Self-host compose stack and production stability fixes

server/_core/static.ts

@@ -0,0 +1,21 @@
+import express, { type Express } from "express";
+import fs from "fs";
+import path from "path";
+
+export function serveStatic(app: Express) {
+  const distPath =
+    process.env.NODE_ENV === "development"
+      ? path.resolve(import.meta.dirname, "../..", "dist", "public")
+      : path.resolve(import.meta.dirname, "public");
+  if (!fs.existsSync(distPath)) {
+    console.error(
+      `Could not find the build directory: ${distPath}, make sure to build the client first`
+    );
+  }
+
+  app.use(express.static(distPath));
+
+  app.use("*", (_req, res) => {
+    res.sendFile(path.resolve(distPath, "index.html"));
+  });
+}