Tutorials

Tutorials

You are welcome to share a few HOW TOs on stuff that I love, or stuff that I've learned.

ai
The Era of Self-Developing Apps
What if an app could start completely empty and evolve its own code over time? A Telegram bot, an Obsidian vault, and HAL walk into a bar — and build a self-extending system without a single database.
Oct 7, 2026
ai
Stop Prompting, Start Pairing: Securing a Live VPS with AI
Most people treat AI agents like magic wands and pray they don't break anything. We treated it like a junior engineer with superhuman memory. Here’s what happened when we hardened my live server together.
Oct 6, 2026
ai
50 FIRST TASKS
Code assistants forget stuff. Here's how to teach it not to. Boost Copilot, Cursor, and other assistants with a structured Memory Bank to make every task smarter, faster, and even more human.
Jul 13, 2025
ForrestJS
Thy Shall NOT Burn in the Context Provider HELL
How to structure your React PWA to achieve loose coupling of features and avoid the Context Provider Hell
Jan 31, 2022
postgres
Event Sourcing in Postgres: The Client
How to store different client's reading cursor in PostgreSQL, so to facilitate consuming an event stream by different consumers.
Mar 26, 2021
postgres
Event Sourcing in Postgres: The Events
How to build a basic data model for Event Sourcing in PostgreSQL, and let multiple clients consume one or more topics.
Jan 11, 2021
postgres
Event Sourcing in Postgres
How to build an Event Sourcing system using one of the best data-store tools available to humankind: Postgres!
Dec 13, 2020
Tutorials
ForrestJS & Fastify Examples
Learn by examples how easy is to build a Fastify based Web Service with ForrestJS and its feature composability.
Aug 6, 2020
Tutorials
Hasura in Gitpod
How to run Hasura.io in a GitPod.io workspace
Feb 9, 2020
Tutorials
How to integrate Hasura with Auth0
Step by step guide on how to use Auth0 with Hasura in a Single Page App bootstrapped with Create React App.
Dec 26, 2019
postgres
Setup a Free PostgreSQL Database
Do you want to learn Postgres? Today you can spin up your database completely for FREE and start experimenting with one of the best database tools ever.
Dec 1, 2019
postgres
Per-User Encryption with Postgres
In this article you learn how to apply per-user encryption to the data you store in Postgres. It is quite easy and it will allow you to guarantee the highest level of security and privacy to your users.
Jul 15, 2019
free
A 100% Free Website with Gatsby and Gitpod.io
Yes, I am working and hosting this website 100% for free thanks to GatsbyJS and Gitpod.io - here is how you can do the same
Apr 1, 2019