Topic

Articles about DevOps

2 articles · DevOps: practical guides, examples and explanations written by Aimran.

Web development

Docker: the difference between an image and a container, explained with commands

What a Docker image is, what a container is and how they relate, with the basic commands to create, list, stop and remove each one, plus the most frequent mistakes.

6 October 2026 3 min read

Developer tools

How to read and write a cron expression (with examples you can copy)

What each of the five fields of a cron expression means, what *, comma, hyphen and slash do, the mistakes that confuse most people and ready-made examples to copy.

6 October 2026 3 min read

Docker: the difference between an image and a container, explained with commands

How to read and write a cron expression (with examples you can copy)

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