NextAuth Works Locally but Fails in Production
How to debug NextAuth when it works locally but fails in production, covering callback URLs, cookies, secrets, middleware, providers, and Vercel.
Articles
Development, page 4 of 26
Development is the broadest category in my writing, so it works as the main archive rather than a narrow subject label. It brings together implementation notes and technical decisions, with delivery lessons from across the rest of the site.
NextAuth Works Locally but Fails in Production. 
LeetCode: The 'Kth Smallest Element in a BST' Problem. LeetCode: The 'Kth Smallest Element in a BST' Problem
Solve Kth Smallest Element in a BST with in‑order traversal, showing why the tree's ordering removes the need for a separate sorting step in interviews.
Using RxJS for State Management in Angular. Using RxJS for State Management in Angular
RxJS offers a powerful, reactive approach to managing state in Angular apps. Here, I clearly explain practical patterns and show how to use them effectively.
Why Next.js Builds Time Out on Vercel. Why Next.js Builds Time Out on Vercel
Debug Next.js build timeouts on Vercel by checking route generation, CMS data fan‑out, memory pressure, image work, caching, logs, and platform limits.
React Developer vs. Next.js Developer: What Actually Changes in Production. React Developer vs. Next.js Developer: What Actually Changes in Production
React developer vs. Next.js developer explained through production concerns: rendering, routing, caching, SEO, deployment, CMS data, and debugging.
Backtracking Decision Trees: Solving 'Combination Sum'. Backtracking Decision Trees: Solving 'Combination Sum'
Solve Combination Sum with backtracking in TypeScript, using a growing path, remaining total, sorted pruning, reuse rules, and common mistakes too.
Next.js Site Broke After Deploy: A Production Triage Checklist. Next.js Site Broke After Deploy: A Production Triage Checklist
A Next.js production triage checklist for broken deploys, covering rollback decisions, logs, environment drift, routes, auth, CMS data, and cache.
Solving the 'Jump Game' Problem with Greedy Algorithms. Solving the 'Jump Game' Problem with Greedy Algorithms
A clear walkthrough of LeetCode Jump Game using a greedy algorithm, including why the farthest‑reach approach works and where slower ideas get stuck.
Memoization in JavaScript: Optimising Function Calls. Memoization in JavaScript: Optimising Function Calls
Memoization helps JavaScript functions run faster by caching previous results. Here's a clear guide on how and when to use memoization effectively.
Next.js Proxy Replaces Middleware: What Changes in Practice. Next.js Proxy Replaces Middleware: What Changes in Practice
Next.js Proxy replaces Middleware in v16. See what changed, how to migrate to proxy.ts, and when request‑time interception still belongs in production.
CMS Content Not Updating in Next.js. CMS Content Not Updating in Next.js
A production runbook for stale CMS content in Next.js, covering webhooks, route dependencies, ISR, cache boundaries, preview, and editor trust.
Dynamic Programming in LeetCode: Solving 'Coin Change'. Dynamic Programming in LeetCode: Solving 'Coin Change'
How to solve LeetCode Coin Change with dynamic programming, and why the obvious greedy approach fails on exactly the cases worth understanding in interviews.
Handling API Routes in Next.js: When to Use Server Actions vs. API Routes. Handling API Routes in Next.js: When to Use Server Actions vs. API Routes
Next.js gives us two ways to handle back‑end logic: API Routes and Server Actions. Here, I clearly explain when to choose each approach for the best results.
LeetCode: Finding the Diameter of a Binary Tree. LeetCode: Finding the Diameter of a Binary Tree
The diameter of a binary tree is the longest path between any two nodes. I'll explain clearly how we can solve this problem using recursion in JavaScript.
Headless CMS SEO Controls Checklist. Headless CMS SEO Controls Checklist
A headless CMS SEO checklist covering metadata, canonicals, schema, redirects, sitemaps, preview, internal links, image fields, and publishing controls.
Topological Sort: Solving the 'Course Schedule' Problem. Topological Sort: Solving the 'Course Schedule' Problem
How to solve Course Schedule with topological sort in TypeScript, comparing Kahn's algorithm with DFS cycle detection and why in‑degrees read clearly.
Technical SEO Launch Criteria for a Next.js Migration. Technical SEO Launch Criteria for a Next.js Migration
Technical SEO launch criteria for Next.js migrations, covering URLs, redirects, canonicals, metadata, rendered HTML, schema, sitemaps, and recovery.
Understanding the Module Pattern in JavaScript. Understanding the Module Pattern in JavaScript
The JavaScript module pattern explained through closures and private state, plus the architectural lessons it still teaches modern developers today.