Initial config with a few files that build on client and server side.

app/server/server.ts

@@ -0,0 +1,24 @@
+import * as express from 'express';
+import * as http from 'http';
+import {AddressInfo} from 'net';
+
+const G = {
+  port: parseInt(process.env.PORT!, 10) || 8484,
+  host: process.env.HOST || 'localhost',
+};
+
+export async function main() {
+  const app = express();
+  const server = http.createServer(app);
+
+  app.use(express.static('static'));
+
+  // Start listening.
+  await new Promise((resolve, reject) => server.listen(G.port, G.host, resolve).on('error', reject));
+  const address = server.address() as AddressInfo;
+  console.warn(`Server listening at http://${address.address}:${address.port}`);
+}
+
+if (require.main === module) {
+  main().catch((err) => console.error(err));
+}

app/server/tsconfig.json

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+{
+    "extends": "../../buildtools/tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../../build/app/server",
+    },
+    "references": [
+        { "path": "../common" }
+    ]
+}