variables {
  version = "latest"
  domain  = "homelab.local"
  count   = 1
}

job "nodejs-app" {
  datacenters = ["*"]
  type        = "service"

  update {
    max_parallel     = 1
    min_healthy_time = "10s"
    healthy_deadline = "3m"
    auto_revert      = true
  }

  group "nodejs-app" {
    count = var.count

    network {
      port "http" { to = 3000 }
    }

    task "nodejs-app" {
      driver = "docker"

      config {
        image = "registry.${var.domain}/kurt/nodejs-app:${var.version}"
        ports = ["http"]
      }

      env {
        NODE_ENV    = "production"
        APP_VERSION = var.version
        PORT        = "3000"
      }

      resources {
        cpu    = 256
        memory = 256
      }
    }

    service {
      name     = "nodejs-app"
      port     = "http"
      provider = "nomad"

      tags = [
        "traefik.enable=true",
        "traefik.http.routers.nodejs-app.rule=Host(`nodejs-app.${var.domain}`)",
        "traefik.http.routers.nodejs-app.tls=true",
        "traefik.http.routers.nodejs-app.tls.certresolver=letsencrypt",
      ]

      check {
        type     = "http"
        path     = "/health"
        interval = "10s"
        timeout  = "2s"
      }
    }
  }
}