chore: optimize next.config.ts for standalone Docker output

Dockerfile

@@ -21,9 +21,6 @@ COPY . .
 # Coolify will provide these, but we can set defaults
 ENV NEXT_TELEMETRY_DISABLED=1
 
-# Generate Prisma Client
-RUN npx prisma generate
-
 RUN npm run build
 
 # 4. Runner

next.config.ts

@@ -1,6 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
+  output: 'standalone',
   images: {
     remotePatterns: [
       {