Merge pull request #32 from dwhswenson/use-bash-not-sh

Use bash, not sh, for local-exec interpreter

Author: ethanholz

modules/lambda-image-build/main.tf

@@ -106,7 +106,7 @@ resource "null_resource" "build_and_push" {
   }
 
   provisioner "local-exec" {
-    interpreter = ["/bin/sh", "-c"]
+    interpreter = ["/bin/bash", "-c"]
     command     = <<-EOC
       set -euo pipefail
       # Use an ephemeral Docker config to avoid host keychain credential helper conflicts.

modules/lambda-image-public/main.tf

@@ -46,7 +46,7 @@ resource "null_resource" "build_and_push" {
   }
 
   provisioner "local-exec" {
-    interpreter = ["/bin/sh", "-c"]
+    interpreter = ["/bin/bash", "-c"]
     command     = <<-EOC
       set -euo pipefail
       # Use an ephemeral Docker config to avoid host keychain credential helper conflicts.

modules/lambda-image-republish/main.tf

@@ -91,7 +91,7 @@ resource "null_resource" "republish_image" {
   }
 
   provisioner "local-exec" {
-    interpreter = ["/bin/sh", "-c"]
+    interpreter = ["/bin/bash", "-c"]
     command     = <<-EOC
       set -euo pipefail
       # Use an ephemeral Docker config to avoid host keychain credential helper conflicts.