOT/nav.adoc
• modules/billing/pages/gcp-pay-as-you-go.adoc
• modules/get-started/pages/cloud-overview.adoc
• modules/get-started/pages/whats-new-cloud.adoc
• modules/get-started/partials/get-started-serverless.adoc

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📝 Walkthrough

Walkthrough

This PR adds documentation for Google Cloud Marketplace integration with Redpanda Cloud's pay-as-you-go billing option. It includes a new dedicated documentation page explaining the GCP subscription process, updates to the billing navigation to link the new page, extensions to existing cloud-overview and get-started pages to feature the Google Cloud Marketplace option alongside AWS Marketplace, and updates to the "What's New" section announcing the May 2026 GCP Marketplace availability and extended Serverless free trial period (14 to 30 days).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~4 minutes

Possibly related PRs

• DOC-893 Document feature UBB-BYOC #350: Modifies billing navigation and adds GCP pay-as-you-go billing page entries, directly overlapping with navigation and billing documentation changes.
• DOC-1350 Document feature Serverless on GCP #432: Updates the same serverless and "what's new" documentation files to add GCP-related Serverless and marketplace information with parallel content additions.

Suggested reviewers

• kbatuigas
• nicolaferraro
• paulohtb6

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The description is well-structured with a clear summary of both tickets, detailed file-by-file changes, preview links, and a comprehensive test plan. However, it does not follow the provided template structure with sections for issue resolution link, review deadline, and explicit checkbox selections.	Add explicit issue resolution links, review deadline, and verify all template checkboxes are properly marked to fully comply with repository standards.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title directly and clearly summarizes the two main changes: extending Serverless trial to 30 days and adding GCP Marketplace self-service, with ticket references for traceability.
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
• Commit unit tests in branch DOC-2098-Document-feature-Extend-Serverless-trial-from-14-to-30-days

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[t-eckert]

Worth double-checking if we want to offer Dedicated through this method. I'm not certain that we do.