v0.2.0: Custom Resource Definitions & Domain Core

Kuben v0.2.0 — Custom Resource Definitions & Domain Core

Kuben v0.2.0 introduces the declarative domain model and Kubernetes Custom Resource Definitions (CRDs) that form the core primitives of application management.

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What's New

• Kubernetes Custom Resource Definitions (crates/kuben-crd):
  • Application (apps.kuben.io): Declarative microservice specifications including container images, replica counts, ports, environment variables, health checks, and resource requests/limits.
  • Environment (envs.kuben.io): Isolated lifecycle tiers (development, staging, production) mapped to segregated Kubernetes namespaces.
  • Project (projects.kuben.io): Multi-tenant resource boundaries grouping applications and shared configs.
  • Release (releases.kuben.io): Immutable deployment checkpoints enabling instant, zero-friction rollbacks.
• Type-Safe Prefixed Identifiers (crates/kuben-core):
  • Sortable ULID-based identifiers with human-readable prefixes:
    • kbn_prj_... (Projects)
    • kbn_env_... (Environments)
    • kbn_app_... (Applications)
    • kbn_rel_... (Releases)
• Validation & Schema Export:
  • Automated JSON Schema derivation for Kubernetes 1.30+ OpenAPI v3 compliance using schemars and kube-derive.
  • Property-based tests verifying identifier ordering, parsing, and collision resistance.