docs(k8s): OpenShift deployment guide for the standalone Helm chart

[as51340]

Release note

Added a "Deploying on Red Hat OpenShift" guide to the standalone Memgraph Helm chart docs, mirroring the OpenShift notes the HA chart page already has. It covers what has to change from the chart defaults to get the pod past the restricted-v2 SCC: disabling the privileged init-sysctl init container (and setting vm.max_map_count at node level instead), keeping the core-dumps claim disabled, moving memgraphUserId/memgraphGroupId into the project's allowed UID range, plus notes on storage classes, external access, and the nonroot-v2 SCC alternative.

Related product PRs

None. Documents existing chart behaviour in memgraph/helm-charts.

Checklist:

• Add appropriate milestone (current release cycle)
• Add bugfix or feature label, based on the product PR type you're documenting
• Make sure all relevant tech details are documented
  • Update reference pages (n/a)
  • Search for the feature you are working on (mentions) and make updates if needed
  • Provide a basic example of usage
  • In case your feature is an Enterprise one, list it under ME page (n/a)
• Check all content with Grammarly
• Perform a self-review of my code
• The build passes locally
• My changes generate no new warnings or errors

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Project	Deployment	Actions	Updated
documentation	Ready	Preview	Sep 7, 2026 12:00pm UTC