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Nanolayer CLI

nanolayer helps keep container layers as small as possible.

It does so by automatically deleting any installation leftovers (such as apt-get update lists, ppas, etc)

Installation

pipx install nanolayer

GH Release installation:

Usage:

nanolayer install gh-release cli/cli gh

Example

FROM python:3.10

RUN apt-get -y update && apt-get install -y htop

layer size: 22MB

FROM python:3.10

RUN curl -sfL https://github.com/devcontainers-contrib/nanolayer/releases/download/v0.4.0/nanolayer-x86_64-unknown-linux-gnu.tgz | tar fxvz - -C / && \
    chmod 755 /tmp/nanolayer && ls /tmp && \
    /nanolayer install apt-get htop && \
    rm /nanolayer

Layer size: 1.6MB