diff --git a/archive.tf b/archive.tf
index e374bff..705a2ee 100644
--- a/archive.tf
+++ b/archive.tf
@@ -19,7 +19,7 @@ resource "null_resource" "archive" {
   }
 
   provisioner "local-exec" {
-    command     = lookup(data.external.archive.result, "build_command")
+    command     = var.silent ? join(" ", lookup(data.external.archive.result, "build_command"), "&>/dev/null") : lookup(data.external.archive.result, "build_command")
     working_dir = path.module
   }
 }
@@ -33,7 +33,7 @@ data "external" "built" {
   program = ["python", "${path.module}/built.py"]
 
   query = {
-    build_command  = lookup(data.external.archive.result, "build_command")
+    build_command  = var.silent ? join(" ", lookup(data.external.archive.result, "build_command"), "&>/dev/null") : lookup(data.external.archive.result, "build_command")
     filename_old   = lookup(null_resource.archive.triggers, "filename")
     filename_new   = lookup(data.external.archive.result, "filename")
     module_relpath = path.module
diff --git a/build.py b/build.py
index afa3392..7a2cfb6 100644
--- a/build.py
+++ b/build.py
@@ -159,6 +159,11 @@ def dequote(value):
                     '--target=.',
                     '--requirement=requirements.txt',
                 )
+    if runtime.startswith('node'):
+        packageJson = os.path.join(temp_dir, 'package.json')
+        if os.path.exists(packageJson):
+            with cd(temp_dir):
+                run('npm','install','--prod',)
 
     # Zip up the temporary directory and write it to the target filename.
     # This will be used by the Lambda function as the source code package.
diff --git a/variables.tf b/variables.tf
index 1b17bd5..4dd224a 100644
--- a/variables.tf
+++ b/variables.tf
@@ -17,6 +17,11 @@ variable "source_path" {
   type        = string
 }
 
+variable "silent" {
+  description = "True if the output from the build should be silent"
+  type        = bool
+}
+
 # Optional variables specific to this module.
 
 variable "build_command" {