Pulumi vs Terraform: What are the differences?
What is Pulumi? Open-source cloud development platform. Pulumi is a cloud development platform that makes creating cloud programs easy and productive. Skip the YAML and just write code. Pulumi is multi-language, multi-cloud and fully extensible in both its engine and ecosystem of packages.
What is Terraform? Describe your complete infrastructure as code and build resources across providers. With Terraform, you describe your complete infrastructure as code, even as it spans multiple service providers. Your servers may come from AWS, your DNS may come from CloudFlare, and your database may come from Heroku. Terraform will build all these resources across all these providers in parallel.
Pulumi and Terraform belong to "Infrastructure Build Tools" category of the tech stack.
Some of the features offered by Pulumi are:
- Containers - Deploy a Docker container to production in 5 minutes using your favorite orchestrator.
- Serverless - Stand up a serverless API or event handler in 5 minutes using a real lambda in code.
- Infrastructure - Manage cloud infrastructure or hosted services using infrastructure as code.
On the other hand, Terraform provides the following key features:
- Infrastructure as Code: Infrastructure is described using a high-level configuration syntax. This allows a blueprint of your datacenter to be versioned and treated as you would any other code. Additionally, infrastructure can be shared and re-used.
- Execution Plans: Terraform has a "planning" step where it generates an execution plan. The execution plan shows what Terraform will do when you call apply. This lets you avoid any surprises when Terraform manipulates infrastructure.
- Resource Graph: Terraform builds a graph of all your resources, and parallelizes the creation and modification of any non-dependent resources. Because of this, Terraform builds infrastructure as efficiently as possible, and operators get insight into dependencies in their infrastructure.
Pulumi and Terraform are both open source tools. Terraform with 17.4K GitHub stars and 4.77K forks on GitHub appears to be more popular than Pulumi with 2.94K GitHub stars and 129 GitHub forks.
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