Phase 5: Docker e Deploy Config

- Dockerfile multi-stage:
  * Build com pnpm + Prisma generate
  * Production com Node.js 22 alpine
  * Non-root user (nextjs:nodejs)
  * Standalone output

- next.config.ts: output standalone
- .dockerignore: excludes node_modules, .env, .next, etc

Ready para deploy EasyPanel com:
- Port 3000
- ENV: DATABASE_URL, NODE_ENV=production
- Build: Nixpacks ou Dockerfile

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

next.config.ts

@@ -1,7 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  /* config options here */
+  output: 'standalone',
 };
 
 export default nextConfig;