codesnips

nextjs

javascript 
const withBundleAnalyzer = require('@next/bundle-analyzer')({
  enabled: process.env.ANALYZE === 'true',
  openAnalyzer: true,
});

/** @type {import('next').NextConfig} */

Next.js bundle analyzer for targeted performance work

nextjs performance tooling
by codesnips 4 tabs
dockerfile 
FROM node:20-alpine AS base
WORKDIR /app
RUN apk add --no-cache libc6-compat

FROM base AS deps
COPY package.json package-lock.json ./

Docker multi-stage build for Next.js

docker nextjs multi-stage
by codesnips 4 tabs
typescript 
import { cookies } from "next/headers";
import { jwtVerify } from "jose";

export interface Session {
  userId: string;
  role: "user" | "admin";

Next.js Route Handler with auth guard

nextjs route-handlers authentication
by codesnips 3 tabs
typescript 
import { NextRequestWithAuth } from 'next/server';
import { NextResponse } from 'next/server';
import type { NextRequest } from 'next/server';
import { verifySession } from './lib/verify-session';
import { isProtected, isAuthPage } from './lib/route-matchers';

Next.js middleware for auth gating

nextjs auth security
by codesnips 3 tabs