Check out repo #4

	name: Ubuntu

	on:
	push:

	env:
	DOCKER_REGISTRY: ghcr.io

	jobs:
	# Build the Docker image for Ubuntu using different versions of GCC.
	gcc:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	version:
	- os: jammy
	gcc: 12
	- os: noble
	gcc: 14
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Login to GitHub Container Registry
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ${DOCKER_REGISTRY} -u ${{ github.actor }} --password-stdin
	- name: Build the Docker image
	working-directory: docker/ubuntu
	run: \|
	DOCKER_BUILDKIT=1 docker build . \
	--target gcc \
	--build-arg UBUNTU_VERSION=${{ matrix.version.os }} \
	--build-arg GCC_VERSION=${{ matrix.version.gcc }} \
	--tag ${{ github.event.repository.name }}/${{ matrix.version.os }}:gcc${{ matrix.version.gcc }}

	# Build the Docker image for Ubuntu using different versions of Clang.
	clang:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	version:
	- os: noble
	clang: 18
	- os: noble
	clang: 19
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Login to GitHub Container Registry
	run: \|
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ${DOCKER_REGISTRY} -u ${{ github.actor }} --password-stdin
	- name: Build the Docker image
	working-directory: docker/ubuntu
	run: \|
	DOCKER_BUILDKIT=1 docker build . \
	--target clang \
	--build-arg UBUNTU_VERSION=${{ matrix.version.os }} \
	--build-arg CLANG_VERSION=${{ matrix.version.clang }} \
	--tag ${{ github.event.repository.name }}/${{ matrix.version.os }}:clang{{ matrix.version.clang }}

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