Change the server setup to use Express.js for hosting

src/index.ts

@@ -1,13 +1,11 @@
 import { readFileSync } from "fs";
 import { ApolloServer } from "@apollo/server";
-import { startStandaloneServer } from "@apollo/server/standalone";
 import { MergedResolvers } from "./MergedResolvers";
 import { ServerContext } from "./ServerContext";
-import { loadShuttleTestData } from "./loaders/shuttle/loadShuttleTestData";
 import { InterchangeSystem, InterchangeSystemBuilderArguments } from "./entities/InterchangeSystem";
 import { ChapmanApiBasedParkingRepositoryLoader } from "./loaders/parking/ChapmanApiBasedParkingRepositoryLoader";
-import { supportedIntegrationTestSystems } from "./loaders/supportedIntegrationTestSystems";
-import { loadParkingTestData } from "./loaders/parking/loadParkingTestData";
+import express from "express";
+import { expressMiddleware } from "@as-integrations/express5";
 
 const typeDefs = readFileSync("./schema.graphqls", "utf8");
 
@@ -27,6 +25,7 @@ async function main() {
     resolvers: MergedResolvers,
     introspection: process.env.NODE_ENV !== "production",
   });
+  await server.start();
 
   let systems: InterchangeSystem[];
 
@@ -36,26 +35,30 @@ async function main() {
     },
   ));
 
-  const { url } = await startStandaloneServer(server, {
-    listen: {
-      port: process.env.PORT ? parseInt(process.env.PORT) : 4000,
-    },
-    context: async () => {
-      return {
-        systems,
-        findSystemById: (id: string) => {
-          const system = systems.find((system) => system.id === id);
-          if (!system) {
-            return null;
-          }
-          return system;
-        },
-      }
-    },
+  const app = express();
+  app.use(
+    "/",
+    express.json(),
+    expressMiddleware(server, {
+      context: async () => {
+        return {
+          systems,
+          findSystemById: (id: string) => {
+            const system = systems.find((system) => system.id === id);
+            if (!system) {
+              return null;
+            }
+            return system;
+          },
+        }
+      },
+    })
+  );
+
+  const port = process.env.PORT ? parseInt(process.env.PORT) : 4000;
+  app.listen(port, () => {
+    console.log(`Server ready at port ${port}`);
   });
-
-
-  console.log(`Server ready at: ${url}`);
 }
 
 main();