GraphQL


How to Build a GraphQL API with TypeGraphQL and TypeORM

This article was originally written for LogRocket.

GraphQL’s popularity is constantly growing, and it’s no mystery as to why: it’s a great tool that solves many common problems developers encounter with RESTful APIs. GraphQL allows us to easily fetch data relations, but it also prevents us from overfetching that data. Put simply, GraphQL improves the development experience and makes frontend apps faster.

Despite its many advantages, however, building a GraphQL API can occasionally present challenges. How can we minimize the headaches we encounter in our projects?

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How to Use GraphQL DataLoader

GraphQL offers a very convenient way to handle database relations. But with this simplicity comes with an issue that actually easy to fix, but sometimes people forget about it. And that issue is known as the “N+1” problem. In this tutorial, we will learn on how to fix this problem using DataLoader.

Getting Started

The only thing we need to get started with this project is a blank folder with npm package initialized. So, lets create one!

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Build Secure GraphQL API and Deploy to AWS

Building a secure APIs is the main job as a backend developer. But how does it works when using GraphQL? And how to deploy it to AWS Lambda? Well, there are several approaches that we will dive into in this course. Will will learn how to build a simple API with GraphQL. Then, we will implement Authorization to our API, and deploy it to AWS Lambda with Serverless Platform.

Prerequisites

  • A bit knowledge of Javascript & NodeJS
  • Serverless CLI Installed on your machine
  • An AWS account

Getting started

I have prepared the boilerplate of this project. You can clone it, or you can follow along this tutorial step by step if you want.

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