Fix #22

	on:
	push:
	branches:
	- master
	create:
	tags:
	jobs:
	build:
	name: Build Project
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	with:
	ref: ${{ github.ref }}
	- name: Build docker images
	run: docker build . -t local -f .devcontainer/Dockerfile
	- name: Build
	run: docker run -v $GITHUB_WORKSPACE:/srv -w/srv local make
	- name: Clean
	run: docker run -v $GITHUB_WORKSPACE:/srv -w/srv local /bin/bash -c 'find . -type f ! -iname "*.pdf" -delete'
	- name: Upload artifacts
	uses: actions/upload-artifact@v2
	with:
	name: pdf
	path: build/
	if-no-files-found: error
	release:
	name: Create Release
	needs: build
	runs-on: ubuntu-latest
	if: startsWith(github.ref, 'refs/tags')
	steps:
	- name: Create Release
	id: create_release
	uses: actions/create-release@v1
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
	with:
	tag_name: ${{ github.ref }}
	release_name: Release ${{ github.ref }}
	draft: false
	prerelease: false
	- name: Download artifacts
	uses: actions/[email protected]
	with:
	name: pdf
	path: dist
	- name: Upload Exercises
	id: upload-pdf-exercises
	uses: svenstaro/upload-release-action@v2
	with:
	repo_token: ${{ secrets.GITHUB_TOKEN }}
	file: dist/*.pdf
	tag: ${{ github.ref }}
	overwrite: true
	file_glob: true

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