https://archive.fosdem.org/2020/schedule/event/guix/

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  * Guix: Unifying provisioning, deployment, and package management
    in the age of containers

Guix: Unifying provisioning, deployment, and package management in
the age of containers

  * Track: Containers and Security
  * Room: K.1.105 (La Fontaine)
  * Day: Saturday
  * Start: 17:00
  * End: 17:50


[guix-ae592]

This talk will reflect on what GNU Guix has to offer to users and how
it compares to other approaches--from CONDA and pip to Flatpak and
Docker. Guix is not only a transactional package manager and
declarative GNU/Linux distribution: it's also an environment manager,
a container provisioning tool, and more. We will describe these tools
and our journey to 1.0, emphasizing key properties that set Guix
apart: reproducibility, transparency, and hackability.

When it comes to software deployment, we are getting used to a new
distribution of roles among many actors: traditional distros take
care of core software pieces, "application bundles" a la Docker/
Flatpak provide complex applications, Cabal, Gem, npm, pip, and
friends take care of language-specific software, and Puppet/Ansible
orchestrate the whole thing. Each of these tools has its
justification, but the end result is a maze that's hard to deal with.

In this talk I will present GNU Guix, a software deployment toolbox
and its associated distro that feature transactional upgrades and
rollbacks, declarative OS deployment inspired by Nix, and
reproducible builds. I will show how Guix approaches a variety of use
cases: "package management" a la apt-get, environment management a la
VirtualEnv, Ansible-style declarative OS deployment, and container
provisioning a la Docker.

Guix emphasizes programmability and one of its salient features is
that it provides a unified Scheme programming environment to deal
with with all the aspects of configuration, deployment, and system
management--including service management by PID 1. I will illustrate
how this works out on standalone Guix systems, and show the benefits
of the approach by discussing applications that take advantage of
Guix as a library to support reproducible software deployment.

Last, I will reflect on the road that led to Guix 1.0 six months ago
and present some of the challenges ahead.

Speakers

 Ludovic Courtes

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