AWS Utility Composer – DZone

A few weeks earlier than, in AWS re:invent, Amazon made plenty of revolutionary bulletins, and one of many bulletins was the AWS Utility Composer service, which permits a consumer to pull and drop parts to the Canvas and shortly design and deploy serverless functions.   


Utility Composer service is within the preview section as that is being written. It means that you can drag and drop an inventory of sources to a canvas, make connections between them and supply the required configuration. It means that you can design a workflow on the entrance finish, and within the background, it generates the required code and template utilizing the Serverless Structure Mannequin (SAM). SAM CLI is the device you need to use to shortly deploy this template to the AWS atmosphere.

Serverless Structure Mannequin (SAM) is an open-source framework for creating serverless functions in YAML format. You may consider SAM as a shorthand illustration of CloudFormation template; SAM syntax means that you can outline APIs, databases, features, and different AWS sources in only a few strains with out placing all particulars. 

So, once you create an software composer mission, principally, you’re making a SAM template. Utility Composer means that you can import any current SAM template or a CloudFormation template. 


On this article, to display the Utility Composer service, we’re going to create 2 API gateway endpoints; one to get an inventory of staff and one other to create an worker.

Application Composer

These endpoints will level to 2 completely different AWS Lambda’s CreateEmployee and ListEmployees backed by an worker DynamoDb desk. To comply with together with this video, it is advisable to have your atmosphere setup and have Java11and Gradle put in in your machine. You additionally want your AWS Serverless Utility Mannequin (SAM) CLI put in in your system to construct and deploy the generated template. You may obtain the SAM CLI from here

Proceed with the next video tutorial for step-by-step directions for Utility Composer Service. 




You may obtain the supply code for this video from GitHub


With the introduction of the Utility Composer, Amazon is placing a step ahead to encourage builders to make the most of their infrastructure as a code instruments. This product fully depends and builds on high of CloudFormation, and the AWS staff is attempting to simplify that with SAM Mannequin. Cloud formation additionally offers a designer for producing the template behind the science, however Utility Composer is far more superior than that and taking cloud formation to subsequent stage. Personally, I preferred and loved attempting out this service; please let me know what you consider the product within the feedback.