📰 Dev.to · Javi Palacios

Learn to open shells inside containers, run commands in live containers with docker exec, copy files with docker cp, and know when to use interactive vs. detach

What exactly is a Docker image, how are layers stacked, and what happens to a container when it stops? The image-container relationship is the mental model ever

Install Docker on Linux, macOS, or Windows and run your first container. Docker's architecture, the image vs container distinction, and the essential commands t

Understand the problem containers solve before touching a single command. The evolution of software deployment: from physical servers to virtual machines to con

Learn to send and receive changes in Git with git push and git fetch. Understand the difference between fetch and pull, how to use --force-with-lease, and why g