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DevelopmentWeb DevelopmentGraphQL

GraphQL by Example

Learn GraphQL by writing full-stack JavaScript applications with Node.js, Express, Apollo Server, React, Apollo Client.
Rating: 4.6 out of 54.6 (2,481 ratings)
13,892 students
Created by Mirko Nasato
Last updated 5/2022
English
English, Polish [Auto], 

What you'll learn

  • Build a GraphQL server based on NodeJS, Express and Apollo Server
  • Invoke GraphQL APIs from JavaScript client applications using regular HTTP requests or Apollo Client
  • Handle Authentication/Authorization, Caching, and more

Requirements

  • Good knowledge of modern JavaScript, including ES6+ and NodeJS
  • Some knowledge of Express and React preferable but not strictly required

Description

More and more teams are choosing GraphQL instead of (or along with) REST for their web APIs. GraphQL queries give clients great flexibility in the way they request data from the server, preventing issues such overfetching or underfetching of data, and allowing multiple resources to be retrieved in a single request.

In this course you'll learn how to use GraphQL both on the server side and in client applications through practical examples in the form of full-stack JavaScript applications. You will be introduced to all the main GraphQL concepts like schema definition, Queries, Mutations, and Subscriptions, as well as to solution to common requirements such as handling authentication/authorization and client-side caching.

The examples use Apollo Server with Node.js and Express on the backend and React on the frontend, with GraphQL-Request first, then Apollo Client as GraphQL clients. GraphQL-WS is used for subscriptions.

The aim however is not just to cover specific GraphQL libraries, but to give you a more general understanding of the underlying concepts. For instance, GraphQL client libraries are introduced only after learning how to write a simple client "by hand", to make sure you understand the GraphQL over HTTP format.

This course assumes good knowledge of modern JavaScript, and ideally some familiarity with Node.js/Express and React.

Who this course is for:

  • JavaScript developers looking to learn GraphQL

Featured review

Kot El
Kot E.
41 courses
11 reviews
Rating: 5.0 out of 52 years ago
Very very good course. Mirko is a good teacher and I look forward to more courses from him. This course gets tougher in the middle when Mirko gets to advanced things though; I think that it might be a good idea to add 1-2 hours of videos to make it less dense.

Instructor

Mirko Nasato
Software Developer and Mentor
Mirko Nasato
  • 4.6 Instructor Rating
  • 3,399 Reviews
  • 28,112 Students
  • 3 Courses

Mirko has 20 years of experience developing software for a wide range of companies, from startups to large, high-profile organisations, more recently as Lead Developer and Architect.

He is familiar with a number of programming languages and the full application stack, from backend services to web and mobile apps. Mirko also holds a Postgraduate Diploma in Software Development from the Open University.

He is always keen to learn new technologies and enjoys teaching on Udemy because it gives him the opportunity to share his experience with thousands of other developers.

He runs his consultancy company, Encoded Knowledge Ltd, based in London, U.K.

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