[egghead.io] Develop a Serverless Backend using Node.js on AWS Lambda

Aug 21 2018 8 ep. 1 mins 32
[egghead.io] Develop a Serverless Backend using Node.js on AWS Lambda Podcast artwork

The core of serverless architectures are auto-scaling systems and a pay-per-execution pricing. Two traits that allows developers to significantly reduce operational cost and complexity, by outsourcing infrastructure management to cloud providers and focus on building business logic. In this course we walk through the basics on how to create a serverless API. We start off creating a simple HTTP endpoint. Then we build the first two endpoints of a REST API for a simple Todo Application backend storing the data in DynamoDB. After watching this course you will be ready to get started building you first serverless backend.

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Course Overview: Develop a Serverless Backend using Node.js on AWS Lambda

Aug 21 2018 1 mins  
This introduction provides some insights what serverless is about and walks you through an overview of the course's content.

Create a User and setup the AWS CLI to interact with AWS

Aug 21 2018 1 mins  
In order to configure any AWS service we first need to create a user that has enough permissions. Using the AWS CLI we can configure our local environment to interact with AWS APIs.

Setup the Serverless Framework

Aug 21 2018
To get started we install the Serverless Framework and show you some useful hints on how to get started with your first project.

Deploy a Node.js function to AWS Lambda using the Serverless Framework

Aug 21 2018 3 mins  
In this lesson we walk through the necessary configuration of a Lambda function, add a simple code snippet and then deploy the function to AWS Lambda. We test it using the invoke command coming with the CLI tool.

Attach a HTTP endpoint to an AWS Lambda function using the Serverless Framework

Aug 21 2018 1 mins  
Out of the box a AWS Lambda function is just an ephemeral container running our code. In order to invoke it and return a result we need to configure the AWS service API Gateway and connect it to our function.

Deploy a DynamoDB table to AWS using the Serverless Framework

Aug 21 2018 1 mins  
The Serverless Framework uses CloudFormation to deploy our functions. Using the resources section we can deploy and configure a wide range of AWS services using raw CloudFormation definitions. In this session we demonstrate this by adding a DynamoDB table to our application. Your table can be seen [here](https://console.aws.amazon.com/dynamodb/home?region=us-east-1#tables:).

Deploy an AWS Lambda function to store data in DynamoDB using the Serverless Framework

Aug 21 2018 3 mins  
In order to store data into a DynamoDB table we first need to setup the permissions for the Lambda function to have write access. Further we can use the DocumentClient API shipping with AWS to write the data coming from a request to the DynamoDB table.

Deploy an AWS Lambda to retrieve a record from DynamoDB with the Serverless Framework

Aug 21 2018 2 mins  
To retrieve a previously created item from a DynamoDB table we have to setup the IAM permissions for the Lambda to get an item and further implement the code using the DynamoDB DocumentClient API.