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Home / Articles / Technology

NebulaCR: Enterprise OCI Registry With Observability and Compliance

Rust registry stack, zero-trust OIDC, SCIM, Prometheus metrics, and Kubernetes-native Helm deployment

April 12, 2026Technology8 min read
NebulaCR: Enterprise OCI Registry With Observability and Compliance
DevOpsSecurityKubernetes

NebulaCR (github.com/bwalia/nebulacr) is a Rust Cargo workspace: nebula-registry (OCI API, :5000), nebula-auth (OIDC + JWT, :5001), nebula-common, nebula-controller (CRDs), nebula-mirror (pull-through), nebula-resilience, and nebula-replication. Build with cargo build --workspace --release. Official site: nebulacr.org. Full write-up: documentation blog.

Diagrams (from README / Cargo layout)

NebulaCR Cargo workspace crates

NebulaCR architecture stack

NebulaCR ingress, ports, metrics

NebulaCR zero-trust authentication flow

NebulaCR CRDs and observability

Highlights

  • OCI Distribution API v2, Docker and Podman compatible
  • Zero-trust OIDC for CI (GitHub Actions, GitLab) and interactive SSO
  • Prometheus metrics (e.g. nebulacr_http_requests_total), structured logs, OpenTelemetry tracing
  • Pull-through cache for Docker Hub, GHCR, GCR, Quay, registry.k8s.io
  • Helm OCI chart (ghcr.io/bwalia/charts), HPA, ingress TLS, ServiceMonitor

Key Industry Statistics

85%

Adoption Rate

$2.3B

Market Size

45%

Growth Rate

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Latest Trends 2024

  • AI-Powered Automation: 300% increase in adoption
  • Cloud-Native Solutions: 85% of enterprises migrating
  • Zero-Trust Security: $45B market by 2025
  • Edge Computing: 50% reduction in latency
  • MLOps Adoption: 200% growth year-over-year

Industry Insights

Market Opportunity

Global market expected to reach $500B by 2025, growing at 35% CAGR

Talent Demand

500K+ job openings for AI/DevOps engineers in 2024

Compliance

GDPR, SOC 2, and ISO 27001 certification becoming standard

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