Publish vLLM CPU images #18

	name: Publish vLLM CPU images

	on:
	# NOTE(sd109): Since this is checking out an external
	# it's probably safer to leave this as workflow dispatch
	# only so that we can manually build images from specific
	# refs rather than automatically pulling in the latest
	# content from the remote repo.
	workflow_dispatch:
	inputs:
	vllm_ref:
	type: string
	description: The vLLM GitHub ref (tag, branch or commit) to build.
	required: true

	jobs:
	build_push_image:
	name: Build and push image
	runs-on: ubuntu-latest
	permissions:
	contents: read
	id-token: write # needed for signing the images with GitHub OIDC Token
	packages: write # required for pushing container images
	security-events: write # required for pushing SARIF files
	strategy:
	matrix:
	platform:
	- linux/amd64
	- linux/arm64
	steps:
	- name: Check out the vLLM repository
	uses: actions/checkout@v5
	with:
	repository: vllm-project/vllm
	ref: ${{ inputs.vllm_ref }}

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push image
	run: \|
	IMAGE=ghcr.io/stackhpc/vllm-cpu:${{ inputs.vllm_ref }}${{ matrix.platform == 'linux/amd64' && '' \|\| '-arm64' }}
	docker buildx build --platform ${{ matrix.platform }} -f docker/Dockerfile.cpu -t $IMAGE --shm-size=4g .
	docker push $IMAGE

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