Merge pull request #753 from twin-te/hotfix/course-editing-submit-but… #3

	name: docker (staging)

	on:
	push:
	branches:
	- main

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	-
	name: Checkout
	uses: actions/checkout@v2
	-
	name: Docker meta
	id: docker_meta
	uses: crazy-max/ghaction-docker-meta@v1
	with:
	images: ghcr.io/twin-te/twinte-front
	tag-custom: stg
	tag-custom-only: true
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	-
	name: Cache Docker layers
	uses: actions/cache@v2
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-
	-
	name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}
	-
	name: Build and push
	uses: docker/build-push-action@v2
	with:
	context: .
	file: staging.Dockerfile
	push: true
	tags: ${{ steps.docker_meta.outputs.tags }}
	labels: ${{ steps.docker_meta.outputs.labels }}
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache-new
	-
	# Temp fix
	# https://github.com/docker/build-push-action/issues/252
	# https://github.com/moby/buildkit/issues/1896
	name: Move cache
	run: \|
	rm -rf /tmp/.buildx-cache
	mv /tmp/.buildx-cache-new /tmp/.buildx-cache

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