use layers

Author: mwunderl

sample-apps/blank/2-build-layer.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -eo pipefail
+mkdir -p lib/nodejs
+rm -rf lib/nodejs/node_modules
+npm install
+mv node_modules lib/nodejs/

sample-apps/blank/2-deploy.sh renamed to sample-apps/blank/3-deploy.sh

@@ -1,8 +1,5 @@
 #!/bin/bash
 set -eo pipefail
 ARTIFACT_BUCKET=$(cat bucket-name.txt)
-cd function 
-npm install --production
-cd ../
 aws cloudformation package --template-file template.yml --s3-bucket $ARTIFACT_BUCKET --output-template-file out.yml
 aws cloudformation deploy --template-file out.yml --stack-name blank --capabilities CAPABILITY_NAMED_IAM

sample-apps/blank/3-invoke.sh renamed to sample-apps/blank/4-invoke.sh

@@ -5,6 +5,9 @@
   "devDependencies": {
     "aws-sdk": "2.585.0"
   },
+  "dependencies": {
+    "aws-xray-sdk-core": "1.1.2"
+  },
   "scripts": {
     "start": "node app.js"
   }

sample-apps/blank/4-cleanup.sh renamed to sample-apps/blank/5-cleanup.sh

@@ -16,3 +16,13 @@ Resources:
         - AWSLambdaReadOnlyAccess
         - AWSXrayWriteOnlyAccess
       Tracing: Active
+      Layers:
+        - !Ref libs
+  libs:
+    Type: AWS::Serverless::LayerVersion
+    Properties:
+      LayerName: blank-lib
+      Description: Dependencies for the blank sample app.
+      ContentUri: lib/.
+      CompatibleRuntimes:
+        - nodejs12.x