forwarding headers

server/package-lock.json

@@ -68,6 +68,14 @@
         "zen-observable-ts": "^0.8.10"
       }
     },
+    "apollo-link-context": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/apollo-link-context/-/apollo-link-context-1.0.9.tgz",
+      "integrity": "sha512-gcC1WH7mTyNtS0bF4fPijepXqnERwZjm1JCkuOT6ADBTpDTXIqK+Ec+/QkVawDO26EV9OX5ujWe4kI1qC6T6tA==",
+      "requires": {
+        "apollo-link": "^1.2.3"
+      }
+    },
     "apollo-link-http": {
       "version": "1.5.5",
       "resolved": "https://registry.npmjs.org/apollo-link-http/-/apollo-link-http-1.5.5.tgz",

server/package.json

@@ -24,6 +24,7 @@
     "nodemon": "^1.18.4"
   },
   "dependencies": {
+    "apollo-link-context": "^1.0.9",
     "apollo-link-http": "^1.5.5",
     "apollo-server-express": "^1.1.0",
     "body-parser": "^1.18.3",

server/src/index.js

@@ -12,6 +12,7 @@ import {
 } from 'graphql-tools'
 import fetch from 'node-fetch'
 import { createHttpLink } from 'apollo-link-http'
+import { setContext } from 'apollo-link-context'
 
 async function run () {
   const createRemoteSchema = async (uri) => {
@@ -21,9 +22,15 @@ async function run () {
     })
     const databaseServiceSchemaDefinition = await introspectSchema(makeDatabaseServiceLink())
 
+    const http = makeDatabaseServiceLink()
+
+    const link = setContext((request, previousContext) => (
+      { headers: previousContext.graphqlContext.headers }
+    )).concat(http)
+
     return makeRemoteExecutableSchema({
       schema: databaseServiceSchemaDefinition,
-      link: makeDatabaseServiceLink()
+      link: link
     })
   }
 
@@ -80,7 +87,12 @@ async function run () {
 
   const app = express()
 
-  app.use('/graphql', bodyParser.json(), graphqlExpress({ schema }))
+  app.use('/graphql', bodyParser.json(), graphqlExpress(req => {
+    return ({
+      schema: schema,
+      context: req
+    })
+  }))
 
   app.use(
     '/graphiql',