Deploy staging on App Engine standard

app-staging.yaml

@@ -1,10 +1,5 @@
-runtime: nodejs
-env: flex
-
-resources:
-  cpu: 1
-  memory_gb: 0.5
-  disk_size_gb: 10
-
-manual_scaling:
-  instances: 1
+runtime: nodejs10
+env: standard
+instance_class: B4
+basic_scaling:
+  max_instances: 1

modules/server.js

@@ -29,6 +29,12 @@ app.enable('trust proxy');
 app.use(logger);
 app.use(staticFiles);
 
+// Special startup request from App Engine
+// https://cloud.google.com/appengine/docs/standard/nodejs/how-instances-are-managed
+app.get('/_ah/start', (req, res) => {
+  res.status(200).end();
+});
+
 app.get('/', serveMainPage);
 
 app.use(redirectLegacyURLs);

package.json

@@ -67,6 +67,6 @@
     "tempy": "^0.2.1"
   },
   "engines": {
-    "node": "10.x"
+    "node": "10.x.x"
   }
 }