Last updated: April 12, 2026
Ansible vs Terraform — Configuration Management vs IaC in 2026
Quick Answer
Terraform provisions infrastructure (create servers, databases, networks). Ansible configures servers (install packages, manage files, run commands). They are complementary, not competitors. Use Terraform to create infrastructure, then Ansible to configure it.
Ansible vs Terraform — Side by Side
| Feature | Ansible | Terraform |
|---|---|---|
| Purpose | Configuration management + orchestration | Infrastructure provisioning |
| Approach | Procedural — step-by-step tasks | Declarative — describe desired state |
| State | Agentless — no state file | State file tracks all resources |
| Language | YAML playbooks | HCL (HashiCorp Configuration Language) |
| Agent | Agentless — uses SSH/WinRM | Agentless — API calls to providers |
| Idempotency | Module-dependent | Built-in — declarative model |
| Best For | Server config, app deployment, patching | Cloud infrastructure, networking |
Verdict
Use Terraform to provision cloud infrastructure (VPCs, instances, databases). Use Ansible to configure servers (install software, manage config files). Most teams use both together. They solve different problems.
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