Simplified server code.

api/server.mjs

@@ -9,27 +9,26 @@ import graphqlTools from 'graphql-tools'
 import typeDefs from './schema.mjs'
 import resolvers from './resolvers.mjs'
 
-const app = new Koa()
-const router = new KoaRouter()
-const schema = graphqlTools.makeExecutableSchema({ typeDefs, resolvers })
-
-router.post(
+const router = new KoaRouter().post(
   '/graphql',
   koaBody(),
   apolloUploadKoa(),
-  graphqlServerKoa.graphqlKoa({ schema })
+  graphqlServerKoa.graphqlKoa({
+    schema: graphqlTools.makeExecutableSchema({ typeDefs, resolvers })
+  })
 )
 
-app
+new Koa()
   .use(cors())
   .use(compress())
   .use(router.routes())
   .use(router.allowedMethods())
-
-app.listen(process.env.PORT, error => {
-  if (error) throw error
-  // eslint-disable-next-line no-console
-  console.info(
-    `Serving http://localhost:${process.env.PORT} for ${process.env.NODE_ENV}.`
-  )
-})
+  .listen(process.env.PORT, error => {
+    if (error) throw error
+    // eslint-disable-next-line no-console
+    console.info(
+      `Serving http://localhost:${process.env.PORT} for ${
+        process.env.NODE_ENV
+      }.`
+    )
+  })