chore: Update README.md / bakta version #175

	name: Docker

	on:
	push:
	# Publish `main` as Docker `latest` image.
	branches:
	- main

	# Publish `v1.2.3` tags as releases.
	tags:
	- v*

	env:
	# TODO: Change variable to your image's name.
	IMAGE_NAME: bakta-web-backend

	jobs:

	# Push image to GitHub Packages.
	# See also https://docs.docker.com/docker-hub/builds/
	push:

	runs-on: ubuntu-latest
	if: github.event_name == 'push'

	steps:
	- uses: actions/checkout@v2

	- name: Build image
	run: docker build . --file Dockerfile --tag $IMAGE_NAME


	- name: Push image to github registry
	run: \|
	# Strip git ref prefix from version
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')

	# Strip "v" prefix from tag name
	[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')

	# Use Docker `latest` tag convention
	[ "$VERSION" == "main" ] && VERSION=latest

	echo IMAGE_ID=harbor.computational.bio.uni-giessen.de/bakta/bakta-web-backend
	echo VERSION=$VERSION

	echo "${{ secrets.HARBOR_PW }}" \| docker login harbor.computational.bio.uni-giessen.de -u '${{ secrets.HARBOR_USER }}' --password-stdin

	HARBOR_IMAGE_ID=harbor.computational.bio.uni-giessen.de/bakta/bakta-web-backend

	docker tag $IMAGE_NAME $HARBOR_IMAGE_ID:$VERSION
	docker push $HARBOR_IMAGE_ID:$VERSION

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