Both Terraform and CloudFormation are “infrastructure-as-code” tools - you declare what you want your infrastructure to look like, and let the tool “apply” it by creating, deleting, or modifying cloud resources for you. It’s a cornerstone of DevOps, designed to boost the agility, productivity and quality of work within organizations. Terraform uses HCL (HashiCorp Configuration Language), developed to strike a balance between being human readable as well as machine-friendly. AWS services spawn like rabbits. CloudFormation supports nested stacks, but in general, you have to keep all your infrastructure code in a gigantic file (or several) in one project repository, whereas with Terraform you can slice and dice however you want. Your email address will not be published. Now that we’ve defined these two IaC platforms, let’s review some of the key differences in more depth. One of the main reasons is that almost every aspect can be automated. CloudFormation does have the capability to use Dynamic References to retrieve parameters at runtime from AWS Systems Manager parameter store, if one has been configured properly. Terraform has a rich set of string interpolations and built-in functions, including conditionals and (to be natively supported soon) loops, which allow modeling quite complex logic in DSL without having to resort to a fully-fledged programming language (although this can be done transparently with external data sources). Take immediate action to lower AWS cost today with the Mission Instant Discount Program (IDP). AWS CloudFormation is an AWS managed service that is designed specifically to integrate with AWS services. This lets a Terraform configuration make use of information defined outside of Terraform (such as an Elastic IP address), to update or provision infrastructure. CloudFormation is specific to AWS cloud resources, while Terraform supports all cloud vendors. AWS CloudFormation - Create and manage a collection of related AWS resources. If you need to pass Parameters, you can do it as you would normally do, state the vars in the resource where you create the stack and should be good to go too! Terraform - Describe your complete … Enterprise Support: Terraform vs. CloudFormation Both Terraform and CloudFormation provide support services for the enterprises. Modules can be stored on GitHub or public Terraform Module Registry and be easily versioned and shared across multiple projects. Something went wrong while submitting the form. And the winner for Cloudformation vs Terraform is… Terraform is at version 0.13 and ready for production workloads. A cloud-agnostic tool, Terraform codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned. AWS provisioning with CloudFormation. In Terraform, you can (and should) run a ‘plan’ step before applying any changes. However, from all the mentioned tools, CloudFormation is the only non-open-source one. Parameters. So if your environment consists of multi-cloud deployments (e.g., Microsoft AWS or Google Cloud), CloudFormation is not for you. Published 12 days ago So you can think of CloudFormation as the AWS specific alternative to Terraform. CloudFormation supports Change Sets, which are considerably less human-friendly and hard to make sense of. Your email address will not be published. Language Supports multiple programming languages Typescript, Javascript, Python, Java, and C# All new AWS functionality must have REST API and SDK support for the main languages when it is released. The parameters must be of a type supported by CloudFormation and they have to be provided at the stack’s runtime. First, deploy a new CloudFormation stack to create a new VPC and a security group with no ingress rules: Parameters make it possible to re-use the same template in various environments. Thank you! 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