spikes/terraform

Terraform Spike

Setup Terraform on your machine

brew install terraform

Make sure you have AWS CLI setup.

Hello world example

touch main.tf
atom main.tf

Paste in the following code to create a simple EC2 Instance (replace with correct ami):

resource "aws_instance" "example" {
  ami = "ami-95f8d2f3"
  instance_type = "t2.micro"

  tags {
    Name = "terraform-hello-world"
  }
}

Terraform plan allows you to see what Terraform would do before actually running the file:

terraform plan

If asked, the AWS region used for Decode project is eu-west-1.

To actually run the file:

terraform apply

To pass Terraform a variable via command line

terraform plan -var server_port="8080"

Resources

• (Introduction to Terraform, this is now OReilly book)[https://blog.gruntwork.io/an-introduction-to-terraform-f17df9c6d180]