terraform-provider-docker/examples/provider/provider-tf12.tf

provider "docker" {
  version = "~> 2.22.0"
  host    = "unix:///var/run/docker.sock"
}

# Pulls the image
resource "docker_image" "ubuntu" {
  name = "ubuntu:latest"
}

# Create a container
resource "docker_container" "foo" {
  image = docker_image.ubuntu.image_id
  name  = "foo"
}