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1732 posts tagged with "Self-Hosting"

Running your own PaaS and infrastructure on machines you own

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Kubernetes 1.37 Will Reject Your Static Pods: the kubeadm Audit to Run Before You Upgrade
·Dora Noda·8 min

Kubernetes 1.37 Will Reject Your Static Pods: the kubeadm Audit to Run Before You Upgrade

Kubernetes 1.37 removes the opt-out and has the kubelet refuse any static pod referencing a Secret or ConfigMap. The one-line audit for every control-plane node, the full list of rejected fields, and the hostPath and extraVolumes patterns that replace them.

Kubernetes
self-hosting
infrastructure
engineering
Kubernetes 2.0 on HN: Why Rivet's Docker Compose Story Ends at the Second Server
·Dora Noda·10 min

Kubernetes 2.0 on HN: Why Rivet's Docker Compose Story Ends at the Second Server

A skeptic on HN asked how Docker Compose could be a more reliable, scalable alternative to Kubernetes for Rivet's actor platform. Rivet's own docs supply the answer: the Postgres-plus-NATS second-machine path, the 1,000-actor ceiling, and where K0s fits instead.

PaaS
self-hosting
Kubernetes
infrastructure
Your Coding Agent Needs a Sandbox, Not a StatefulSet: gVisor vs Kata Under Kubernetes' New Sandbox Controller
·Dora Noda·10 min

Your Coding Agent Needs a Sandbox, Not a StatefulSet: gVisor vs Kata Under Kubernetes' New Sandbox Controller

Kubernetes SIG Apps shipped an upstream Sandbox controller for running untrusted agent code. A practical decision guide: what it replaces, whether gVisor or Kata fits your tenants, and what warm pools cost in idle capacity.

AI agents
Kubernetes
self-hosting
security
+1
10,000 MCP Servers and No Human Wiring Them Up: What Server Cards and Stateless Operation Mean for Agents That Deploy Your Apps
·Dora Noda·10 min

10,000 MCP Servers and No Human Wiring Them Up: What Server Cards and Stateless Operation Mean for Agents That Deploy Your Apps

MCP passed 10,000 public servers and is going stateless and self-describing, so agents will soon reach your deploy tools with no human wiring anything up. Here is the three-tier tool surface — observe freely, gate mutation, deny destruction — that survives contact with autonomous callers.

Model Context Protocol
AI agents
security
self-hosting
+1
k3s Now, EKS Later? Pricing Ownkube's Graduation Ladder Against Cluster API on Day One
·Dora Noda·10 min

k3s Now, EKS Later? Pricing Ownkube's Graduation Ladder Against Cluster API on Day One

Ownkube lets teams start on hosted compute and graduate the same app into their own AWS account, from free single-node to metered multi-AZ. A priced run of one steady 2-vCPU team workload across every rung — plus what re-surfaces on migration day — against committing to Cluster API on flat hardware from the first deploy.

PaaS
self-hosting
cost-optimization
Kubernetes
+1
Docker Is Enough Until the Second Server: Why We Still Bet on Kubernetes
·Dora Noda·9 min

Docker Is Enough Until the Second Server: Why We Still Bet on Kubernetes

2026's PaaS-first chorus says Docker on one box handles 95% of workloads and Kubernetes is overkill. The verdict table, the Coolify/Dokploy/CapRover facts, and the five things that break at the second server — plus where the backlash is completely right.

PaaS
self-hosting
Kubernetes
infrastructure
Every Pull Request Gets Its Own Environment: The Real Build-vs-Buy Math for Preview Environments
·Dora Noda·11 min

Every Pull Request Gets Its Own Environment: The Real Build-vs-Buy Math for Preview Environments

Shared staging lets a team finish 12 of 42 tickets while the rest queue. Preview-per-PR fixes that — the question is whether to build it on a Cluster-API fleet or buy it from Bunnyshell, Uffizzi, or Northflank. First-year totals, the breakeven near 20 concurrent PRs, and the six jobs every solution must cover.

PaaS
self-hosting
Kubernetes
developer tools
Railway Cloud Agents Promote Your Dev VM Straight to Prod: What Skipping the Build Actually Costs
·Dora Noda·10 min

Railway Cloud Agents Promote Your Dev VM Straight to Prod: What Skipping the Build Actually Costs

Railway's Cloud Agents Beta promotes the agent's lived-in VM straight to production via a VM daemon, skipping git push and CI as too slow. A five-row ledger of what the build step was quietly doing — drift, secrets, approvals, rollback, provenance — and how to keep the fast loop without shipping a mutable machine.

PaaS
self-hosting
AI agents
security
+1
Railway Shipped a Free CDN, but Your Egress Bill Didn't Get the Memo
·Dora Noda·8 min

Railway Shipped a Free CDN, but Your Egress Bill Didn't Get the Memo

Railway launched a free Fastly-powered CDN in March 2026 — opt-in, off by default, with HTML always served from origin. A worked bill for 500 GB of monthly assets at 0%, 70%, and 90% edge-hit ratios against a flat Hetzner box, plus the SSR case where the CDN barely helps.

PaaS
self-hosting
cost-optimization
infrastructure
+1
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