initial version (template only)

app/db.server.ts

@@ -0,0 +1,16 @@
+import { PrismaClient } from "@prisma/client";
+
+declare global {
+  // eslint-disable-next-line no-var
+  var prismaGlobal: PrismaClient;
+}
+
+if (process.env.NODE_ENV !== "production") {
+  if (!global.prismaGlobal) {
+    global.prismaGlobal = new PrismaClient();
+  }
+}
+
+const prisma = global.prismaGlobal ?? new PrismaClient();
+
+export default prisma;