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node-feature-discovery/docs/deployment/image-variants.md

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docs: restructure docs Introduce two main sections "Deployment" and "Usage" and move "Developer guide" to the top level, too. In particular, split the huge deployment-and-usage file into multiple parts under the new main sections. Move customization guide from "Advanced" to "Usage". This patch also renames "Advanced" to "Reference" as only that is left there is reference documentation.
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---
title: "Image variants"
layout: default
sort: 1
---
# Image variants
{: .no_toc}
---
images: base the default image on distroless/base Make distroless/base as the base image for the default image, effectively making the minimal image as the default. Add a new "full" image variant that corresponds the previous default image. The "*-minimal" container image tag is provided for backwards compatibility. The practical user impact of this change is that hook support is limited to statically linked ELF binaries. Bash or Perl scripts are not supported by the default image, anymore, but the new "full" image variant can be used for backwards compatibility.
2023-01-10 20:50:54 +02:00
NFD currently offers two variants of the container image. The "minimal" variant is
docs: restructure docs Introduce two main sections "Deployment" and "Usage" and move "Developer guide" to the top level, too. In particular, split the huge deployment-and-usage file into multiple parts under the new main sections. Move customization guide from "Advanced" to "Usage". This patch also renames "Advanced" to "Reference" as only that is left there is reference documentation.
2022-11-02 14:34:37 +02:00
currently deployed by default. Released container images are available for
x86_64 and Arm64 architectures.
## Minimal
This is a minimal image based on
Build statically linked binaries Switch to fully statically linked binaries and use scratch as a base image. Switching to the virtually empty scratch base image means that the default/minimal NFD image only supports running hooks that are truly statically linked (e.g. normal go binaries that are "almost" statically linked stop working). The documentation has been already stating this (i.e. that only statically-linked binaries are supported) - i.e. we have had no promise of supporting other than that. Also, hooks are now deprecated and even disabled by default so the possibility of real user impact should be small.
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[scratch](https://hub.docker.com/_/scratch)
docs: restructure docs Introduce two main sections "Deployment" and "Usage" and move "Developer guide" to the top level, too. In particular, split the huge deployment-and-usage file into multiple parts under the new main sections. Move customization guide from "Advanced" to "Usage". This patch also renames "Advanced" to "Reference" as only that is left there is reference documentation.
2022-11-02 14:34:37 +02:00
and only supports running statically linked binaries.
images: base the default image on distroless/base Make distroless/base as the base image for the default image, effectively making the minimal image as the default. Add a new "full" image variant that corresponds the previous default image. The "*-minimal" container image tag is provided for backwards compatibility. The practical user impact of this change is that hook support is limited to statically linked ELF binaries. Bash or Perl scripts are not supported by the default image, anymore, but the new "full" image variant can be used for backwards compatibility.
2023-01-10 20:50:54 +02:00
For backwards compatibility a container image tag with suffix `-minimal`
(e.g. `{{ site.container_image }}-minimal`) is provided.
## Full
This image is based on [debian:bullseye-slim](https://hub.docker.com/_/debian)
and contains a full Linux system for running shell-based nfd-worker hooks and
doing live debugging and diagnosis of the NFD images.
The container image tag has suffix `-full`
(e.g. `{{ site.container_image }}-full`).
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