stacker [](https://github.com/project-stacker/stacker/actions/workflows/ci.yaml) [](https://codecov.io/github/project-stacker/stacker) [](https://github.com/project-stacker/stacker/actions?query=workflow%3ACodeQL) [](https://pkg.go.dev/stackerbuild.io/stacker) [](https://github.com/project-stacker/stacker/actions/workflows/nightly.yaml)
February 4, 2025 ยท View on GitHub
stacker 
Stacker is a tool for building OCI images natively via a declarative yaml format.
Features
- Single binary
- Rootless builds
- Hermetically sealed builds using LXC containers
- Also available as a GitHub action
Installation
Stacker has various build and runtime dependencies.
Hacking
See the hacking guide for tips on hacking/debugging stacker.
Usage
See the tutorial for a short introduction to how to use stacker.
See the stacker.yaml specification for full details on
the stacker.yaml specification.
Additionally, there are some tips and tricks for common usage.
TODO / Roadmap
- Upstream something to containers/image that allows for automatic detection of compression
- Design/implement OCIv2 drafts + final spec when it comes out
Conference Talks
- An Operator Centric Way to Update Application Containers FOSDEM 2019
- Building OCI Images without Privilege OSS EU 2018
- Building OCI Images without Privilege OSS NA 2018
(Note that despite the similarity in name of the 2018 talks, the content is mostly disjoint; I need to be more creative with naming.)
License
stacker is released under the Apache License, Version 2.0, and is:
Copyright (C) 2017-2022 Cisco Systems, Inc. and contributors