Building and deploying with API Gateway, Lambda, and DynamoDB

There are three steps involved in deploying a serverless stack:

1. Build Lambda as a ZIP package
2. Package your serverless stack using SAM and CloudFormation
3. Deploy your serverless stack using SAM and CloudFormation

Building the Lambda as a ZIP package

Install ZIP if it is not installed already. For Ubuntu/Debian, you can use sudo apt-get install zip -y. Create a file called create-lambda-package.sh with the following content:

#!/bin/sh
#setup environment variables
. ./common-variables.sh

#Create Lambda package and exclude the tests to reduce package size
(cd ../../lambda_dynamo_read;
mkdir -p ../package/
zip -FSr ../package/"${zip_file}" ${files} -x *tests...