Infrastructure as Code (Bicep/Terraform)

Deliver Azure and Microsoft platform changes safely and repeatably with Infrastructure as Code, reducing drift and accelerating delivery using Bicep and Terraform.

When cloud environments are changed manually, the risk of configuration drift increases with every deployment. Teams lose confidence in what is “standard”, environments diverge, and repeatable delivery becomes difficult. This slows down projects, makes troubleshooting harder, and increases security and compliance risk because baseline controls are not consistently applied. Infrastructure as Code (IaC) addresses this by treating infrastructure definitions as versioned, testable artefacts that can be deployed predictably.
LW IT Solutions delivers Infrastructure as Code using Bicep and Terraform as a practical engineering service. We design reusable modules for your core platform components, implement standards for naming, tagging, and policy alignment, and integrate deployment into your preferred workflow. We can build IaC for landing zones, networking, identity-adjacent platform components, and application infrastructure, subject to scope and required access. Tooling choice depends on your organisation: Bicep is Azure-native and tightly aligned to ARM, while Terraform provides multi-cloud patterns and a broad ecosystem; we can support either or both depending on your needs.

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Service Overview

Highlights

  • Bicep and Terraform delivery options, aligned to your tooling and platform direction
  • Reusable modules with consistent naming, tagging, and policy-aware patterns
  • Environment parameterisation for dev, test, and production deployments
  • Pipeline and approval workflow integration to support controlled releases
  • Drift reduction through repeatable deployments and documented operating practices

Business Benefits

  • Reduce configuration drift by making environments reproducible from code
  • Improve change control through versioned deployments and reviewable pull requests
  • Accelerate delivery with reusable modules for common Azure components
  • Increase auditability by recording what changed, when, and why in source control
  • Embed naming, tagging, and policy alignment into deployments to improve consistency

Typical use cases

  • Teams moving from manual Azure changes to repeatable deployments
  • New platform builds requiring consistent landing zones and network foundations
  • Organisations needing stronger governance and auditability of infrastructure changes
  • Projects deploying the same application infrastructure across multiple environments
  • Existing IaC estates requiring refactoring into clearer modules and standards

Objectives & deliverables

What Success Looks Like

  • Standardise and automate cloud infrastructure deployments across environments
  • Reduce configuration drift and improve auditability of changes
  • Accelerate delivery by using reusable modules and templates
  • Enable controlled change through versioning, review processes, and deployment pipelines
  • Improve security posture by embedding standards and policies into deployments

What You Get

  • IaC standards pack: conventions, patterns, and governance alignment notes
  • Reusable Bicep and/or Terraform modules for the agreed infrastructure scope
  • Deployment templates and parameterisation approach for environments
  • Documentation: how to use, extend, and safely deploy modules
  • Backlog for expanding coverage to additional services and environments

How It Works

  1. Discovery - confirm target platforms, scope, environments, and governance constraints
  2. Design - define module structure, conventions, parameter strategy, and state approach where applicable
  3. Build - create Bicep and/or Terraform modules for the agreed infrastructure components
  4. Pipeline integration - implement deployment workflow aligned to your chosen CI/CD platform and approvals
  5. Validation - test deployments across dev, test, and production patterns and verify policy and tagging outcomes
  6. Handover - document module usage, extension approach, and operating processes for ongoing change

Engagement Options

  • Starter - establish IaC standards and deliver initial modules for a defined scope
  • Platform - build reusable modules for landing zones, networking, and shared services
  • Application - deliver IaC for application infrastructure with environment parameterisation
  • Improve - refactor existing templates, reduce drift, and introduce stronger change control

Common Bundles

Customers who use this service often bundle with these services

Azure Landing Zones (CAF-aligned)
Build a secure, scalable Azure foundation using CAF-aligned landing zones with clear governance, identity, networking, and management baselines.

Azure Network Architecture (Hub/Spoke, DNS, Private Link)
Azure network architecture services covering hub and spoke design, DNS, routing and Private Link to support secure, scalable connectivity.

Azure Cost Optimisation Assessment
FinOps-aligned Azure cost assessment identifies waste, rightsizing opportunities, reservations, and guardrails so teams regain control of cloud spend.

Cloud Security (Firewall, WAF, FortiGate, Azure Policy)
Design and implement Azure firewall, WAF and policy controls that reduce attack surface, govern traffic flows, and improve security monitoring.

Frequently Asked Questions

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