Terraform Configuration: Hashicorp Vault dev server on AWS EC2 instance

vault.service

[Unit]
Description=Vault dev server
          
[Service]
Type=simple
ExecStart=/home/ec2-user/vault server -dev -dev-listen-address=0.0.0.0:8200 

vault.tf

resource "aws_instance" "vault" {
  ami           = "ami-466768ac"
  instance_type = "t2.micro"
  key_name = "vault_instance_keypair"

  tags {
    Name = "Vault"
  }

  provisioner "file" {
    
    connection {
      type        = "ssh"
      agent       = false
      user        = "ec2-user"
      private_key = "${file("/path/to/key.pem")}"
      timeout = "10m"
    }
    
    source = "./vault.service"
    destination = "/home/ec2-user/vault.service"
    
  }

  provisioner "remote-exec" {
    
    connection {
      type        = "ssh"
      agent       = false
      user        = "ec2-user"
      private_key = "${file("/path/to/key.pem")}"
      timeout = "10m"
    }
    
    inline = [
      "curl -O https://releases.hashicorp.com/vault/0.10.4/vault_0.10.4_linux_amd64.zip",
      "unzip vault_0.10.4_linux_amd64.zip",
      "sudo mv /home/ec2-user/vault.service /etc/systemd/system/",
      "sudo systemctl start vault.service"
    ]
    
  }

}

output "ip" {
  value = "${aws_instance.vault.public_ip}"
}