Software Development, Explained

I build backend systems in Go and turn what I learn into practical, no-fluff courses and YouTube videos — real code, real trade-offs, no filler.

I’m @kovalevsky — a software developer, author, and educator.

Courses

Practical, production-focused courses for backend engineers.

18h 18m 67 lessons

Go Backend Development: Build & Deploy a REST API

Golang backend for beginners — build a production REST API with Postgres, Docker & deploy to Google Cloud.

  • Go
  • REST API
  • Docker
  • Google Cloud
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Free 5h 48m 11 lessons

Introduction to Docker & Docker Compose for Golang Developers Course

Learn Docker and Docker Compose from scratch — containerize a Go API, connect it with Postgres, and understand what you're doing.

  • Docker
  • Go
  • PostgreSQL
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Videos

Programming tutorials and deep dives from the YouTube channel.

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Build a Go HTTP RESTful API — Part 1

Setting up a Go HTTP server from scratch and writing your first "Hello World" endpoint — no frameworks, just the standard library.

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Newsletter issues

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// about

@kovalevsky

Software developer · Author · Educator

I build backend systems in Go and turn what I learn into practical, no-fluff courses and YouTube videos — real code, real trade-offs, no filler.

kovalevsky