Table of Contents

• Table of Contents
  • How to install
  • How to run in local environment
  • Apollo Studio
  • Architecture
    • C1 Context
  • Queries
    • Response

Cerebro is an ExpressJS server, running on Apollo Server, that provides access to information about Marvel comics, characters and more.

How to install

To install required dependencies, run

npm install

Developed with Node v14.15.4

How to run in local environment

First, create a .env file (see .env.example) and paste your public and private key to access Marvel Developer APIs. Then, in the root folder, run

npm run dev

You will see something like this in the terminal

🚀 Server is ready at http://localhost:4001/graphql

Open a web browser and visit http://localhost:4001/graphql.

Apollo Studio

Every time I start the server, the schema is automatically registered on Apollo Studio. Publishing the schema unlocks useful festures such as usage statistics and the schema changelog.

Architecture

C1 Context

Queries

Query	Description	Params
getCharacters	Returns an array of characters	limit: number (default 20)
getCharacterById	Returns an array with one character or an empty array if no character is found	* id: number
getCharacterById	Returns an array with one character or an empty array if no character is found	* id: number
getComics	Returns an array of comics	limit: number (default 20)
getCreators	Returns an array of creators	firstName: string, lastName: string

* mandatory param

Response

The Response type is a union type:

union Result = Character | Comic | ...

type Response {
  offset: Int!
  limit: Int!
  total: Int!
  count: Int!
  results: [Result]!
}