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Crossplane — Kubernetes-native IaC

27. 07. 2025 1 min read intermediate

Cloud Expert

Crossplane — Kubernetes-native IaC

CrossplaneKubernetesIaCGitOps 5 min read

Crossplane compositions, claims, XRDs a GitOps workflow.

Proč Crossplane

  • K8s API pro infrastrukturu (kubectl, RBAC, GitOps)
  • Compositions = vlastní platformní API
  • Multi-cloud, self-service pro vývojáře

Composition a Claim

# XRD definuje API
apiVersion: apiextensions.crossplane.io/v1
kind: CompositeResourceDefinition
metadata:
  name: xdatabases.platform.example.com
spec:
  claimNames:
    kind: Database
---
# Claim — vývojář si objedná DB
apiVersion: platform.example.com/v1alpha1
kind: Database
metadata:
  name: my-app-db
spec:
  engine: postgres
  size: medium

GitOps

Crossplane + ArgoCD = plně deklarativní infra přes Git. Claims v repo, ArgoCD sync, Crossplane provisionuje.

Summary

Crossplane = budoucnost IaC pro K8s-native organizace. Compositions = platformní API.

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CORE SYSTEMS tým

Stavíme core systémy a AI agenty, které drží provoz. 15 let zkušeností s enterprise IT.