Why it matters

Container security is baseline. Understanding shapes deployment.

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The architecture

Sign images (Cosign / Notary).

Scan (Trivy / Grype).

Minimal base.

Registry access control.

Container supply chainSignCosignScanTrivy / GrypeMinimal + admissiondistroless + policySLSA + Sigstore for provenance; admission policy blocks unsigned/unscanned
Container supply chain.
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How it works end to end

Sigstore / Cosign for signing.

Distroless base images.

SLSA levels for build integrity.

Admission policies (Kyverno / OPA).