Fernando

Fernando @fdocr

About: Ruby, Rails, Crystal, Docker, Mobile development and lots of random cloud computing plumbing.

Location:
Costa Rica
Joined:
May 17, 2017

Fernando
articles - 29 total

[Boost]

Why Infrastructure Engineers Should Start with Backend...

Learn More 0 0Apr 11

Selfhost Timetagger on a Raspberry Pi

A few weeks ago I started looking into options for time tracking software. The goal is to be more...

Learn More 20 7Apr 22 '24

Keeping up with my cat's 💩 using a RaspberryPi

As a former dog owner and first time cat dad I was amazed at how cats are "potty trained" practically...

Learn More 59 14May 23 '23

Background jobs for Kemal server in Crystal lang

Yet another post about the Battlesnake project I've been working on while diving in Crystal...

Learn More 7 0Mar 2 '23

Database for Kemal server in Crystal lang

This is another post about the Battlesnake project I've been working on while diving in Crystal...

Learn More 5 0Mar 1 '23

Algorithms and standard library modules in my Battlesnake

The first post in the series walked through the code of my current strategy. This one will share a...

Learn More 5 0Feb 23 '23

Documenting a Crystal open source project

This post is a quick overview of how Crystal lang built-in documentation features work and an easy...

Learn More 19 2Feb 21 '23

Deploy a Crystal app with Docker and Opentelemetry

This is the continuation of the previous post in this series about a Battlesnake server. ...

Learn More 9 1Feb 15 '23

Learning Crystal with Battlesnake

Recently I've been interested in Crystal lang so I worked on a Battlesnake implementation to get more...

Learn More 13 3Feb 14 '23

Using Chart.js plugins with webpack

This post shares the steps I took to include Chart.js with candlestick charts (using a plugin) on my...

Learn More 8 0Jul 3 '22

Integrating the Passport with the Forem Ecosystem

This is the second post of a series that covers the new Forem Passport service provider, which...

Learn More 25 5Dec 6 '21

Forem’s Approach to Decentralized Authentication and Authorization

This is the first part in a series that will cover the new Forem Passport service provider, which...

Learn More 31 2Dec 6 '21

Updates to TLS in the foreseeable future

This is a #watercooler post because I'm not sharing any news about future updates to TLS 😅. I'm actua...

Learn More 5 2Jan 8 '21

Everybody hates CSRF

The title of this post is a reference to the Everybody hates Chris TV show, which felt punny and...

Learn More 37 3Sep 8 '20

Do you pay for any indie software?

Do you pay for any indie software?

Learn More 20 22Apr 26 '20

libusb backend for adb on macOS

The Android Studio option that took away my sleep for a week

Learn More 20 1Apr 12 '20

I support women devs

I want to be an ally for self-identifying women and non-binary folks. The approach to International...

Learn More 9 0Mar 8 '20

Browsing a localhost server from any device in your LAN

An example for how to access a localhost server from any device in your LAN

Learn More 69 8Mar 2 '20

I just joined the DEV team!

I just joined the DEV team!

Learn More 56 25Feb 3 '20

Elastic Beanstalk Apps using Docker Containers

A walkthrough of lessons learned from hosting a project on Elastic Beanstalk using Docker Containers as deployment strategy

Learn More 16 2Dec 25 '19

Customizing Jekyll themes

I gave customizing a Jekyll theme a try instead of coding it from scratch and learned a thing or two along the way

Learn More 11 0Dec 13 '19

Reminders

This blog post talks about a topic/area I don't usually write much about: #productivity Ideas pop in...

Learn More 3 0Nov 16 '19

PostgreSQL backups to S3 with retention limits

This will be a walkthrough on how to backup a PostgreSQL DB to AWS S3 and easily enforce a retention limit

Learn More 11 0Nov 11 '19

Headless Chrome - Dual mode tests for Ruby on Rails

Quick walkthrough of Rails tests using Capybara & Selenium for Chrome, with and without the headless feature of chromedriver

Learn More 7 0Oct 30 '19

Martilla - A simple backup tool for simple everyday use

Martilla - A simple backup tool for simple everyday use

Learn More 9 2Oct 20 '19

Kubernetes integration with Rake tasks

Rake tasks for a convention based Kubernetes integration using Activek8s gem

Learn More 9 9Jun 3 '19

Tying Let's Encrypt and Docker Swarm together

A look into a working Docker Swarm topology with public facing services using automated Let's Encrypt certificate renewal

Learn More 19 9Aug 10 '18

Learning Rails in 2017

These are some notes from my experience on learning Ruby on Rails (in 2017).

Learn More 35 10Jun 15 '17

Hi, I'm Fernando Valverde

My introduction post

Learn More 4 1Jun 15 '17