The Cloud Playbook | Amrut Patil | Substack

Build predictable AWS platforms in high‑stakes environments, not just “working” systems.

Platform Engineering

TCP #133: Permission sets belong in a pipeline, not in the Identity Center console

The controls-as-code system for permission sets: repo structure, CI/CD deployment, privilege review gates, and drift detection

Jul 16 • Amrut Patil

TCP #132: Your Control Tower guardrails belong in Terraform, not the console

The controls-as-code system for preventive, detective, and proactive guardrails, with review, drift detection, and rollout order.

Jul 12 • Amrut Patil

TCP #131: The multi-account checklist regulated SaaS teams should have written

Account strategy, identity, networking, tenancy, and audit — each section with owners, cadences, and evidence.

Jul 9 • Amrut Patil

TCP #127: The ADR template that turns architecture into a written contract

Decision context, tradeoffs, risk, cost, compliance, and rollback captured in a format leadership can read.

Jun 21 • Amrut Patil

TCP# 124: The 6 golden paths worth building first, and how to sequence them.

Scored by frequency, friction, risk, and reach. With backlog template and adoption metrics.

May 24 • Amrut Patil

TCP #123: Golden paths fail when they require engineers to choose them

The difference between documentation and a system, and why one scales while the other doesn't.

May 17 • Amrut Patil

The Cloud Playbook

The Cloud Playbook

Playbooks for engineering leaders running multitenant SaaS on AWS who choose predictability over speed: boringly reliable services, controlled cloud spend, and audit-ready compliance.

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