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🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.

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Apollo Server

A TypeScript GraphQL Server for Express, Koa, Hapi, Lambda, and more.

npm version Build Status Join the community forum Read CHANGELOG

Apollo Server is a community-maintained open-source GraphQL server. It works with many Node.js HTTP server frameworks, or can run on its own with a built-in Express server. Apollo Server works with any GraphQL schema built with GraphQL.js--or define a schema's type definitions using schema definition language (SDL).

Read the documentation for information on getting started and many other use cases and follow the CHANGELOG for updates.


Apollo Server is built with the following principles in mind:

  • By the community, for the community: Its development is driven by the needs of developers.
  • Simplicity: By keeping things simple, it is more secure and easier to implement and contribute.
  • Performance: It is well-tested and production-ready.

Anyone is welcome to contribute to Apollo Server, just read, take a look at the roadmap and make your first PR!

Getting started

To get started with Apollo Server:

  • Install with
    npm install apollo-server- graphql
  • Write a GraphQL schema
  • Use one of the following snippets

There are two ways to install Apollo Server:

  • Standalone: For applications that do not require an existing web framework, use the
  • Integrations: For applications with a web framework (e.g.
    , etc.), use the appropriate Apollo Server integration package.

For more info, please refer to the Apollo Server docs.

Installation: Standalone

In a new project, install the

dependencies using:
npm install apollo-server graphql

Then, create an

which defines the schema and its functionality (i.e. resolvers):
const { ApolloServer, gql } = require('apollo-server');

// The GraphQL schema const typeDefs = gql type Query { "A simple type for getting started!" hello: String };

// A map of functions which return data for the schema. const resolvers = { Query: { hello: () => 'world', }, };

const server = new ApolloServer({ typeDefs, resolvers, });

server.listen().then(({ url }) => { console.log(🚀 Server ready at ${url}); });

Due to its human-readability, we recommend using schema-definition language (SDL) to define a GraphQL schema--a

object from
can also be specified instead of

using the
const server = new ApolloServer({
  schema: ...

Finally, start the server using

node index.js
and go to the URL returned on the console.

For more details, check out the Apollo Server Getting Started guide and the fullstack tutorial.

For questions, the Apollo community forum is a great place to get help.

Installation: Integrations

While the standalone installation above can be used without making a decision about which web framework to use, the Apollo Server integration packages are paired with specific web frameworks (e.g. Express, Koa, hapi).

The following web frameworks have Apollo Server integrations, and each of these linked integrations has its own installation instructions and examples on its package


A request context is available for each request. When

is defined as a function, it will be called on each request and will receive an object containing a
property, which represents the request itself.

By returning an object from the

function, it will be available as the third positional parameter of the resolvers:
new ApolloServer({
  resolvers: {
    Query: {
      books: (parent, args, context, info) => {
        console.log(context.myProperty); // Will be `true`!
        return books;
  context: async ({ req }) => {
    return {
      myProperty: true


The Apollo Server documentation contains additional details on how to get started with GraphQL and Apollo Server.

The raw Markdown source of the documentation is available within the

directory of this monorepo--to contribute, please use the Edit on GitHub buttons at the bottom of each page.


If you wish to develop or contribute to Apollo Server, we suggest the following:

  • Fork this repository

  • Install Direnv (a tool that automatically sets up environment variables in project directories) or nvm. We use nvm to ensure we're running the expected version of Node (and we use Direnv to install and run nvm automatically).

  • Install the Apollo Server project on your computer

git clone[your-user]/apollo-server
cd apollo-server
direnv allow  # sets up nvm for you; if you installed nvm yourself, try `nvm install` instead
  • Build and test
npm install
npm test
  • To run individual test files, run
    npm run pretest && npx jest packages/apollo-server-foo/src/__tests__/bar.test.ts
    . Note that you do need to re-compile TypeScript before each time you run a test, or changes across packages may not be picked up. Instead of running
    npm run pretest
    from scratch before each test run, you can also run
    tsc --build tsconfig.json --watch
    in another shell, or use the VSCode
    Run Build Task
    to run that for you.


Are you stuck? Want to contribute? Come visit us in the Apollo community forum!


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