Skip to main content

640 posts tagged with "Kubernetes"

Container orchestration, Cluster API, and self-hosted control planes

View all tags

Read the Kubernetes for platform teams guide

CNCF's 276–327-Patch Maintenance Bill for an Internal Platform
·Dora Noda·11 min

CNCF's 276–327-Patch Maintenance Bill for an Internal Platform

A 14-project Kubernetes platform can face 276–327 patches, 43–52 minor upgrades, and 2–5 major upgrades a year. This worked model turns that queue into 187–1,063 engineer-hours and shows how part-time operators can contain it.

Kubernetes
infrastructure
self-hosting
PaaS
Coolify Critical CVEs: The PaaS Isolation Lesson
·Dora Noda·10 min

Coolify Critical CVEs: The PaaS Isolation Lesson

Critical Coolify advisories show how authorization failures and deployment input can reach privileged infrastructure—and which layered controls can narrow the blast radius.

security
self-hosting
PaaS
Kubernetes
Crossplane vs. Cluster API: Draw the Boundary Before AI Draws It for You
·Dora Noda·11 min

Crossplane vs. Cluster API: Draw the Boundary Before AI Draws It for You

Crossplane and Cluster API use Kubernetes reconciliation, but they own different things. Map the boundary between cluster lifecycle, external services, and tenant APIs before exposing infrastructure to AI agents.

AI
infrastructure
Kubernetes
PaaS
CI Runner Pricing in 2026: Depot, Blacksmith, and the Cost of Reserving Your Own Build Capacity
·Dora Noda·8 min

CI Runner Pricing in 2026: Depot, Blacksmith, and the Cost of Reserving Your Own Build Capacity

A reproducible CI-runner cost model across 2, 8, and 20 concurrent jobs: current Depot and Blacksmith pricing beside the fixed cost of reserving self-hosted build nodes.

self-hosting
PaaS
cost-optimization
Kubernetes
Gateway API 1.6 Gives Agent Sandboxes a Named Egress Target—Not an Egress Policy
·Dora Noda·10 min

Gateway API 1.6 Gives Agent Sandboxes a Named Egress Target—Not an Egress Policy

Gateway API 1.6's experimental XBackend can make an AI API destination reviewable. Here is the complete control stack required to turn that declaration into safe sandbox egress.

AI agents
self-hosting
PaaS
Kubernetes
+1
Hetzner DNS Makes `ttl` Mandatory: Audit the One ACME Call That Can Break Renewal
·Dora Noda·9 min

Hetzner DNS Makes `ttl` Mandatory: Audit the One ACME Call That Can Break Renewal

Hetzner Cloud DNS will require an explicit TTL on one RRSet action after September 30, 2026. Identify whether your ACME path uses it, patch the request correctly, and rehearse a safe renewal.

cloud infrastructure
Kubernetes
self-hosting
security
Karpenter on Bare Metal Is Not Magic: The Supply Chain Behind a NodeClaim
·Dora Noda·11 min

Karpenter on Bare Metal Is Not Magic: The Supply Chain Behind a NodeClaim

A NodeClaim can choose capacity; only an automatable machine supply can deliver it. Follow a realistic burst from pending Pod to Ready bare-metal worker.

Kubernetes
infrastructure
self-hosting
PaaS
CVE-2026-35469: Audit SPDY Exposure in Your Self-Hosted Kubernetes Fleet
·Dora Noda·8 min

CVE-2026-35469: Audit SPDY Exposure in Your Self-Hosted Kubernetes Fleet

CVE-2026-35469 affects a SPDY dependency, not a single Kubernetes version. Use this practical audit to identify reachable parsers, verify vendor fixes, and roll self-hosted nodes safely.

Kubernetes
security
self-hosting
infrastructure
Platform Engineering 2.0 Has Five Good Ideas—and an Implementation Gap
·Dora Noda·10 min

Platform Engineering 2.0 Has Five Good Ideas—and an Implementation Gap

A practical readiness matrix for turning Platform Engineering 2.0’s AI, agent, FinOps, security, and composability pillars into operating designs a Kubernetes PaaS can verify.

AI
AI agents
Kubernetes
PaaS
+1
Showing 469–477 of 640 posts