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Technology · head to head

Kubernetes vs Terragrunt

Kubernetes logo

Kubernetes

Technology

Production-grade container orchestration

From
Free
Rated
-
Full reviewWebsite
Terragrunt logo

Terragrunt

Cloud

The Open Source IaC Orchestrator Platform Teams Trust

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Kubernetes complex initial setup and configuration with multiple interdependent components; Terragrunt additional complexity layer on top of Terraform
  • They diverge on capability: Kubernetes covers Container orchestration, Terragrunt covers Infrastructure orchestration.

Where they differ

Only the attributes on which Kubernetes and Terragrunt actually diverge.

Attributes where Kubernetes and Terragrunt differ
AttributeKubernetesTerragrunt
PlatformsLinux, Cloud (AWS, GCP, Azure)AWS, Azure, GCP
CategoryTechnologyCloud
Founded2014Unknown

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Kubernetes

  • Container orchestration
  • Automatic scaling
  • Self-healing
  • Service discovery
  • Load balancing
  • Storage orchestration
  • Automated rollouts
  • Secret management

Only in Terragrunt

  • Infrastructure orchestration
  • Run Queue
  • DRY configuration
  • Automated hooks
  • Infrastructure catalog
  • Least-privilege access

What people use each for

The jobs each tool is most often brought in to do.

Kubernetes

  • Microservices deploymentnot Terragrunt
  • Cloud-native applicationsnot Terragrunt
  • CI/CD pipelinesnot Terragrunt
  • Multi-cloud deploymentsnot Terragrunt
  • Edge computingnot Terragrunt

Terragrunt

  • Organizing Terraform code across multiple environmentsnot Kubernetes
  • Automating infrastructure deployment workflowsnot Kubernetes
  • Implementing infrastructure as code templates for developer self-servicenot Kubernetes

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Kubernetes

  • Complex initial setup and configuration with multiple interdependent components
  • Significant resource requirements for both hardware infrastructure and specialized human expertise
  • Expensive specialized talent in Kubernetes domain; hiring costs prohibitive for many organizations
  • New security challenges around container isolation and network security requiring robust measures
  • Requires continuous maintenance and updates to stay current with releases and security patches

Terragrunt

  • Additional complexity layer on top of Terraform
  • Requires understanding of Terraform concepts
  • Paid tier pricing not clearly published

Pricing, plan by plan

Kubernetes

Free

No published plan breakdown. See the Kubernetes review.

Terragrunt

Free
  • Open SourceFree
    • Terragrunt CLI - completely free
    • Community support
  • Terragrunt Scale FreeFree
    • Free CI/CD pipeline
    • Unlimited runs and resources
    • For up to 25 infrastructure units
  • Terragrunt Scale Paid$undefined/custom
    • Volume pricing for more than 25 infrastructure units
    • Enterprise support

Which should you pick?

Choose Kubernetes if

  • You need container orchestration.
  • You want to start without paying.
  • You work on Linux, Cloud (AWS, GCP, Azure).
  • You also want automatic scaling.
Kubernetes review

Choose Terragrunt if

  • You need infrastructure orchestration.
  • You want to start without paying.
  • You work on AWS, Azure, GCP.
  • You also want run queue.
Terragrunt review

Questions people ask

Is Kubernetes or Terragrunt better?
Neither clearly leads. Kubernetes starts at Free and Terragrunt at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kubernetes or Terragrunt?
Kubernetes starts at Free and Terragrunt at Free.
Does Kubernetes or Terragrunt run on more platforms?
Kubernetes runs on Linux, Cloud (AWS, GCP, Azure). Terragrunt runs on AWS, Azure, GCP.
Can I use Kubernetes for free?
Both have a free tier, so you can try either at no cost before committing.
What is Kubernetes best used for?
Kubernetes is most often used for microservices deployment, cloud-native applications, ci/cd pipelines, multi-cloud deployments. Of those, microservices deployment and cloud-native applications are not what Terragrunt is typically brought in for.
What can Kubernetes do that Terragrunt cannot?
Kubernetes covers Container orchestration, Automatic scaling, Self-healing, Service discovery. Terragrunt covers Infrastructure orchestration, Run Queue, DRY configuration, Automated hooks.

Answered from the vendors’ own pages

Kubernetes: What is Kubernetes used for?

Kubernetes is a container orchestration platform that automates deployment, scaling, and management of containerized applications across clusters of machines.

Source
Terragrunt: Is Terragrunt free?

Yes, the Terragrunt CLI is completely free and open source. Terragrunt Scale offers a free tier for up to 25 infrastructure units.

Source
Kubernetes: Is Kubernetes free?

Yes, Kubernetes is free, open-source software maintained by the Cloud Native Computing Foundation. However, running Kubernetes clusters requires infrastructure investment.

Source
Terragrunt: What is the difference between Terragrunt and Terraform?

Terragrunt is an orchestration layer on top of Terraform that handles state management, DRY principles, and deployment automation without replacing Terraform itself.

Source
Kubernetes: How hard is it to learn Kubernetes?

Kubernetes has a steep learning curve. It requires deep knowledge of containerization, networking, and distributed systems. Teams without prior container experience should expect significant training time.

Source
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