Category: docker

🚀 Getting Started with React and Docker: A “Hello World” for Ruby Developers

May 2, 2025 In recent years, many Ruby and Ruby on Rails projects have adopted React for their front-end needs. Whether you're building a modern single-page application (SPA) or just enhancing parts of your Rails views, learning React can open up a new world of interactivity and frontend control. This article is my first step … Continue reading 🚀 Getting Started with React and Docker: A “Hello World” for Ruby Developers →

Creating a Ruby Gem Scaffold with Docker and PostgreSQL

March 25, 2025 Introduction When building a new Ruby gem, setting up a consistent and isolated development environment is crucial. In this article, I’ll walk you through how I set up a Docker-based scaffold for a Ruby gem, ensuring a clean and reproducible setup with PostgreSQL integration. 💎 Build & Distribute Your Own Ruby Gem! … Continue reading Creating a Ruby Gem Scaffold with Docker and PostgreSQL →

Handling File Transfers in a Heroku Environment with Net::SFTP

March 20, 2025 Daily readers, today’s article is a bit different. Usually, I dive into a specific Ruby or Ruby on Rails topic, but today, time is short, and I need to handle different tasks. So, I’ll share a quick but useful real-world problem I encountered. Need Help with a Heroku Project? Do you need … Continue reading Handling File Transfers in a Heroku Environment with Net::SFTP →

Streamline Your Ruby on Rails Development with Docker

March 12, 2025 Are you looking for a quick and efficient way to set up a complete Ruby on Rails development environment? With Docker, you can have a fully functional Rails stack—including PostgreSQL and all necessary configurations—up and running in just a few commands! For those interested in exploring how to Dockerize a Ruby on … Continue reading Streamline Your Ruby on Rails Development with Docker →

Building the Perfect Docker Image for Your Rails App

November 27, 2024 In the world of modern web development, Docker has become a staple tool for creating consistent, isolated, and portable environments. However, when it comes to Dockerizing your Rails application, it’s crucial to build an optimized Docker image to ensure fast builds, minimal image sizes, and secure deployments. In this guide, we’ll walk … Continue reading Building the Perfect Docker Image for Your Rails App →

Ruby, RVM and Docker: A Match Made in Dev Heaven (or Not?)

November 14, 2024 When it comes to managing multiple Ruby projects with different versions, developers are often caught between two powerful tools: RVM (Ruby Version Manager) and Docker. Each tool has its strengths, but which one is right for you? Let’s break down these technologies and throw in a couple of jokes to keep things … Continue reading Ruby, RVM and Docker: A Match Made in Dev Heaven (or Not?) →

Understanding Docker Image Tags: A Guide to Versions and Variants

December 18, 2024 Docker is a powerful tool that allows developers to package applications into containers, ensuring consistency across different environments. When working with Docker, you'll often encounter various image tags that help define the base image used for your containers. But what do these tags mean? In this article, we’ll break down the different … Continue reading Understanding Docker Image Tags: A Guide to Versions and Variants →

Are you programming, or are you still playing like you did at the beginning?

Regarding Python, I have extensive experience with MicroPython, Django, Matplotlib, Pandas, and so on. However, in the last few years, I have focused on Ruby on Rails and Ruby and miss using Jupyter. That said, with Ruby, you have tools like IRB, Rails console, Pry, RSpec, and all these amazing tools, so you don’t necessarily … Continue reading Are you programming, or are you still playing like you did at the beginning? →

Compartiendo mi Docker ggerman/games

#docker @docker Este container contiene algunos de los juevos viejos que a mi me apasionaban de chico. Para empaquetarlo utilize este tutorial: http://www.jamescoyle.net/how-to/1512-export-and-import-a-docker-image-between-nodes Para ser mas especifico esta linea: docker save ggerman/games > docker-games.tar Github ayuda: https://github.com/ggerman/docker-games https://github.com/ggerman/docker-games.git # bzip2 -d docker-games.tar.bz2 Para recuperarlo luego de bajarlo es con esta linea: (previa instalación de http://docs.docker.com/mac/started/ ) docker load … Continue reading Compartiendo mi Docker ggerman/games →