Tailcall is an open-source solution for building high-performance GraphQL backends.

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npm i -g @tailcallhq/tailcall

yarn global add @tailcallhq/tailcall

brew tap tailcallhq/tailcall
brew install tailcall

curl -sSL https://raw.githubusercontent.com/tailcallhq/tailcall/master/install.sh | bash

docker pull ghcr.io/tailcallhq/tailcall/tc-server
docker run -p 8080:8080 -p 8081:8081 ghcr.io/tailcallhq/tailcall/tc-server

The below file is a standard .graphQL file, with a few additions such as @server and @http directives. So, basically, we specify the GraphQL schema and how to resolve that GraphQL schema in the same file, without having to write any code!

schema @server(port: 8000, hostname: "0.0.0.0") @upstream(httpCache: 42) {
  query: Query
}

type Query {
  posts: [Post] @http(url: "https://jsonplaceholder.typicode.com/posts")
  user(id: Int!): User @http(url: "https://jsonplaceholder.typicode.com/users/{{.args.id}}")
}

type User {
  id: Int!
  name: String!
  username: String!
  email: String!
  phone: String
  website: String
}

type Post {
  id: Int!
  userId: Int!
  title: String!
  body: String!
  user: User @http(url: "https://jsonplaceholder.typicode.com/users/{{.value.userId}}")
}

Now, run the following command to start the server with the full path to the jsonplaceholder.graphql file that you created above.

tailcall start ./jsonplaceholder.graphql

Head out to docs to learn about other powerful tailcall features.

Throughput comparison of various GraphQL solutions for a N + 1 query:

query {
  posts {
    title
    body
    user {
      name
    }
  }
}

Check out detailed benchmarks on our benchmarking repository.

Your contributions are invaluable! Kindly go through our contribution guidelines if you are a first time contributor.

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This initiative is protected under the Apache 2.0 License.