Creating a profile, an S3 bucket, IAM policies, and IAM roles resources

We will first set up an S3 bucket that will hold the source code for the Lambda deployment package. IAM policies and roles allow API Gateway to invoke Lambda, and Lambda to access DynamoDB. We set them up using the AWS Management Console; here, we will use the AWS CLI and SAM.

The code, shell scripts, and configuration files used in this chapter are available under the ./serverless-microservice-data-api/ folder.

Creating an AWS credentials profile

Follow these steps to create an AWS credentials profile:

1. Create an AWS profile called demo:

$ aws configure --profile demo

2. Re-enter the same AWS aws_access_key_id and aws_secret_access_key details as in Chapter...