Terraform Guides and Tutorials

Terraform Jsonencode Function – Definition & Examples

Learn what does Terraform jsonencode function does and how it differs from heredoc string. See examples for variables, templatefile, and policies.

Terraform12 min read

Terraform State Rm: How to Remove a Resource From State File

Learn how to use the terraform state rm command to remove single and multiple resources from the Terraform state file. See use case examples.

Terraform9 min read

How to Use Optional Arguments in Terraform Variables

Learn how optional arguments work in Terraform and how to make a variable optional in Terraform with parameters.

Terraform27 min read

Terraform Resources Overview – Examples & Best Practices

Resources are an integral part of Terraform. Take a look at what they are, resource behavior, types, dependencies, and meta-arguments.

Ansible9 min read

Using Terraform & Ansible Together

In this tutorial, you'll learn how to use Terraform and Ansible together. See how Spacelift can greatly simplify and elevate your workflow for both tools.

Terraform11 min read

How to Use Terraform Conditional Expressions

What is a Terraform conditional? See how to use these operators to create resources, deploy modules, and other usage examples.

Terraform8 min read

How to Use Terraform Flatten Function [Examples]

Learn what Terraform flatten function is and how to use it. See examples with a list of lists and others.

Terraform18 min read

How to Create API Gateway Using Terraform & AWS Lambda

Learn how to deploy serverless applications with AWS Lambda and API Gateway using Terraform. Cognito Authorizer, custom domain and enabling CORS.

Terraform15 min read

What is Terrascan? Features, Use Cases & Custom Policies

See what Terrascan is, its features, and how to use it to scan your IaC code with use case examples. Terrascan vs Checkov vs tfsec.

Terraform11 min read

How to Deploy AWS Auto Scaling Group with Terraform

Learn what Autoscaling Groups are and how to manage and deploy AWS Auto Scaling Group with Terraform. See example.

Terraform16 min read

How to Create an AWS RDS Instance Using Terraform

Learn how to create and manage AWS RDS instances with Terraform. See examples including configuring monitoring, performance insights, and encription.

Terraform7 min read

How to Use Terraform Merge Function – Examples

See how to use Terraform merge function with maps, lists of objects, lists of maps and tags. Take a look at the examples.

Terraform20 min read

What is Terratest and How to Use it

Learn what Terratest is, how it works, and how to use it to write tests. See examples in the development workflow.

Terraform14 min read

Terraform Map Variable – What It is & How to Use

What is a map variable in Terraform? See examples. The difference between map(string) and map(object).

Terraform17 min read

How to Use Terraform For_Each Meta-Argument [Examples]

In this tutorial you'll learn what is Terraform for_each meta-argument and how to use it. See example with map, set, list, modules and data sources.

Terraform18 min read

Crossplane vs Terraform – IaC Tools Comparison

See the comparison of Terraform and Crossplane. Find out what is the difference between them and the advantages of using one over the other.

Terraform22 min read

Terragrunt Tutorial – Getting Started & Examples

What is Terragrunt, how does it work, and what are its features? Learn how to install and set up the configuration. See use cases and examples.

Terraform5 min read

How to Create & Use Gitignore File With Terraform

Learn what gitignore is, how to use it with Terraform, and which Terraform files you can include in .gitignore. See example.

Terraform Count Meta-Argument – How to Use It & Examples

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