drop container env for project ref (#39) #22

	name: C/C++ Build CI

	on:
	push:
	tags: [ "v*" ]
	pull_request:
	branches: [ master ]

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build:
	runs-on: ubuntu-latest

	permissions:
	contents: read
	packages: write

	steps:
	- uses: actions/checkout@v3

	- uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata for Docker
	id: meta
	uses: docker/metadata-action@v3
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push the Docker image
	uses: docker/build-push-action@v4
	with:
	context: .
	file: ./Containerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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