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Insights, analysis, and updates from the AI agent economy. Browse by tag · Browse the archive.

Gateway API 1.5 Is GA and Ingress-NGINX Is Dead — Your Migration Inventory for a Fleet That Routes Every Tenant Domain
·Dora Noda·13 min

Gateway API 1.5 Is GA and Ingress-NGINX Is Dead — Your Migration Inventory for a Fleet That Routes Every Tenant Domain

Gateway API 1.5 promoted six features to GA on February 27, 2026 — the same quarter ingress-nginx shipped its final release. A concrete annotation-by-annotation inventory of what ingress2gateway translates cleanly, what needs hand-authoring, and why a botched migration on a PaaS that routes hundreds of tenant domains is fleet-wide breakage.

Kubernetes
self-hosting
PaaS
cloud infrastructure
+1
Fourteen Criteria, Ten Platforms, Three Bills: When Railway and Render Stop Being Cheap
·Dora Noda·15 min

Fourteen Criteria, Ten Platforms, Three Bills: When Railway and Render Stop Being Cheap

Selko's July 2026 evaluation scored ten platforms on fourteen weighted criteria and priced the same app at $0-10, $40-60, and $200-500 — then we verified every live 2026 meter and ran the break-even math on when flat bandwidth beats per-GB billing.

PaaS
cost-optimization
hosting
self-hosting
+1
The Four PaaS Pricing Pages You Must Re-Audit in Q3 2026: Railway, Render, Fly, and Vercel After Active CPU
·Dora Noda·14 min

The Four PaaS Pricing Pages You Must Re-Audit in Q3 2026: Railway, Render, Fly, and Vercel After Active CPU

Railway, Render, Fly.io, and Vercel all moved their meters in 2026. A same-workload, line-by-line bill recompute across all four — plus the flat Hetzner baseline — shows where costs really diverge.

PaaS
cost-optimization
self-hosting
cloud infrastructure
+1
Fly.io's $2.02 Machine Isn't Your Bill: The Five Metered Lines That Double It
·Dora Noda·16 min

Fly.io's $2.02 Machine Isn't Your Bill: The Five Metered Lines That Double It

Fly.io's $2.02 Machine is the headline, not the invoice. A line-by-line reconstruction of what volumes, egress, egress IPs, snapshots, and private networking add to a real app — and what the same stack costs flat on Hetzner.

PaaS
self-hosting
cost-optimization
cloud infrastructure
+1
Cloudflare Containers vs a €4 Hetzner Box: What a Container Next to Your Worker Actually Costs
·Dora Noda·16 min

Cloudflare Containers vs a €4 Hetzner Box: What a Container Next to Your Worker Actually Costs

Cloudflare Containers bills per 10ms with scale-to-zero; a Hetzner CX23 costs €3.99 flat with 20TB included. Three workloads priced line by line show when the edge container wins and when the owned box wins — and why it is a latency versus predictability tradeoff.

PaaS
self-hosting
cloud infrastructure
cost-optimization
Waking Idle Apps at the Proxy Layer: Sablier vs KEDA vs Knative for the 30-App Fleet
·Dora Noda·12 min

Waking Idle Apps at the Proxy Layer: Sablier vs KEDA vs Knative for the 30-App Fleet

Sablier wakes idle containers at the reverse-proxy layer — Traefik, Caddy, Nginx — with no operator or sidecar. How its blocking and waiting-page strategies compare to KEDA and Knative for a fleet of dozens of low-traffic apps, what idle-hour math actually saves, and where HTTP-only wake hits its ceiling.

self-hosting
PaaS
Kubernetes
infrastructure
+1
Coolify Cloud at $5 for 2 Servers vs a Raw Hetzner CX22 at €4.35: What That Subscription Actually Buys
·Dora Noda·14 min

Coolify Cloud at $5 for 2 Servers vs a Raw Hetzner CX22 at €4.35: What That Subscription Actually Buys

Coolify Cloud charges $5 for two servers plus $3 per extra — on top of the Hetzner CX22 it manages at €4.35 with 20TB included. A line-by-line teardown of the real totals at 1, 2, 5, and 10 servers and where the fleet still stays manual.

self-hosting
PaaS
infrastructure
cost-optimization
+1
Coolify Cloud's $5 for 2 Servers vs a Hetzner CX22 at €4.35: What the $5 Actually Rents
·Dora Noda·15 min

Coolify Cloud's $5 for 2 Servers vs a Hetzner CX22 at €4.35: What the $5 Actually Rents

Coolify Cloud is $5/month for 2 servers, then $3 per extra — on top of the Hetzner CX22 it runs on. A line-by-line teardown of what the $5 rents, what €4.35 bought before 2026's hikes, and where per-server rent breaks a growing fleet.

self-hosting
PaaS
cost-optimization
hosting
+1
Railway's $5 Looks Flat Until the Meter Starts: Where It Beats — and Loses to — a €10 Hetzner Box
·Dora Noda·18 min

Railway's $5 Looks Flat Until the Meter Starts: Where It Beats — and Loses to — a €10 Hetzner Box

Railway's $5 Hobby and $20 Pro are credits, not caps — overage bills $10/GB RAM and $20/vCPU per month. A three-tier teardown shows the exact GB-hour where Railway stops being cheaper than a flat €10 Hetzner CX22 and why bursty workloads rewrite the math.

self-hosting
PaaS
cost-optimization
infrastructure
+1
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