Added g++14, Clang 17/18/19. Updated base image to Ubuntu 24.04 #8

	name: Build and Publish

	on:
	# run it on push to the default repository branch
	push:
	branches: [master]
	# run it during pull request
	pull_request:

	jobs:
	# define job to build and publish docker image
	build:
	name: Build Docker image and push to repositories
	# run only when code is compiling and tests are passing
	runs-on: ubuntu-latest

	# steps to perform in job
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	# setup Docker buld action
	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to DockerHub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Build image and push to Docker Hub
	uses: docker/build-push-action@v6
	with:
	# relative path to the place where source code with Dockerfile is located
	context: ./
	# Note: tags has to be all lower-case
	tags: \|
	madduci/docker-linux-cpp:latest
	madduci/docker-linux-cpp:2.0
	# build on feature branches, push only on master branch
	push: ${{ github.ref == 'refs/heads/master' }}

	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

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