Rename development to main in GitHub actions #59

	name: Docker CI

	# Controls when the workflow will run
	on:
	push:
	branches: [ main ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	env:
	REGISTRY: ghcr.io

	jobs:
	# build the production Docker image using information from
	# https://github.com/marketplace/actions/build-and-push-docker-images
	docker:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	-
	name: Login to github docker registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	-
	name: Build and push
	id: docker_build
	uses: docker/build-push-action@v4
	with:
	push: true
	# usage of image in a Dockerfile: ghcr.io/devdaydresden/devday_website:latest
	tags: ${{ env.REGISTRY }}/${{ github.repository }}:latest

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