AWS Lambda, The CLI Way (cookbook)

Sriram Narasimhan — Tue, 31 Dec 2019 09:09:59 +0000

nsriram / lambda-the-cli-way

AWS Lambda using CLI, an introductory cookbook

AWS Lambda the CLI Way

The objective of this tutorial is to understand AWS Lambda in-depth, beyond executing functions, using CLI This tutorial walks through setting up AWS CLI, dependencies for AWS Lambda, getting your first Lambda function running many of its important features & finally integrating with other AWS services. AWS CLI (Command Line Interface) will be the primary medium of demonstrating all these examples.

Target Audience

Target audience for this tutorial series are developers comfortable using AWS CLI A little background understanding of serverless will help.

Note : The tutorial will not discuss examples using the AWS website UI (or) with AWS SDK.

Tutorials

Let's…

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Lambda Layers for NodeJS - An Example

Sriram Narasimhan — Wed, 05 Dec 2018 14:46:39 +0000

nsriram / aws-lambda-layer-example

aws lambda layer example

Lambda Layers for NodeJS - An Example

This article outlines the steps involved in building a node js lambda using lambda layers for library dependencies, using AWS CLI.

The example will build a lambda function that will return current time using momentjs library. The lambda will not bundle momentjs via package.json, node_modules, but will use momentjs via lambda layers.

Following are assumed to be available on your computer.

AWS Account
IAM Role to manage and execute lambda functions
AWS CLI version 1.16.69

1 : Create and publish momentjs lambda layer.

What is a lambda layer (Source: AWS Docs) : A layer is a ZIP archive that contains libraries, a custom runtime, or other dependencies. With layers, you can use libraries in your function without needing to include them in your deployment package.

1.1 Create an empty nodejs project.

> cd ~
> mkdir momentjs-lambda-layer
> cd

…

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DEV Community: Sriram Narasimhan

AWS Lambda, The CLI Way (cookbook)

nsriram / lambda-the-cli-way

AWS Lambda using CLI, an introductory cookbook

AWS Lambda the CLI Way

Target Audience

Tutorials

Lambda Layers for NodeJS - An Example

nsriram / aws-lambda-layer-example

aws lambda layer example

Lambda Layers for NodeJS - An Example

1 : Create and publish momentjs lambda layer.

1.1 Create an empty nodejs project.