Dockerfile

Concept

A plain-text file that lists the instructions for building a Docker image, one instruction per line, with each step producing a layer.

Title graphic: Dockerfile (Concept)

Type	Concept

Episodes about Dockerfile

Docker and Containers - Simply Explained

2026-10-26 · Video on YouTube

Learn what Docker and containers actually do, how images and layers work, and why they beat virtual machines in this jargon-free, beginner guide. Docker is the most-used tool in cloud development, and it's not even close. You've probably heard the word thrown…

Articles about Dockerfile (1)

Streamlining Your Workflow: Automating CI Pipelines with Docker and GitHub Actions
2026-08-12 · Mirko Peters
Welcome back to the podcast! If you have ever stared blankly at your monitor wondering why code that ran perfectly on your local machine is currently melting your p…

Frequently asked questions

What is a Dockerfile?

A Dockerfile is the set of instructions for building an image, which is your app packed with everything it needs. Images are built in layers and stored in registries, where they live and travel. · From the episode: Docker and Containers - Simply Explained

Glossary

Community wiki

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Sources

Profile: docs.docker.com/reference/dockerfile
Feed for this topic (RSS): entity/dockerfile/feed.xml
M365.FM episodes on this topic: 1
Articles on this topic: 1

Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-03