Apollo Server is a popular open-source library for building GraphQL servers in JavaScript. It provides a simple and flexible way to build GraphQL servers by providing a set of tools and features for handling common tasks such as parsing and validating queries, executing resolvers, and formatting responses.
One of the key features of Apollo Server is that it provides a set of built-in functionality that makes it easy to handle common tasks such as authentication, authorization, and data validation. It also provides support for subscriptions, which allow clients to receive real-time updates from the server.
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