Trove Deck Blog

Software design and development, in the open.

Engineering essays from Trove Deck Solution — payments, infrastructure, AI tooling, security, and the trade-offs behind every product we ship.

Holographic trading floor with financial charts representing platform selection.
2026-06-01 · 7 min

MT4 vs MT5 vs cTrader vs Match Trader: 2026 Brokerage Guide

Launching a brokerage in 2026? The platform choice is make-or-break. We dive into MT4, MT5, cTrader, and Match Trader to guide your decision.

Spreadsheet with cost calculations and a calculator on a desk, symbolizing API cost planning and budget optimization.
2026-05-09 · 7 min

Your API Costs Won't Explode—Bad Math Will

Most founders pick the wrong API provider because they optimize for the wrong variable—per-token price instead of total cost per outcome. Here's how to do the math.

A tired solo founder debugging authentication code at night, surrounded by multiple browser tabs on a laptop screen.
2026-05-09 · 7 min

Clerk vs Auth0 vs NextAuth: Which Auth for Solo Founders?

Spent three days debugging auth? Here's how Clerk, Auth0, and NextAuth compare—and when to pick each. Plus: when outsourcing auth entirely makes sense for solo founders.

A security bouncer checking ID credentials at a nightclub entrance, representing CORS as a browser security gate
2026-05-09 · 7 min

CORS Errors Haunting You? Here's the Decision Tree That Finally Works

Your frontend is screaming about CORS. You're not broken—you're just missing the one diagram that explains everything. Here's the decision tree that works.

Developer at 3 AM facing connection timeout errors on laptop screen
2026-05-09 · 7 min

Why Your App Crashes at 3 AM: Connection Pool Exhaustion

Your app crashes at 3 AM with zero warning. Database fine, code unchanged, but thousands of requests timeout. Connection pool exhaustion is the silent killer most developers discover too late. Here's how to spot it and fix it before it kills your users.

A developer's desk with a laptop displaying a 404 error, warm desk lamp lighting, and morning sunlight
2026-05-09 · 6 min

Fix Localhost 404 Errors for Next.js Blog Articles

Your Next.js blog renders perfectly in production but throws 404 errors on localhost. We break down why dev and production serve static files differently—and show you the one-line fix.

Clock showing 2 AM in darkness with blurred night city lights, symbolizing a late-night build crisis.
2026-05-09 · 7 min

Your Next.js Build Turned Glacial at 2 AM—Here's Why and How to Fix It

It's 2 AM on Friday and your Next.js build went from 45 seconds to 8 minutes. We walk through the four culprits—dependency bloat, memory exhaustion, cache poisoning, and config drift—plus a 5-minute diagnostic checklist and fixes that work.

Comparison illustration: payment processing dashboard interface on left versus shipping box with currency on right, representing Stripe API versus Lemon Squeezy full-stack solution
2026-05-09 · 7 min

Stripe vs Lemon Squeezy: Which Payment Processor for Solo SaaS?

Two payment platforms, two different philosophies. Stripe gives you the API; Lemon Squeezy gives you the full stack. Here's how to choose in 2026—and why one might ship your product a month faster.

Three payment cards arranged on a desk, representing the choice between Stripe, Paddle, and Lemon Squeezy
2026-05-09 · 6 min

Stripe vs Paddle vs Lemon Squeezy: The Right Pick for 2026

Choosing a payment processor is a revenue decision. Stripe wins on fees and control, Paddle wins on tax compliance, Lemon Squeezy wins on speed. Here's how to pick the right one.

Three side-by-side dashboard interfaces showing billing curves and cost metrics for different database platforms
2026-05-09 · 6 min

Supabase vs Firebase vs PlanetScale: Real Database Costs

Your database bill doesn't match your traffic. Firebase, Supabase, and PlanetScale have wildly different cost models—here's what 10k users actually costs on each, and how to choose before it's too late.

A solo founder checking WhatsApp on their phone with scattered invoices and spreadsheets around their desk
2026-05-09 · 6 min

Track Unpaid Invoices From WhatsApp Without a Spreadsheet

Your invoices are scattered across WhatsApp threads. Your spreadsheet is out of sync. You're leaving money on the table. Here's how to build a system that auto-tracks payments and stops the bleeding.

Developer viewing exposed API keys in terminal, representing environment variable security risks in preview deployments
2026-05-09 · 7 min

Why Your Vercel Preview URLs Are Broadcasting API Keys

Thought your Vercel preview was safe? Think again—anyone with the URL can pull your live API keys from the headers and request logs. We caught ours before it hurt. Here's how to catch yours.

A frustrated developer surrounded by mismatched cables and incompatible adapters on a desk, carefully replacing them with one clean, custom-built solution.
2026-05-09 · 7 min

When SaaS Hits a Wall: Why Custom Software Pays Off

Your SaaS stack is creaking under the weight of workarounds and manual busywork. Custom software isn't a luxury—it's the faster path to unfair advantage when off-the-shelf hits its wall.