Note_Tech

All technological notes.

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Terraform - AWS

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• Terraform - AWS
  • Terraform Registry
  • Demo: Spinning up an instance in AWS

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Terraform Registry

• All:
  • https://registry.terraform.io/
• AWS Doc:
  • https://registry.terraform.io/providers/hashicorp/aws/latest/docs

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Demo: Spinning up an instance in AWS

• Create an AWS user and get access key.
• Configure AWS cli locally with this user.

aws configure
# AWS Access Key ID:
# AWS Secret Access Key:
# Default region name [us-east-1]: us-east-1
# Default output format [json]:

• Create instance.tf

provider "aws" {
  region = "us-east-1"
}

resource "aws_instance" "example" {
  ami           = "ami-0ccb559bf2fde32a9"
  instance_type = "t2.micro"
    tags = {
    Name = "HelloWorld"
  }
}

• Lauch

# initializes a working directory containing Terraform configuration files.
terraform init
# command executes the actions proposed in a Terraform plan.
terraform apply

• Update the instance type to t3.micro

• Apply

  • terraform apply
• Destroy infra

# destroy all remote objects managed by a particular Terraform configuration.
terraform destroy

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