Terraform configuration for ECR repository, Docker build/push, and containerized Lambda function deployment

terraform_container_deployment.tf

# ECR Repository for container images
resource "aws_ecr_repository" "worker_container" {
  name                 = "${var.bot_name}-worker"
  image_tag_mutability = "MUTABLE"
  image_scanning_configuration {
    scan_on_push = true
  }
  lifecycle_policy {}
}

# Build and push Docker image using null_resource
resource "null_resource" "docker_build_push" {
  triggers = {
    # Rebuild when any source file changes
    source_hash = data.archive_file.lambda_source.output_md5
  }
  provisioner "local-exec" {
    command = <<-EOF
      # Login to ECR
      aws ecr get-login-password --region ${data.aws_region.current.name} | docker login --username AWS --password-stdin ${aws_ecr_repository.worker_container.repository_url}
      # Build image for ARM64
      docker build --platform linux/arm64 -t ${aws_ecr_repository.worker_container.repository_url}:latest .
      # Push image
      docker push ${aws_ecr_repository.worker_container.repository_url}:latest
    EOF
    working_dir = "${path.module}"
  }
  depends_on = [aws_ecr_repository.worker_container]
}

# Worker Lambda function using container image
resource "aws_lambda_function" "worker" {
  function_name = "${var.bot_name}-Worker"
  role          = aws_iam_role.lambda_execution_role.arn
  
  # Container configuration
  package_type = "Image"
  image_uri    = "${aws_ecr_repository.worker_container.repository_url}:latest"
  ...