In this example, the instance_count variable is defined with a type of number, and it is given a default value of 1. The AWS provider is then configured to use the us-west-2 region.

The aws_instance resource is used to launch Amazon EC2 instances. The count argument is set to the value of the instance_count variable, which means that Terraform will launch instance_count number of EC2 instances.

You can change the value of instance_count by modifying the default value in the variable definition, or you can specify a different value when you run Terraform by using the -var flag. For example, if you want to launch 3 instances, you can run the following command:

$ terraform apply -var ‘instance_count=3’

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Rajesh Kumar

I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I am working at Cotocus. I blog tech insights at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at I reviewed , and SEO strategies at Wizbrand. 

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