Stacker Build and Push Action

stacker-build-push-action natively builds OCI container images via a declarative yaml format using stacker and publishes them to OCI conformant registries.

For more information about stacker tool see: https://github.com/project-stacker/stacker

Action Inputs

Input Name	Type	Description	Default
file	string	the yaml file to be built as an OCI image, example: stacker.yaml	stacker.yaml
layer-type	list	output layer type (supported values: tar, squashfs), can be both separated by whitespace	tar
build-args	list	the list of build-time arguments (subtitutes) separated by newline, see stacker.yaml doc	None
url	string	remote OCI registry + repo name eg: docker://ghcr.io/project-stacker/	None
tags	list	one or more tags to give the new image, separated by whitespace	None
username	string	used to login to registry	None
password	string	used to login to registry	None
skip-tls	bool	used with unsecure (http) registries	false
token	string	github token used to authenticate against a repository for Git context	${{ github.token }}

Build only example:

- name: Run stacker-build
  uses: project-stacker/stacker-build-push-action@main
  with:
    file: 'test/stacker.yaml'
    build-args: |
      SUB1=VAR1
      SUB2=VAR2
      SUB3=VAR3
    layer-type: 'tar squashfs'

Publish url is built according to the next logic:

input.url + stacker.yaml container name + : + input.tag

Build and push example to ghcr.io:

- name: Run stacker-build
  uses: project-stacker/stacker-build-push-action@main
  with:
    file: 'test/stacker.yaml'
    build-args: |
      SUB1=VAR1
      SUB2=VAR2
      SUB3=VAR3
    layer-type: 'tar squashfs'
    tags: ${{ github.event.release.tag_name }} latest
    url: docker://ghcr.io/${{ github.repository }}
    username: ${{ github.actor }}
    password: ${{ secrets.GITHUB_TOKEN }}

The above action will build test/stacker.yaml and push it to

1. docker://ghcr.io/project-stacker/stacker/test:latest
2. docker://ghcr.io/project-stacker/stacker/test:${{ github.event.release.tag_name }}

Build and push example to localhost:

- name: Run stacker-build
  uses: project-stacker/stacker-build-push-action@main
  with:
    file: 'test/stacker.yaml'
    build-args: |
      SUB1=VAR1
      SUB2=VAR2
      SUB3=VAR3
    layer-type: 'tar squashfs'
    url: docker://localhost:5000
    skip-tls: true
    tags: test

The above action will build test/stacker.yaml and push it to

1. docker://localhost:5000/test:test