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Inflab's IaC Build Story (Part 1)

·2024.02.01 22:00

Key point

This covers the background and process behind Inflab's journey from AWS CDK through Terraform to finally choosing Pulumi as their IaC tool.

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Details

Inflab's DevOps team has been pushing to adopt IaC (Infrastructure as Code) to improve infrastructure management automation and collaboration efficiency. Initially, they used AWS CDK, but switched to Terraform due to difficulties in detecting and resolving Drift caused by the CloudFormation layer.

After adopting Terraform, they faced the limitations of HCL (HashiCorp Configuration Language). The specific problems were as follows.

  • Lack of IDE support: Difficult to get help from development tools such as auto-completion, type hinting, and refactoring
  • Reduced readability: Hard to grasp the purpose of the code when using complex conditional statements
  • Scalability limitations: Difficult to directly implement features that Terraform does not support

To address this, they attempted to introduce Terragrunt and Terratest to eliminate code duplication and automate testing, but limitations still remained, such as the absence of IDE support and difficulties with unit testing.

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