Processes locked on newly created droplet (terraform)

Hey guys im using terraform to create some resources in my script i have setup a couple scripts to auto run once the droplets been created but it seems when i try to do any that are apt related i get the error saying its locked out

Error Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1348 (apt-get)

Terraform Script

resource "digitalocean_droplet" "Test-Server" {
  image = "docker-20-04"
  name = "Test-Server"
  region = "ams3"
  size = "s-1vcpu-2gb"
  ssh_keys = [
    data.digitalocean_ssh_key.terraform.id
  ]

  connection {
    host = self.ipv4_address
    user = "root"
    type = "ssh"
    private_key = file(var.pvt_key)
    timeout = "2m"
  }

  provisioner "remote-exec" {
    inline = [
      "sudo ufw allow 25565",
      "sudo apt-get install -y s3cmd s3fs curl",
      "do more...."
    ]
  }
}

I am using the docker image ISO on the droplet

any thoughts on how to fix this?

thanks!