Merge pull request #141 from camicroscope/viewer-mach-wf #83

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.

	name: Container Publish

	on:
	push:
	branches: ['master', 'develop', 'fda/htt']

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

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Get branch name (merge)
	if: github.event_name != 'pull_request'
	shell: bash
	run: echo "BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/} \| tr / -)" >> $GITHUB_ENV

	- name: Get branch name (pull request)
	if: github.event_name == 'pull_request'
	shell: bash
	run: echo "BRANCH_NAME=$(echo ${GITHUB_HEAD_REF} \| tr / -)" >> $GITHUB_ENV

	- name: Debug branch name steps
	run: echo ${{ env.BRANCH_NAME }}

	- name: Log in to the Container registry
	uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push Docker image
	uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
	with:
	context: .
	build-args: \|
	"viewer=${{ env.BRANCH_NAME }}"
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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