Merge pull request #180 from c4dt/fix-docker #295

	name: Build docker

	on:
	push:
	branches:
	- main
	pull_request:
	types: [opened, synchronize, reopened, ready_for_review]

	jobs:
	build-docker:
	name: Build D-Voting Docker images
	runs-on: ubuntu-22.04
	env:
	DockerTag: latest
	push: ${{ (github.ref == 'refs/heads/main') && 'true' \|\| 'false' }}

	steps:
	- name: Checkout
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Set env
	run: \|
	git describe --tags
	echo "REACT_APP_VERSION=$(git describe --tags --abbrev=0)" >> $GITHUB_ENV
	echo "REACT_APP_BUILD=$(git describe --tags)" >> $GITHUB_ENV
	echo "REACT_APP_BUILD_TIME=$(date)" >> $GITHUB_ENV
	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1
	- name: Login to GHCR
	if: ${{ env.push == 'true' }}
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build Frontend
	uses: docker/build-push-action@v2
	with:
	context: .
	file: Dockerfiles/Dockerfile.frontend
	platforms: linux/amd64
	build-args: \|
	REACT_APP_VERSION
	REACT_APP_BUILD
	REACT_APP_BUILD_TIME
	push: ${{ env.push }}
	tags: ghcr.io/c4dt/d-voting-frontend:${{ env.DockerTag }}
	- name: Build Backend
	uses: docker/build-push-action@v2
	with:
	context: .
	file: Dockerfiles/Dockerfile.backend
	platforms: linux/amd64
	push: ${{ env.push }}
	tags: ghcr.io/c4dt/d-voting-backend:${{ env.DockerTag }}
	- name: Build D-Voting
	uses: docker/build-push-action@v2
	with:
	context: .
	file: Dockerfiles/Dockerfile.dela
	platforms: linux/amd64
	push: ${{ env.push }}
	tags: ghcr.io/c4dt/d-voting-dela:${{ env.DockerTag }}

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