Make function name satify AWS constraints and small fixes

headers_function.js

@@ -4,7 +4,7 @@ exports.handler = (event, context, callback) => {
     const response = event.Records[0].cf.response;
     const headers = response.headers;
 
-    // See https://wiki.mozilla.org/Security/Guidelines/Web_Security
+    // See https://wiki.mozilla.org/Security/Guidelines/Web_Security b
     ${hsts ? "headers['Strict-Transport-Security'] = [{'key': 'Strict-Transport-Security', 'value': 'max-age=63072000'}];" : ""}
     ${x-content-type ? "headers['X-Content-Type-Options'] = [{'key': 'X-Content-Type-Options', 'value': 'nosniff'}];" : ""}
     ${x-frame-options ? "headers['X-Frame-Options'] = [{'key': 'X-Frame-Options', 'value': 'DENY'}];" : ""}

lambda.tf

@@ -58,7 +58,7 @@ resource "aws_iam_role_policy_attachment" "headers-function-role-policy" {
 
 resource "aws_lambda_function" "headers" {
   count = "${var.headers["enabled"] ? 1 : 0}"
-  function_name = "${var.alias}-headers"
+  function_name = "${replace(var.alias, ".", "-")}-headers"
   filename = "${data.archive_file.headers-function.output_path}"
   source_code_hash = "${data.archive_file.headers-function.output_base64sha256}"
   role = "${aws_iam_role.headers-function.arn}"
@@ -66,5 +66,5 @@ resource "aws_lambda_function" "headers" {
   handler = "index.handler"
   memory_size = 128
   timeout = 3
-  publish = false
+  publish = true
 }

main.tf

@@ -70,7 +70,7 @@ resource "aws_cloudfront_distribution" "ssl_distribution" {
       cached_methods   = ["GET", "HEAD"]
       target_origin_id = "${var.origin_id}"
       compress         = "${var.compression}"
-      path_pattern     = "/"
+      path_pattern     = "*"
       forwarded_values {
         query_string = false
 
@@ -88,7 +88,7 @@ resource "aws_cloudfront_distribution" "ssl_distribution" {
           event_type = "${var.headers["enabled"] ? "viewer-response" : ""}"
           // this currently does not work in Terraform
           //lambda_arn = "${var.headers["enabled"] ? aws_lambda_function.headers.arn : ""}"
-          lambda_arn = "${aws_lambda_function.headers.arn}"
+          lambda_arn = "${aws_lambda_function.headers.arn}:${aws_lambda_function.headers.version}"
 
         }
   }