From 1cd486ec8bf73c257728ca4b58d4389f28f2e7db Mon Sep 17 00:00:00 2001
From: Sumit Sarkar <ssarkar@cimpress.com>
Date: Wed, 24 Jul 2019 13:01:04 +0530
Subject: [PATCH] FIX: https://github.com/hashicorp/terraform/issues/12570

---
 main.tf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.tf b/main.tf
index 895bc09..678dc7f 100644
--- a/main.tf
+++ b/main.tf
@@ -87,7 +87,7 @@ JSON
 }
 
 data "template_file" "_environment_var" {
-  count = length(keys(var.environment_vars))
+  count = length(keys(var.environment_vars)) > 0 ? length(keys(var.environment_vars)) : 0
   template = <<JSON
 {
 $${join(",\n",