Build Rust Stable Image #3

	name: Build Rust Stable Image

	on:
	workflow_dispatch:
	inputs:
	toolchain:
	description: 'Specify the Rust toolchain version'
	required: true
	default: '1.78.0'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	IMAGE_PREFIX: ci-rust
	REGISTRY: ghcr.io/${{ github.repository }}

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Check Rust toolchain version exists
	id: check-toolchain
	uses: actions/setup-rust@v1
	with:
	rust-version: ${{ github.event.inputs.toolchain }}
	continue-on-error: true

	- name: Fail if toolchain version does not exist
	if: steps.check-toolchain.outcome != 'success'
	run: \|
	echo "Toolchain version ${{ github.event.inputs.toolchain }} does not exist."
	exit 1

	- name: Log in to the github container registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push image
	uses: docker/build-push-action@v5
	with:
	context: docker
	file: docker/rust_ci.Dockerfile
	push: true
	tags: \|
	${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}:${{ github.event.inputs.toolchain }}
	${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}:latest
	build-args: \|
	DEFAULT_TOOLCHAIN=${{ github.event.inputs.toolchain }}

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