Terraform ECR authentication

main.tf

resource "aws_ecr_repository" "repo" {
  name = "foo"
}

data "aws_ecr_authorization_token" "repo" {}


#
# providers.tf
#
terraform {
  required_providers {
    docker = {
      source  = "kreuzwerker/docker"
      version = "3.0.1"
    }
  }
}

# https://registry.terraform.io/providers/kreuzwerker/docker/latest/docs
provider "docker" {
  registry_auth {
    address  = split("/", aws_ecr_repository.repo.repository_url)[0]
    username = data.aws_ecr_authorization_token.repo.user_name
    password = data.aws_ecr_authorization_token.repo.password
  }
}