terraform {
  required_version = ">= 1.2"

  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.0"
    }

    docker = {
      source  = "kreuzwerker/docker"
      version = "~> 3.0"
    }
  }
}

variable "image_name" {
  type = string
}

variable "dockerfile" {
  type = string
  default = "Dockerfile"
}

provider "docker" {
  registry_auth {
    address  = "public.ecr.aws"
    username = data.aws_ecrpublic_authorization_token.token.user_name
    password = data.aws_ecrpublic_authorization_token.token.password
  }
}

data "aws_ecrpublic_authorization_token" "token" {}

resource "docker_image" "builder" {
  name = var.image_name

  build {
    dockerfile = var.dockerfile
    context    = path.module

    auth_config {
      host_name = "public.ecr.aws"
      auth      = data.aws_ecrpublic_authorization_token.token.authorization_token
    }
  }
}

resource "docker_registry_image" "this" {
  name          = docker_image.builder.name
  keep_remotely = true
}