Adding digital ocean droplet with ssh enable using terraform

main.tf

# use the existing the ssh-key, these are added to digital ocean console
# check the security section, use the same name added there
data "digitalocean_ssh_key" "default" {
  name = "<change-it>"
}

#Generate it from digitalocean console, make sure to pass it safely
provider "digitalocean" {
    token = "<change-it>"
}

# Create a new Web Droplet in the nyc2 region
resource "digitalocean_droplet" "web" {
  image  = "ubuntu-18-04-x64"
  name   = "schoolweb"
  region = "nyc1"
  size   = "s-1vcpu-1gb"
  ssh_keys = ["${data.digitalocean_ssh_key.default.fingerprint}"] #this will allow the user to ssh.
}

#let get the public-ip of the droplet
output "controller_ip_address" {
    value = digitalocean_droplet.web.ipv4_address
}