server.ts

import {ApolloServer} from 'apollo-server'
import {ApolloGateway} from '@apollo/gateway'
import AuthenticatedDataSource from './middlewares/AuthenticatedDataSource'

const runServer = async () => {
    const server = new ApolloServer({
        gateway: new ApolloGateway({
            buildService: ({url}) => new AuthenticatedDataSource({url}),
            serviceList: [{
                name: 'crm',
                url: 'http://localhost:7000/api/v1',
            }],
        }),
        subscriptions: false,
        context: ({req}) => {
            const token = req.headers.authorization || ''
            return {token}
        }
    })

    const {url} = await server.listen()

    console.log(`Server ready at ${url}`)
}

runServer().catch(error => {
    console.error(`Failed to start server: `, error)
    process.exit(1)
})