index.js

const postServiceBinding = new RemoteBinding({
  typeDefsPath: '../schemas/post-service.graphql',
  endpoint: 'https://post-service-nyvvyjtbyt.now.sh',
})
const userServiceBinding = new RemoteBinding({
  typeDefsPath: '../schemas/user-service.graphql',
  endpoint: 'https://user-service-lvzqpqmeqb.now.sh/',
})

const server = new GraphQLServer({
  typeDefs: './src/schema.graphql',
  resolvers,
  context: req => ({
    ...req,
    userService: userServiceBinding,
    postService: postServiceBinding,
  }),
})