About the course
Unlock the potential of GraphQL and build faster, more flexible web applications. This hands-on training will guide you through the key concepts of GraphQL, empowering you to overcome the limitations of RESTful APIs.
You'll learn how to design robust schemas, define data relationships, and utilise GraphQL's powerful query language to fetch exactly the data your applications require.
The course covers both the client-side using Apollo with React, and the server-side with Node and Apollo Server, providing you with a practical understanding of how to implement GraphQL in real-world scenarios.
Please let us know if you're using a different framework with JavaScript / TypeScript (or none at all) as this GraphQL workshop is highly configurable for custom deliveries.
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- Articulate the fundamental concepts and advantages of GraphQL over traditional RESTful APIs.
- Design and define robust GraphQL schemas that accurately represent data structures and relationships.
- Construct effective GraphQL queries to retrieve specific data requirements in a single request.
- Implement GraphQL mutations to create, update, and delete data within a GraphQL API.
- Understand and utilise GraphQL subscriptions for real-time data updates.
- Develop efficient resolvers to connect the GraphQL schema to underlying data sources.
- Integrate a GraphQL client (our standard example is an Apollo Client with React) into a front-end application to consume GraphQL APIs.
- Build a basic GraphQL server (using Node.js and Apollo Server as a standard example) to expose data through a GraphQL endpoint.
- Implement effective error handling within GraphQL queries and mutations.
- Understand key considerations for building production-ready GraphQL APIs, including pagination and security.
- Custom deliveries can use alternative JavaScript/TypeScript frameworks (or no framework) based on specific project requirements.
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This intensive GraphQL workshop is ideal for web developers, front-end developers, backend developers, and full-stack developers who are looking to adopt GraphQL for building more efficient and flexible data-driven applications.
It will also benefit API developers and architects interested in exploring modern API design patterns and overcoming the limitations of REST. Anyone seeking a practical understanding of how to build and consume GraphQL APIs will find this course valuable.
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To make the most of this hands-on GraphQL training, delegates should have a solid understanding of web development fundamentals, including concepts like HTTP and APIs. Familiarity with JavaScript (or TypeScript) is highly recommended, as the practical examples will primarily use these languages within the React and Node.js ecosystem.
Basic experience with a front-end framework (e.g. React) and a backend environment (e.g. Node.js) will be advantageous but not strictly required, as the core GraphQL concepts will be explained. If you have specific technology requirements please get in touch for a no-obligation chat to scope out your learning goals.
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This GraphQL course is available for private / custom delivery for your team - as an in-house face-to-face workshop at your location of choice, or as online instructor-led training via MS Teams (or your own preferred platform).
Get in touch to find out how we can deliver tailored training which focuses on your project requirements and learning goals.
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Introduction
How did we get here? The limitations of RESTful APIs
A query language for modern web apps
What is a graph?
How does the GraphQL stack fit together
What is GraphQL?
A query language to get data precisely in one request
Queries: reading data
Mutations: add, edit and change data
Subscriptions: listen out for changing data
The GraphQL Specification (brief overview)
Designing a Schema
Describe the shape of data
Defining relationships within the data
GraphQL Types (including common scalar types and custom types)
Reusable Fragments
Resolvers: connecting schema to database
Working with GraphQL
Error Handling in GraphQL queries and mutations
Pagination and Filtering (brief introduction to common patterns)
A front-end GraphQL client
A review of Javascript and React fundamentals
Adding Apollo-client to a React app
Making Queries with Apollo Client (basic examples)
Executing Mutations with Apollo Client (basic examples)
Introduction to Client-Side Caching with Apollo Client (brief overview)
A GraphQL server
Node and Apollo-server
Connecting to the database (general approaches for SQL and NoSQL)
Security Considerations in GraphQL (brief overview: rate limiting, query complexity)
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graphql.org - The official home of the GraphQL specification and community.
apollographql.com - The official website for Apollo GraphQL, a popular platform and set of tools for building and consuming GraphQL APIs.
nodejs.org - The official website for Node.js, a JavaScript runtime environment commonly used for building GraphQL servers.
react.dev - The official website for React, a popular JavaScript library often used with GraphQL on the front end.
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