FinOps Infrastructure·Late 2025· FinOps Production Architecture

Autonomous Spot Arbitrage & Multi-Region FinOps

Shift workloads dynamically across 5 AWS regions to cut compute bill by 72%.

72%
Bill Reduction
Drop from $41.6K to $11.6K
$30K
Saved Monthly
Direct cloud spend
<45ms
p99 Latency
Edge-routed response
The Problem

The Predatory Economics of Legacy Enrichment

Monolithic ECS service ran on six on-demand Fargate tasks per region, 24/7 — $41.6K/mo. Split into stateless services on spot, scheduler shifts to cheapest region hourly.

The Solution

Transparent Waterfalling & Zero-Waste Billing

Terraform-managed spot fleets, 2-minute drain grace, Caddy at the edge. Stateful bits (Postgres, Redis) stay on-demand; everything else chases spot. CDN tuning cut egress 18%.

Engineered for scale, speed, and safety.

Predictive Spot Interruption Handling

2-minute drain grace period triggers pre-emptive container migration before termination notice fires.

How the system works under the hood.

Dynamic DNS & Caddy Reverse Proxying

Routes ingress traffic smoothly to whichever region currently has the lowest active spot instance bid.

Built with precision tooling.

AWS
ECS Fargate
Spot Fleet
Terraform
Caddy
Go

Need a production system built with this level of rigor?

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