I Spent the Past Few Weeks Building a Cinema App with React & Firebase 🎬
Like many developers, I started this project with a simple idea: "What if there was a place that made discovering films feel intentional again?" That …
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A plaintext Firebase password authenticated anyone who visited the site — here's how I fixed it without disconnecting anyone
While doing a routine hardening pass on an internal Firebase panel — codename PanelControl , a management tool used daily by multiple operators with d…
Supabase vs Firebase
Both Supabase and Firebase promise the same thing: a backend you don't have to build, with auth, a database, storage, and real-time out of the box. Th…
Streaming Real-Time AI Telemetry with Firebase Genkit and Angular Signals
We’ve all been there. You click a button in a modern web app, and you’re immediately greeted by a generic loading spinner. You sit there, staring at i…
PWA with React + Leaflet: lessons from a 31-city map app
Notes from shipping a real-world PWA in Korea: Vite SSG is worth it. SPAs lose Korean SEO because Naver's crawler doesn't fully render JS. Leaflet >…
Who's Online on the Site, Without Tidio: Live Presence and Visitor History with Firebase
A client wanted to know who was on their site and on which page, the way Tidio's widget showed them — but without paying for a Tidio subscription, on …
Flutter Firebase Remote Config: Control Your App Without Releasing Again
There's a moment every developer hits. You ship an app and then immediately realize : "I should hide this feature" "This API needs to change" "We need…
Firebase Security Rules deserve better IDE support
I have been writing Cloud Firestore Security Rules for years, and I usually edit them in the same place where I do the rest of my work: Android Studio…
Dynamic file catalog with Firebase RTDB + Storage (and how I fixed a Service Worker cache bug)
The Utility section of my internal PWA had a problem: the file catalog was hardcoded in the HTML. Every time a file was added or removed, it required …
The Complete Guide to Firebase Security Rules: Why They Matter and how to Write Them
When building modern web and mobile applications, backend security is often the most stressful piece of the puzzle. Traditional architectures require …
Custom e-commerce on Firebase: catalog, atomic orders and admin panel
How I built a fully custom e-commerce from scratch using Firebase Realtime Database and Netlify — no off-the-shelf platforms: per-product pricing vari…
Signed token between two PWAs: HMAC-SHA256 with no backend
How I passed the logged-in user’s identity from one PWA to another running on a completely separate Firebase project — without writing a single line o…
How We Built a Hyperlocal Coupon Platform for Small-Town India
The Problem Small local shops in Tier-2/3 Indian cities (such as Tirunelveli, Tenkasi, and Dindigul) often have zero digital presence. They have no we…
How I Built a Hyperlocal Coupon Platform with Next.js Firebase for Small-Town India
The Problem Small local shops in Tier-2/3 Indian cities (think Tirunelveli, Tenkasi, Dindigul) have zero digital presence . No website, no app, no way…
Building a Real-Time Task Manager with Next.js and Firebase - Lessons from the Trenches
Building a Real-Time Task Manager with Next.js and Firebase - Lessons from the Trenches I recently built a task management app to learn Firebase prope…
"EcoSphere AI: Why I separated 'logic' from 'AI' when building a carbon footprint assistant"
The Trap Most Carbon Apps Fall Into When you say "build a carbon footprint app," the obvious move is: collect some inputs, ask an LLM "how much CO2 do…
PWA with React + Leaflet: lessons from a 31-city map app
Notes from shipping a real-world PWA in Korea: Vite SSG is worth it. SPAs lose Korean SEO because Naver's crawler doesn't fully render JS. Leaflet >…
Migrate to Firebase Server Prompt Template in Angular using Dependency Injection [GDE]
Migrate to Firebase Server Prompt Template in Angular using Dependency Injection Firebase released Server Prompt Templates to host prompt templates in…
The Weekend I Finally Finished 17 Projects
You know that feeling when you open a folder you haven't touched in months and find... yourself? Not metaphorically. I mean literally — old projects y…
Configuring Firebase AI Logic for Android to Use Gemini Models
What device do we use almost all the time? Our mobile phone, almost certainly. If we wanted to develop mobile apps, we would have wondered how to inte…
The Solo Developer Who Ships What Entire Teams Once Built.
The solo agentic developer is real and the tech stack that makes it possible is already here. The team of one just got a superpower. Two years ago, sh…
From Student Dev to Agent Architect: What Google I/O 2026 Changed for Me
This is a submission for the Google I/O Writing Challenge Watching I/O 2026 as a student developer I’m a cybersecurity and full‑stack student who live…
Musubiba: Making Neighborhood Association Workload Visible
Running a Japanese neighborhood association — jichikai or chonaikai — involves a surprisingly dense set of recurring tasks: circulating bulletins to e…
I built a free AI writing SaaS with Flutter Web + Gemini — would love feedback from this community
Hey Dev.to Community I've been a Flutter/Firebase developer for the past couple of years, and I recently shipped something I'm genuinely proud of — Sc…
Building a Zero-Cost AI Feature in Flutter with Gemma 4 + Firebase
How to combine on-device inference with cloud sync — without paying a cent in API fees The Unspoken Reality of AI API Costs Here’s the moment every in…