nbval

Merge branch 'master' into review-next-steps #34

	name: nbval

	on:
	push:
	# all
	workflow_dispatch:

	jobs:
	docker-build-and-nbval:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- 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: ${{ runner.os }}-buildx-${{ hashFiles('poetry.lock') }}
	restore-keys: \|
	${{ runner.os }}-buildx-${{ hashFiles('poetry.lock') }}

	# This build and push step does the same thing as `make docker-build`, but
	# makes it easier to store and load caches, which is why we use it instead
	- name: Build and Save Layers Locally
	uses: docker/build-push-action@v2
	with:
	context: ./
	file: ./Dockerfile
	load: true
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache
	tags: python4compscience

	- name: List Available Images
	run: docker images

	- name: Run NBVAL over all chapters
	run: make docker-nbval

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