main.tf

# export DIGITAL_TOKEN = <insert token> 
terraform {
  required_providers {
    digitalocean = {
      source  = "digitalocean/digitalocean"
      version = "~> 2.0"
    }
  }
}
variable "do_token" {}

provider "digitalocean" {
  token = var.do_token
}

resource "digitalocean_ssh_key" "web" {
  name       = "web app SHH key"
  public_key = file("${path.module}/files/id_rsa.pub")
}

# Create a new Web Droplet in the nyc2 region
resource "digitalocean_droplet" "web" {
  count      = 2
  image      = "ubuntu-20-04-x64"
  name       = "web-${count.index}"
  region     = "ams3"
  size       = "s-1vcpu-1gb"
  monitoring = true
  #private_networking = false // need to use vpc_uuid instead since private_networking is deprecated
  ssh_keys  = [digitalocean_ssh_key.web.id]
  user_data = file("${path.module}/files/user-data.sh")
}

resource "digitalocean_certificate" "certificate" {
  name    = "web-certificate-snappy"
  type    = "lets_encrypt"
  domains = ["www.kantorobotics.jp", "kantorobotics.jp", "snappy.kantorobotics.jp"]
}

resource "digitalocean_loadbalancer" "web" {
  name   = "web-lb"
  region = "ams3"

  forwarding_rule {
    entry_port     = 443
    entry_protocol = "https"

    target_port     = 8080
    target_protocol = "http"

    certificate_id = digitalocean_certificate.certificate.name
  }

  healthcheck {
    port     = 8080
    protocol = "http"
    path     = "/"
  }

  droplet_ids = digitalocean_droplet.web.*.id
}

# Create a new domain
resource "digitalocean_domain" "domain" {
  name = "kantorobotics.jp"
}

resource "digitalocean_record" "cname" {
  domain = digitalocean_domain.domain.name
  type   = "CNAME"
  name   = "www"
  value  = "relativiteit.github.io."
}

resource "digitalocean_record" "mainSnappy" {
  domain = digitalocean_domain.domain.name
  type   = "A"
  name   = "snappy"
  value  = digitalocean_loadbalancer.web.ip
}

resource "digitalocean_record" "github_pages_1" {
  domain = digitalocean_domain.domain.name
  type   = "A"
  name   = "@"
  value  = "185.199.108.153"
}

resource "digitalocean_record" "github_pages_2" {
  domain = digitalocean_domain.domain.name
  type   = "A"
  name   = "@"
  value  = "185.199.109.153"
}

resource "digitalocean_record" "github_pages_3" {
  domain = digitalocean_domain.domain.name
  type   = "A"
  name   = "@"
  value  = "185.199.110.153"
}

resource "digitalocean_record" "github_pages_4" {
  domain = digitalocean_domain.domain.name
  type   = "A"
  name   = "@"
  value  = "185.199.111.153"
}