AWS Serverless Microservices with Patterns and Best Practices - Start Developing Product Lambda Microservice - Install n

This video tutorial guides viewers through setting up AWS SDK for JavaScript in a Node.js environment, focusing on creating microservices with AWS Lambda and DynamoDB. It covers the creation and configuration of package JSON files, installation of necessary AWS SDK packages, and the use of DynamoDB utilities for efficient data operations. The tutorial also provides insights into the codebase structure and infrastructure setup, ensuring a comprehensive understanding of developing Node.js applications with AWS services.

What is the primary purpose of installing NPM packages in the AWS Lambda microservices setup?

• To enable interaction with AWS services

• To enhance the visual appearance of the application

• To improve the speed of the application

• To reduce the size of the application

Which component is responsible for exposing HTTP methods to client applications in the microservices architecture?

• API Gateway

• Lambda Function

• Node.js

• DynamoDB

Which AWS service is used to store data in the microservices architecture discussed?

• Redshift

• DynamoDB

• RDS

• S3

What is the purpose of the API Gateway in the microservices setup?

• To process data

• To expose HTTP methods

• To store data

• To manage user authentication

What is the role of the package.json file in a Node.js application?

• To configure network settings

• To define application dependencies

• To store application logs

• To manage user authentication

What is the first step in setting up a Node.js application for AWS Lambda?

• Creating a database

• Writing the main application logic

• Creating a package.json file

• Setting up a server

Which command is used to install the AWS SDK client for DynamoDB?

• npm start

• npm build

• npm install

• npm update

What is the significance of the node_modules folder in a Node.js application?

• It contains application logs

• It stores installed packages

• It holds configuration files

• It manages user sessions

What is the main advantage of using the util DynamoDB package?

• It provides a graphical user interface

• It simplifies data type handling

• It enhances security features

• It increases the storage capacity

How does the util DynamoDB package assist in data operations?

• By providing a user interface

• By encrypting data

• By automating data type conversion

• By increasing data storage