feat(img): custom image build cache (#5) #4

	name: publish to Pypi

	on:
	push:
	tags:
	- v*

	jobs:
	publish:
	name: build and publish to PyPi
	runs-on: ubuntu-latest
	permissions:
	id-token: write
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.9'

	- name: Install poetry
	uses: snok/install-poetry@76e04a911780d5b312d89783f7b1cd627778900a
	with:
	version: 2.1.2
	virtualenvs-create: true
	virtualenvs-in-project: true

	- name: Set build hash
	run: \|
	HASH=${{ github.sha }}
	sed -i -e 's\|^__build_hash__ = "unknown"\|__build_hash__ = "'$HASH'"\|' sandock/_version.py
	cat sandock/_version.py

	- name: Build a binary wheel and a source tarball
	run: \|
	poetry build

	- name: Publish dist package
	if: startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@76f52bc884231f62b9a034ebfe128415bbaabdfc
	with:
	packages_dir: dist/

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