Arnaud Pouppeville Architect’s Notebook
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DevOps

A collection of 4 posts
Terraform Infrastructure Repo: What Belongs (and What Doesn't)
Terraform

Terraform Infrastructure Repo: What Belongs (and What Doesn't)

A practical guide to Terraform infrastructure repo structure: what belongs, how to split state by blast radius, and what to keep out.
08 Jun 2026 10 min read
The Blast Radius Problem: Running Your Coding Agent in YOLO Mode
Coding Agents

The Blast Radius Problem: Running Your Coding Agent in YOLO Mode

Running your coding agent in bypass mode on your laptop is the mistake. A VM with Tailscale and default-deny egress is how you shrink the blast radius.
18 Apr 2026 5 min read
KEDA Didn't Just Save Us Money. It Saved Our Jobs From Themselves.
Kubernetes

KEDA Didn't Just Save Us Money. It Saved Our Jobs From Themselves.

How we stopped AKS PDF workers from OOM-crashing using KEDA scale to zero, a dedicated high-memory node pool, and a Postgres queue trigger.
21 Mar 2026 6 min read
Solving AI Sprawl: Using Git Worktrees and ADRs to Govern Parallel Agents
Software Architecture

Solving AI Sprawl: Using Git Worktrees and ADRs to Govern Parallel Agents

How a five-phase AI-assisted SDLC pipeline (SpecKit, Git worktrees, /done, Claude Poll, /fix-pr) enforces architectural discipline at speed without the AI sprawl.
15 Mar 2026 8 min read
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Arnaud Pouppeville Architect’s Notebook © 2026
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