connection base prisma + postgres + login ok

src/lib/prisma.ts

@@ -0,0 +1,24 @@
+import { PrismaClient } from '@prisma/client';
+import { PrismaPg } from '@prisma/adapter-pg';
+import { Pool } from 'pg';
+
+const globalForPrisma = globalThis as unknown as {
+    prisma: PrismaClient | undefined;
+};
+
+/**
+ * Returns a singleton PrismaClient instance using the Prisma v7 adapter pattern.
+ * Uses @prisma/adapter-pg with a pg Pool for direct PostgreSQL connections.
+ */
+export function getDB(): PrismaClient {
+    if (!globalForPrisma.prisma) {
+        const connectionString = process.env.DATABASE_URL;
+        const pool = new Pool({ connectionString });
+        const adapter = new PrismaPg(pool);
+
+        globalForPrisma.prisma = new PrismaClient({ adapter });
+    }
+    return globalForPrisma.prisma;
+}
+
+export default getDB;