If you’re choosing an Infrastructure-as-Code tool and tired of marketing comparisons, this guide breaks it down in an engineer-first way—showing when Terraform vs CloudFormation vs Pulumi fits best, based on team skills, scale, governance needs, and day-to-day workflows (with practical decision criteria, not theory).
Most teams don’t fail at IaC because the tool is “bad.” They fail because the tool doesn’t match how the team builds, reviews, secures, and operates infrastructure.
✅ Terraform → best for multi-cloud + strong ecosystem + reusable modules
✅ CloudFormation → best for AWS-native teams that want tight AWS integration + guardrails
✅ Pulumi → best for dev-heavy teams that want IaC in real programming languages + shared app/platform patterns
#Terraform #CloudFormation #Pulumi #IaC #InfrastructureAsCode #DevOps #SRE #PlatformEngineering #AWS #Azure #GCP #Kubernetes
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