• lambda-code : contains the source code for the six lambda functions, with each sub-directory containing the function itself, a unit-test file, a Makefile containing build instructions and a requirements.txt containing the libraries to be pip installed
• template.yaml : contains the SAM template to build and launch the six lambda functions as well an an IAM role
• buildspec.yaml : contains instructions for AWS CodeBuild to build the functions. This is required to create a pipeline

1. Clone and navigate to the repository
2. Build the functions:

   sam build --use-container
   

   This pulls in the required packages and native libraries and creates the deployment packages in .aws-sam/build. It also runs the unit tests. Note the --use-container argument is necessary because the native libraries must be pulled in using a docker image resembling the runtime environment of AWS Lambda

3. Deploy the stack:

   sam deploy --guided --template-file .aws-sam/build/template.yaml --capabilities CAPABILITY_NAMED_IAM
   

   The CAPABILITY_NAMED_IAM capability is needed to deploy any SAM stack or CloudFormation stack that creates IAM roles

(Clicking the "deploy" button on the Serverless Application Repository is equivalent to cloning and running the commands above)