Git version (#1257) #776

	# Comment comment comment
	name: Docker Image Build & Push

	on:
	push:

	# Runs on every push on master branch
	branches:
	- master
	# Except when its just doc changes
	paths-ignore:
	- 'doc/**'
	# Runs when a tag following semantic versioning is pushed
	tags:
	- v*

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: chaos-polymtl/lethe
	CACHE_IMAGE_TAG: master

	jobs:
	docker:
	name: Build & Push Docker image
	runs-on: ubuntu-latest

	steps:
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Generate Docker Image Tags and Labels
	id: meta
	uses: docker/metadata-action@v3
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build & Push Docker Image
	uses: docker/build-push-action@v2.7.0
	with:
	push: true
	# Cache from the registry's most recent image
	cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.CACHE_IMAGE_TAG }}
	# Use generated tags and labels from the meta step
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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