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Golang UK Conf. 2016 - Liz Rice - What is a container, really? Let's write one in Go from scratch

GopherCon UK · talk · Watch on YouTube

C, C++, Rust, Go & systems languagesOperating systems & kernelsCloud, DevOps & reliability

What it is

Liz Rice builds a container from scratch in about 100 lines of Go, showing that a container is not a lightweight VM but a set of Linux kernel features and flags.

Why Hacker News recommends it

HN recommends it as an accessible way to remove the magic from Docker and understand how containers work.

  • 3 people recommended it
  • 5 different months
  • 0 strong recommendations
  • first 2016, last 2019

What HN commenters said

  1. “I recommend this accessible presentation on how to write a poor-mans Docker by hand[1] to remove some of the magic behind containers.”

    Accessible presentation on building a poor-man's Docker by hand.

    e1g, 2016-10 · Recommendation · in “Dropping Linux capabilities to improve container security”

  2. “I started by watching and reading”

    A starting point for learning how containers work.

    archevel, 2016-12 · Recommendation · in “Linux Container Internals”

  3. “There's also this one, which is similar”

    Similar talk on how containers work, alongside Frazelle's.

    hardwaresofton, 2017-12 · Recommendation · in “Ask HN: Good resources on learning how docker works under the hood?”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: containers, docker, go, namespaces, linux

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