Assemble minimal OCI images from declarative package configs with apko

SkillCloud & infra

This skill adds the ability to build minimal OCI images, the standard image format used by container tools, from declarative package configs. Instead of following a conventional Dockerfile flow, the AI works from a simple manifest that lists the packages an image should contain. The result is a small image whose contents are easy to review, which helps when supply-chain clarity matters.

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Details

Instructions available. Your AI can read the instructions. Execution depends on the setup they require.

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No other account needed.

Describe the packages you want in your image and ask the AI to write the manifest and build the image from it. Then check the resulting image contents to confirm only what you listed is included.

Assemble minimal OCI images from declarative package configs with apkoStart free

What your AI can do with it

Build small OCI images from declarative package manifests
Define image contents in a readable package config instead of a Dockerfile
Keep images limited to the exact packages listed in the manifest
Review what went into an image to support supply-chain clarity

What this skill tells your AI

The instructions your AI receives, as published by agentskillexchange/skills in skills/assemble-minimal-oci-images-from-declarative-package-configs-with-apko/SKILL.md and read by Ahel’s review.

Use apko to build small OCI images from declarative package manifests when supply-chain clarity and minimal contents matter more than a conventional Dockerfile flow.

Prerequisites

apko and access to the package sources and OCI output destination you intend to use

Installation

Use the upstream install or setup path that matches your environment:

brew install apko
go install chainguard.dev/apko@latest
docker run cgr.dev/chainguard/apko version
docker run -v "$PWD":/work cgr.dev/chainguard/apko build examples/alpine-base.yaml apko-alpine:edge apko-alpine.tar

Requirements and caveats from upstream:

or, with Docker:
You can then load the generated tar image into a Docker environment:

Basic usage or getting-started notes:

Fully reproducible by default. Run apko twice and you will get exactly the same binary.
Services. apko supports using the s6 supervision suite to run multiple processes
You can install apko from Homebrew:
Source: https://github.com/chainguard-dev/apko
Extracted from upstream docs: https://raw.githubusercontent.com/chainguard-dev/apko/HEAD/README.md

Documentation

https://edu.chainguard.dev/open-source/build-tools/apko/

Source

Agent Skill Exchange

Signals

GitHub stars: 51
Forks: 73
Last commit: Oct 2026

Ahel review

K1binfo
installs-packages

Automated review, not a security audit. Ruleset v1+k2.

Advanced

Item type: skill
Key: assemble-minimal-oci-images-from-declarative-package-0nl4qy4
Source: github.com/agentskillexchange/skills

github.com/agentskillexchange/skills