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CASE STUDY · CLOUD & DEVOPS

Infrastructure automation with Terraform delivery pipelines

Moving infrastructure into version-controlled Terraform with automated plan, review, and apply pipelines made changes faster, auditable, and repeatable.

Industry
Insurance
Scale
3 environments · 400+ managed resources · 5 delivery teams
Duration
8 weeks
Service
Cloud & DevOps
95%
faster environment provisioning
100%
of infrastructure changes peer-reviewed
90%
fewer configuration drift incidents
0
manual console changes in production
THE CHALLENGE

Where things stood.

Infrastructure was created through ticket requests and manual console changes. Environments drifted apart, audits were time-consuming, and new environments took weeks.

There was no reliable record of who changed what, which made incidents harder to investigate and compliance reviews slower.

OUR APPROACH

How the engagement ran.

Delivered in phases with a weekly status review and a steering check-in at each milestone.

Weeks 1–2

Assess & design

Inventoried existing infrastructure, designed a module structure, and agreed branching, review, and approval rules.

Weeks 3–5

Codify

Imported existing resources into Terraform and built reusable modules for networking, compute, data, and access.

Weeks 6–7

Automate

Built pipelines that run plan on every pull request, apply after approval, and detect drift on a schedule.

Week 8

Hand over

Documented modules and workflows and trained delivery teams to make infrastructure changes through code.

Technology stack.

Terraform
AWS
Microsoft Azure
GitHub Actions
Azure DevOps
RESULTS

Before and after.

Measured against the baseline agreed at the start of the engagement.

MeasureBeforeAfter
New environment provisioning~2 weeks< 1 day
Infrastructure changes peer-reviewedRarely100%
Configuration drift incidentsMonthly90% fewer
Audit evidence for changesManual collectionPull request history
Resources managed as codeNone400+
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