feat docker: build docker image with zstd compression #15

	name: Build and publish ubuntu-24.04-userver images

	'on':
	schedule:
	- cron: '30 5 * * 6' # Every Saturday at 5:30
	workflow_dispatch:
	pull_request:
	release:
	types: [published]

	jobs:
	build_and_publish_base:
	runs-on: ubuntu-24.04
	name: Build and publish base images
	permissions:
	contents: read
	packages: write
	env:
	USERVER_IMAGE_TAG: ${{ github.event.release.tag_name \|\| 'latest' }}
	steps:
	- uses: actions/checkout@v4
	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build the ubuntu-24.04-userver-base Docker image
	run: \|
	docker buildx create --name my-builder --driver docker-container
	docker buildx use my-builder
	docker buildx build \
	-f scripts/docker/ubuntu-24.04-base.dockerfile \
	--output type=image,name=ghcr.io/userver-framework/ubuntu-24.04-userver-base:${USERVER_IMAGE_TAG},oci-mediatypes=true,compression=zstd,force-compression=true,compression-level=20,push=true \
	.
	- name: Build the ubuntu-24.04-userver Docker image
	run: \|
	docker buildx use my-builder
	docker buildx build \
	-f scripts/docker/ubuntu-24.04-userver.dockerfile \
	--output type=image,name=ghcr.io/userver-framework/ubuntu-24.04-userver:${USERVER_IMAGE_TAG},oci-mediatypes=true,compression=zstd,force-compression=true,compression-level=20,push=true \
	.

Provide feedback