useApolloFederation

yarn add @envelop/apollo-federation

import { execute, parse, specifiedRules, subscribe, validate } from 'graphql'
import { ApolloGateway } from '@apollo/gateway'
import { useApolloFederation } from '@envelop/apollo-federation'
import { envelop, useEngine } from '@envelop/core'
 
// Initialize the gateway
const gateway = new ApolloGateway({
  serviceList: [
    { name: 'accounts', url: 'http://localhost:4001' },
    { name: 'products', url: 'http://localhost:4002' }
    // ...additional subgraphs...
  ]
})
 
// Make sure all services are loaded
await gateway.load()
 
// Then pass it to the plugin configuration
const getEnveloped = envelop({
  plugins: [
    useEngine({ parse, validate, specifiedRules, execute, subscribe }),
    // ... other plugins ...
    useApolloFederation({ gateway })
  ]
})