First, make sure that aws-sdk is installed, either by running yarn add aws-sdk or npm i aws-sdk -save. Setting up your Node.js application to work with DynamoDB is fairly easy. I wrote a tutorial on how to use new SDK V3, especially in the DynamoDB context Table of Contents If you're looking for similar cheat sheet but for Python, you can find it here, for Java, for Golang / Go here, and for Rust.īonus: AWS recently announced Node.js AWS SDK v3. This cheat sheet will mostly focus on DocumentClient but some of the operations like creating tables must be run using classical DynamoDB service. which simplifies working with DynamoDB items by abstracting away DynamoDB Types and converting responses to native JS. Class AWS.DynamoDB from AWS SDK for JavaScript/Typescript.Our solution will consist of a telegram chat group, a serverless function, and a database running. By the end of this article, you will have a telegram bot up and running on AWS that does complex bill calculations simply based on telegram messages. There are two basic ways to interact with DynamoDB tables from Node.js applications: Keeping Track of Group Expenses with Telegram Bot, AWS and Node.js. This cheat sheet should help you understand how to perform a variety of operations starting from simple queries ending with complex transactions using AWS DynamoDB DocumentClient and Node.js.
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