first commit

lib/prisma.ts

@@ -0,0 +1,25 @@
+import { PrismaClient } from "@prisma/client";
+import { PrismaPg } from "@prisma/adapter-pg";
+import pkg from "pg";
+
+const { Pool } = pkg;
+
+const globalForPrisma = globalThis as unknown as {
+  prisma: PrismaClient | undefined;
+};
+
+const getPrismaClient = () => {
+  const connectionString = process.env.DATABASE_URL;
+  if (!connectionString) {
+    throw new Error("DATABASE_URL is not configured in your environment variables.");
+  }
+  const pool = new Pool({ connectionString });
+  const adapter = new PrismaPg(pool);
+  return new PrismaClient({ adapter });
+};
+
+export const prisma = globalForPrisma.prisma ?? getPrismaClient();
+
+if (process.env.NODE_ENV !== "production") {
+  globalForPrisma.prisma = prisma;
+}