Cloud Infrastructure and Infrastructure as Code Services
Provision and manage cloud resources through reviewed, versioned code. Ancilar builds infrastructure as code with Terraform, OpenTofu, Pulumi, or Crossplane, including reusable components, drift detection, governance, and clear operational ownership.
What Is Infrastructure as Code?
Infrastructure as code (IaC) defines and manages cloud resources through versioned configuration. Teams review changes, reuse approved components, and detect configuration drift. Shared ownership matters: 81% of surveyed FinOps teams used centralized enablement or hub-and-spoke models. [FinOps Foundation, 2026] Ancilar builds provisioning workflows with Terraform, OpenTofu, Pulumi, or Crossplane. Work covers reusable components, state or controller operations, policy checks, and resource ownership.
"Ancilar delivers infrastructure as code services with Terraform, OpenTofu, Pulumi, or Crossplane, combining reusable provisioning components, appropriate state management, policy checks, drift detection, and cost review for enterprise cloud environments with documented ownership and workflows."
Why Teams Build Infrastructure as Code
Review infrastructure changes, reuse approved patterns, and detect differences between declared configuration and running resources.
Repeatable Environments
Repeatable environments from reusable modules and explicit deployment settings.
Reviewable Changes
Clear change reviews before infrastructure updates reach production environments.
Visible Configuration Drift
Visible configuration drift with actionable differences for engineering review.
Policy Guardrails
Consistent policy checks before approved infrastructure changes reach production.
Earlier Cost Review
Earlier cost decisions through estimates attached to infrastructure changes.
Consistent Provisioning Workflows
Consistent provisioning workflows across clouds with provider-specific resource definitions.
Infrastructure as Code Use Cases
Multi-Cloud Provisioning
Coordinate provider-specific infrastructure through shared repositories and approval workflows.
Environment Standardization
Reuse modules across environments with documented capacity and access differences.
Self-Service Infrastructure
Expose approved resource compositions through Crossplane APIs for developers.
Infrastructure Control Evidence
Record configuration checks and approvals for infrastructure control reviews.
Review Infrastructure Architecture Options
Common Infrastructure as Code Failures
Configuration Drift
Manual changes leave running resources different from declared configuration.
Unsafe State Operations
Concurrent writes and weak backups put infrastructure state at risk.
Duplicated Configuration
Copied resource definitions require repeated fixes across multiple environments.
Missing Policy Checks
Unchecked configuration can introduce prohibited resources or excessive permissions.
Unexpected Cloud Costs
Unreviewed resource changes introduce costs absent from project budgets.
Provider-Specific Dependencies
Cloud-specific services need explicit migration and interoperability design decisions.
How Ancilar Delivers Infrastructure as Code
IaC Tooling Selection and Strategy
- Evaluate Terraform, OpenTofu, Pulumi, and Crossplane against your team model
- Document provider-specific resources, portability limits, and migration trade-offs
Module Architecture and Reuse
- Version modules, Pulumi components, or Crossplane compositions for reuse
- Standardize infrastructure patterns across teams and environments
State and Lifecycle Management
- Protect remote state with encryption, backups, and supported backend locking
- Separate state and credentials; plan controller recovery for Crossplane
Policy-as-Code Governance
- Select Sentinel, OPA, or Checkov checks for the chosen provisioning workflow
- Evaluate defined rules before apply and record approved exceptions
Drift Detection and Reconciliation
- Schedule drift checks with Spacelift or dedicated infrastructure plan jobs
- Review detected differences before destructive or stateful reconciliation
Multi-Cloud and Hybrid Architecture
- Design consistent provisioning across AWS, Google Cloud, and Azure
- Build hybrid connectivity and cross-cloud networking
Cost Estimation and FinOps Integration
- Integrate Infracost estimates for supported Terraform or OpenTofu resources
- Build budget guardrails into the provisioning workflow
CI/CD for Infrastructure
- Automate infrastructure plan, review, and apply with Atlantis or suitable CI tooling
- Integrate infrastructure delivery with GitOps workflows
Make infrastructure changes reviewable, with clear operating ownership.
Build reviewed infrastructure workflows with documented controls and ownership.
