connection base prisma + postgres + login ok

src/lib/auth.ts

@@ -0,0 +1,61 @@
+import NextAuth from 'next-auth';
+import Credentials from 'next-auth/providers/credentials';
+import bcrypt from 'bcryptjs';
+
+export const { handlers, signIn, signOut, auth } = NextAuth({
+    providers: [
+        Credentials({
+            name: 'credentials',
+            credentials: {
+                email: { label: 'Email', type: 'email' },
+                password: { label: 'Password', type: 'password' },
+            },
+            async authorize(credentials) {
+                if (!credentials?.email || !credentials?.password) return null;
+
+                // Lazy import to avoid PrismaClient initialization during build
+                const { default: getDB } = await import('./prisma');
+                const prisma = getDB();
+
+                const user = await prisma.user.findUnique({
+                    where: { email: credentials.email as string },
+                });
+
+                if (!user) return null;
+
+                const isValid = await bcrypt.compare(
+                    credentials.password as string,
+                    user.hashedPassword
+                );
+
+                if (!isValid) return null;
+
+                return {
+                    id: user.id,
+                    email: user.email,
+                    name: user.name,
+                };
+            },
+        }),
+    ],
+    session: {
+        strategy: 'jwt',
+    },
+    callbacks: {
+        async jwt({ token, user }) {
+            if (user) {
+                token.id = user.id;
+            }
+            return token;
+        },
+        async session({ session, token }) {
+            if (session.user && token.id) {
+                session.user.id = token.id as string;
+            }
+            return session;
+        },
+    },
+    pages: {
+        signIn: '/',
+    },
+});