resource "aws_lambda_function" "foo" {
  count                          = "2"
  function_name                  = "foo-${title(var.environment)}"
  handler                        = "main"
  description                    = "a foo test"
  role                           = "arn:aws:iam::12345:role/foo-role"  #Change me!
  runtime                        = "go1.x"
  timeout                        = "300"
  reserved_concurrent_executions = "100"

  tags {
    environment  = "${title(var.environment)}"                 #fine
    # name        = "${aws_lambda_function.foo.function_name}" #Doesnt work, inits, but self reference not allowed..
    # name        = "${self.function_name}"                    #will not init, because cannot contain self reference of course
    name          = "foo-${title(var.environment)}"            #does work
    Environment   = "${var.environment_tag}"                   #works fine with variables
  }
}