RHIDP-15905: Document HTTP/2 enablement options for RHDH installations

[jmagak]

IMPORTANT: Do Not Merge - To be merged by Docs Team Only

Version(s):

Issue: RHIDP-15905

Preview:

13. Enable HTTP/2 to reduce page load times
13.1. HTTP/2 and the frontend connection bottleneck
13.2. HTTP/2 TLS requirements and connection coalescing caveats
13.3. Enable HTTP/2 by using a reverse proxy with Helm
13.4. Enable HTTP/2 by using a reverse proxy with the Operator
13.5. Request cluster-wide HTTP/2 on OpenShift Container Platform

[rhdh-bot]

PR Build Results

Build passed -- 37/37 titles | 97s
Preview: https://redhat-developer.github.io/red-hat-developers-documentation-rhdh/pr-2548/

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Content Quality Assessment

CQA Report

• CQA-00a: Orphaned modules
• CQA-00b: Directory structure
• CQA-01: Vale AsciiDoc DITA compliance
• CQA-02: Verify assembly structure
• CQA-03: Verify content type metadata
• CQA-04: Verify module templates
• CQA-05: Verify required modular elements
• CQA-06: Verify assemblies follow official template (one user story)
• CQA-07: Verify TOC depth (max 3 levels)
• CQA-08: Verify short description content quality
• CQA-09: Verify short description format
• CQA-10: Verify titles are brief, complete, and descriptive
• CQA-11: Verify procedure prerequisites
• CQA-12: Verify grammar and style (Vale)
• CQA-13: Verify content matches declared type
• CQA-14: Verify no broken links
• CQA-14b: Inbound link stability (no ID changes for existing files)
• CQA-15: Check redirects
• CQA-16: Verify official product names
• CQA-17: Verify legal disclaimers for preview features
• CQA-jtbd-01: Verify navigation file structure
• CQA-jtbd-02: Modules not yet in product_product (informational)

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Summary

Checks: 22 total, 22 pass, 0 fail

Modules not yet in product_product

23 modules (proc, con, ref) are not yet included in the product_product title.

modules/configure_configuring-rhdh/ (5)

• modules/configure_configuring-rhdh/con-http2-and-the-frontend-connection-bottleneck.adoc
• modules/configure_configuring-rhdh/proc-enable-http2-by-using-a-reverse-proxy-with-helm.adoc
• modules/configure_configuring-rhdh/proc-enable-http2-by-using-a-reverse-proxy-with-the-operator.adoc
• modules/configure_configuring-rhdh/proc-request-cluster-wide-http2-on-openshift.adoc
• modules/configure_configuring-rhdh/ref-http2-tls-requirements-and-connection-coalescing-caveats.adoc

modules/shared/ (15)

• modules/shared/con-about-the-rhdh-cli.adoc
• modules/shared/con-permission-based-ui-visibility-for-a-cleaner-user-experience.adoc
• modules/shared/con-permission-types-for-rbac-ui-visibility-control.adoc
• modules/shared/con-unsupported-scenarios-and-constraints-for-rbac-ui-visibility.adoc
• modules/shared/con-user-experience-and-security-benefits-of-rbac-ui-hiding.adoc
• modules/shared/proc-authenticating-and-registering-action-sources-for-the-rhdh-cli.adoc
• modules/shared/proc-configure-rate-limits-for-lightspeed.adoc
• modules/shared/proc-configure-rbac-visibility-rules-to-hide-unauthorized-ui-elements.adoc
• modules/shared/proc-configuring-rhdh-for-the-rhdh-cli.adoc
• modules/shared/proc-installing-the-rhdh-cli.adoc
• modules/shared/ref-ai-feature-permissions.adoc
• modules/shared/ref-permission-evaluation-behavior-for-ui-visibility.adoc
• modules/shared/ref-plugin-permissions-for-ui-visibility.adoc
• modules/shared/ref-rhdh-cli-commands-overview.adoc
• modules/shared/ref-ui-elements-with-rbac-visibility-control.adoc

modules/upgrade_upgrade-rhdh/ (3)

• modules/upgrade_upgrade-rhdh/con-rhdh-upgrade-helper-skill.adoc
• modules/upgrade_upgrade-rhdh/proc-run-the-rhdh-upgrade-helper-skill.adoc
• modules/upgrade_upgrade-rhdh/ref-rhdh-upgrade-helper-skill-configuration-inputs.adoc

22 checks: 22 pass, 0 fail

Run node build/scripts/cqa/index.js --all --fix locally to review and auto-fix issues.

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Updated 2026-09-21 16:51:34 UTC

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud