Craft GraphQL APIs in Elixir with Absinthe

Takeaway Skills

What is GraphQL?

How to publish GraphQL API?

How to use API building in GraphQL?

What is GraphQL?

How to publish GraphQL API?

How to use API building in GraphQL?

Course Overview

GraphQL is an API query language that allows clients to ask for exactly what they need and nothing more makes it easier to evolve APIs over time. This course is divided into three parts, Part 1- Build a GraphQL API, Part 2- Publish Your API, and Part-3 Use Your API. In the first par... See More

How You'll Learn

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Course Contents

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1. Getting Started

Course Structure

2. Meet GraphQL

Introduction to GraphQL

GraphQL on Client

Server-side GraphQL

GraphQL Queries and Schemas

Absinthe and the Tech Stack

Quiz Yourself on Meet GraphQL

3. Building Schema of GraphQL

Preparing the Application

GraphQL schema

Adding Fields in GraphQL Schema

Making a Query

Running GraphiQL

Testing GraphiQL Query

Quiz Yourself on GraphQL Schema

4. Taking User Input

Field Arguments

Passing Argument Values using document literals

Passing Argument Values Using Variables

Enumeration Types

Input Objects

Non-null Constraints

Creating Your Own Scalar Types

Quiz Yourself on Taking User Input

5. Adding Flexibility

Schema Organization

Importing Fields Macro

Abstract Types

Abstract Type Union

Abstract Type Interfaces

Named Fragments in GraphQL

Quiz Yourself on Adding Flexibility

6. Making a Change with Mutations

Root Mutation Type

Resolver Function

Mutation Testing

Field Aliases

Error Handling in Mutation

Tuples

Return Errors

Quiz Yourself on Making a Change with Mutations

7. Going Live with Subscriptions

Subscriptions Setting

Event Modeling

Ordering API

Submit the Subscriptions

Test the Subscriptions

Subscriptions Triggers

Quiz Yourself on Going Live with Subscriptions

8. Resolution Middleware

Middleware

Implementing Middleware

Implement Callback Approach

Middleware Settings

Quiz Yourself on Resolution Middleware

9. Securing with Authentication and Authorization

Authentication

Login API

Execution Context

Securing Fields

Middleware Authorization

Subscriptions Authorization

Structuring for Authorization

Quiz Yourself on Securing with Authentication and Authorization

10. Tuning Resolution

Recognizing the Problem

Predefine Plugins

Built-in Plugin Batch

Dataloader

Quiz Yourself on Turning Resolution

11. Driving Phoenix Actions with GraphQL

Building an Action

Handling Input

Complex Queries

Order History

Quiz Yourself on Driving Phoenix Actions With GraphQL

12. Integrating with the Front-end

Starting Simple

GraphQL Query Fetching

CORS Issue

Front-end Framework

Different Configuration of Apollo Client

Relay Framework

Relay Connection

Quiz Yourself on Integrating with the Frontend

13. Conclusion

Wrap Up!