Customize the production landing page

index.js

@@ -1,4 +1,5 @@
 import {ApolloServer, gql} from 'apollo-server';
+import {ApolloServerPluginLandingPageProductionDefault} from 'apollo-server-core';
 import {buildSubgraphSchema} from '@apollo/subgraph';
 import {readFileSync} from 'fs';
 import {resolvers} from './resolvers.js';
@@ -7,7 +8,13 @@ const typeDefs = gql(readFileSync('./schema.graphql', 'utf-8'));
 
 const server = new ApolloServer({
   schema: buildSubgraphSchema({typeDefs, resolvers}),
-  introspection: true
+  introspection: true,
+  plugins: [
+    ApolloServerPluginLandingPageProductionDefault({
+      footer: false,
+      graphRef: process.env.APOLLO_GRAPH_REF
+    })
+  ]
 });
 
 server.listen({port: process.env.PORT || 4000}).then(({url}) => {