What are common anti-patterns for Terraform basics?

Common anti-patterns in Terraform can lead to poor infrastructure management, increased costs, and decreased efficiency. Understanding these anti-patterns is crucial for any DevOps team looking to make the most of their Terraform implementation.

Here are a few common Terraform anti-patterns:

// 1. Using hard-coded values resource "aws_instance" "example" { ami = "ami-123456" instance_type = "t2.micro" } // It's better to refactor this to use variables: variable "ami_id" {} resource "aws_instance" "example" { ami = var.ami_id instance_type = "t2.micro" } // 2. Not using state files effectively // If you don't manage your Terraform state files properly, // it can lead to conflicts and unexpected behavior. // Always use remote state with locking when working in teams. // 3. Overly complex modules // Breaking down modules is key: module "network" { source = "./modules/network" } // Rather than cram everything into one large module.

Terraform anti-patterns infrastructure management DevOps state files variable usage Terraform modules

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