Added ignore_changes of filename

Author: antonbabenko

.gitignore

@@ -0,0 +1 @@
+files

README.md

@@ -25,7 +25,7 @@ resource "aws_autoscaling_group" "ecs" {
 }
 
 module "ecs_instance_draining_on_scale_in" {
-  source = "github.com/terraform-community-modules/ecs-instance-draining-on-scale-in"
+  source = "github.com/terraform-community-modules/tf_aws_ecs_instance_draining_on_scale_in"
 
   autoscaling_group_name = "${aws_autoscaling_group.ecs.asg_name}"
   hook_heartbeat_timeout = 1800

main.tf

@@ -117,6 +117,12 @@ resource "aws_lambda_function" "lambda" {
   handler       = "index.lambda_handler"
 
   source_code_hash = "${data.archive_file.index.output_base64sha256}"
+
+  lifecycle {
+    # A workaround when running this code on different machines is to ignore changes, as described here:
+    # https://github.com/hashicorp/terraform/issues/7613#issuecomment-241603087
+    ignore_changes = ["filename"]
+  }
 }
 
 resource "aws_lambda_permission" "sns" {