Technical Architecture & Enterprise Stack
Terraform
AWS CloudFormation
AWS
Google Cloud
Azure
Terraform
AWS CloudFormation
AWS
Google Cloud
Azure
Kubernetes
Docker
Cloudflare
Prometheus
Grafana
Kubernetes
Docker
Cloudflare
Prometheus
Grafana
From Strategy to Production
Infrastructure Assessment
- Audit resources, configuration drift, and governance gaps
- Define cloud scope, resource ownership, and target provisioning requirements
Deliverable:Assessment report and IaC strategy
Tooling and Architecture Design
- Select IaC tooling and state or controller management
- Design reusable components, environment boundaries, and policy checks
Deliverable:Architecture decision record and module plan
Components and State Foundation
- Build versioned components with separate environment credentials and permissions
- Protect state with backups and locking, or configure controller recovery
Deliverable:Versioned components and documented state or controller setup
Provisioning and Migration
- Import supported resources and inspect plans for updates, replacement, or deletion
- Provision and validate intended configuration across the scoped environments
Deliverable:Provisioned infrastructure with test coverage
Governance and Cost Controls
- Implement policy checks and supported resource cost estimation
- Configure drift detection with reviewed reconciliation and exception handling
Deliverable:Policy suite and cost guardrails
CI/CD and Handover
- Automate plan, review, and apply with documented recovery procedures
- Document component usage and train the team on provisioning operations
Deliverable:Infrastructure pipeline and documentation
Engagement Models
IaC Assessment and Strategy
Audit existing infrastructure and design the IaC and tooling strategy. All timelines are indicative and confirmed after scoping.
Teams with manual or drifting cloud infrastructure
1 to 2 weeks
Assessment report and IaC roadmap
Infrastructure Build
End-to-end IaC foundation with modules, state, policy, and CI/CD.
Teams building or rebuilding cloud infrastructure as code
4 to 10 weeks
Production IaC with governance and pipelines
Migration and Modernization
Codify existing infrastructure and migrate to a governed IaC model.
Teams moving from manual or legacy infrastructure to IaC
4 to 8 weeks
Codified infrastructure with drift checks and operating procedures
Select Engagement Model
Common Questions About Infrastructure as Code
Infrastructure as code tools define resources through configuration or programming languages. Terraform and OpenTofu use declarative configuration; Pulumi supports general-purpose languages; Crossplane exposes resource APIs through Kubernetes controllers. Ancilar selects tooling around provider coverage, state operations, licensing, and team experience. Multi-cloud workflows still require provider-specific resources and configuration. Developer-facing provisioning connects to Kubernetes platform engineering.
A Terraform to OpenTofu migration moves compatible configuration and state to OpenTofu. Compatibility depends on versions, features, providers, and integrations. Ancilar reviews dependencies, backs up state, tests plans, and defines recovery before production migration. The OpenTofu migration guide describes the required checks.
Configuration drift is a difference between declared configuration and running resources. Ancilar schedules comparison jobs or configures suitable reconciliation controllers, then reviews differences before applying changes. State locking protects concurrent state writes; it does not prevent console edits. Cloud permissions and access policies restrict changes outside the approved workflow.
Infrastructure import associates an existing resource with its IaC configuration and state. Supported resources can often be imported without recreation, but later plans may propose updates or replacement. Ancilar checks provider support, planned changes, and state backups before applying code to existing infrastructure.
IaC credential management controls how provisioning jobs access cloud APIs and protect sensitive state. GitGuardian found that 5.1% of repositories using secrets managers still leaked secrets in 2024. [GitGuardian, 2025] Ancilar separates state access, uses scoped job identities, and scans code and logs. A secrets manager does not replace access controls or credential revocation.
Ready to Build Infrastructure You Can Reproduce?
"Start with a resource inventory, then make each infrastructure change visible, reviewable, and repeatable."
Share your current resource inventory, cloud providers, and provisioning workflow. Ancilar defines a phased IaC implementation covering reusable components, state protection, drift checks, and handover to your operating team.
Build reviewed infrastructure workflows with documented controls and ownership.
Ready for scale?
Build cloud infrastructure your team can review and reproduce.