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Knative Serving installation
install.sh verifies repository-pinned SHA-256 checksums for the upstream
Serving and Kourier v1.22.0 assets before applying them over SSH. It is
idempotent. Kourier is kept ClusterIP; public entry through Traefik, DNS, and
TLS requires separate reef admission evidence.
The installer enables only Knative's
kubernetes.podspec-init-containers feature. Production workloads use init
containers for fail-closed admission checks such as verifying that egress
policy has reconciled before application code starts.
Run install.sh railiance01, then verify.sh railiance01.
Before workload admission, rollback deletes Kourier, Serving core, then CRDs using the same verified assets. After Knative Services exist, removal requires a workload migration and backup review and is not unattended.