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Welcome to Training Stack

Joel Tejeda

27 Feb 2026 — 1 min read

I created Training Stack as a way to document the steps I’ve taken while solving real-life production problems. Over time, I realized that the biggest growth didn’t come from tutorials, but from researching issues, understanding the why behind them, and eventually getting things to work in real environments. I enjoy learning new things and helping others do the same — and this blog is a way to share that process.

This blog focuses on DevOps, AWS, programming, and IT in general. I’ll break down real-world problems I’ve faced, explain the steps I took to solve them, and share the solutions that worked for me — in the hope that they can help you solve yours.

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While the main focus is cloud and infrastructure, I’ll occasionally step outside of pure tech. Gaming, sports, productivity, and lessons about growth and discipline all play a role in how we improve. Technology is a big part of my life, but it’s not the only part — and sometimes the best insights come from outside the terminal.

Over the years, I’ve worked across multiple areas of IT — including DevOps, cybersecurity, full-stack development, and on-premise networking infrastructure. I’ve deployed applications to production, monitored live systems, and developed features running in environments where uptime and reliability matter. That hands-on experience across different layers of the stack has shaped how I approach problem-solving: understand the system, research the “why,” and build solutions that actually work.

Training Stack is a long-term project — a place to document growth, share solutions, and explore how things really work behind the scenes. If you're on a similar path — building, breaking, fixing, and learning — welcome to the stack.

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Ghost Blog como contenedor: Solucionando el error de “Content Must Be Served Over HTTPS” Mixed Content Error

Elegir Postgres vs Mysql

Containers vs Traditional Server Installs: Which Should You Use?

Beginner Guide Using Bash