lus.js

import schema from "./schema";
import { graphqlExpress, graphiqlExpress } from "apollo-server-express";

app.use(
  "/graphql",
  graphqlExpress(req => {
    return {
      schema
    };
  })
);

app.use(
  "/graphiql",
  graphiqlExpress({
    endpointURL: "/graphql"
  })
);

schema.js

import { makeExecutableSchema } from "graphql-tools";

import tags from "./services/tag-service";
import { getDisplayName } from "./utils/dictator";

const typeDefs = `

# the schema allows the following query:
type Query {
  teams: [Team]
}

type Mutation {

}

# we need to tell the server which types represent the root query
# and root mutation types. We call them RootQuery and RootMutation by convention.
schema {
  query: Query
  mutation: Mutation
}
`;

const resolvers = {
  Query: {
    teams: () => {}
  }
};

const executableSchema = makeExecutableSchema({
  typeDefs,
  resolvers
});

export default executableSchema;