Platform architecture

Terraform-Safe OCI Platform Foundation

Designed a safer delivery runway for OCI environments using Terraform boundaries, IAM guardrails, promotion gates, and reviewable release paths.

Role

Architecture + delivery

Stack

OCI / Terraform

Outcome

500+ resources protected

Problem

Cloud environments needed repeatable change without drift, resource recreation, or unclear ownership.

Context

OCI was the primary platform. The work focused on keeping infrastructure changes reviewable, state-aware, and safe across dev, test, stage, and production environments.

My ownership

Owned Terraform boundary design, IAM guardrails, environment promotion checks, release review structure, and operational validation.

Architecture / delivery approach

Separated infrastructure concerns into reviewable units, protected state-sensitive resources, documented promotion expectations, and made release paths explicit before production execution.

Outcome

Protected 500+ OCI resources per environment and made platform changes safer to review, promote, and operate.

key decisions

  • Treat Terraform state as a production asset, not an implementation detail.
  • Keep IAM, networking, and runtime boundaries visible during review.
  • Use environment promotion gates to reduce drift and surprise recreation.

architecture examples

representative example

Environment promotion flow

How platform changes become reviewable before production.

representative example

Release checklist

A release checklist for Terraform-safe platform changes.

  • State impact reviewed
  • IAM boundary checked
  • Network blast radius understood
  • Rollback path documented

portable standard

The cloud primitives change by provider, but the standard is portable: state boundaries, least privilege, review gates, and controlled promotion.

OCITerraformIAMVCNRelease Management