refactor: make entrypoint script more posix compliant #194

	name: Commit
	on: push

	jobs:
	docker:
	runs-on: ubuntu-latest
	name: Build docker image
	steps:
	- uses: actions/checkout@master

	- name: GitHub Package Registry
	uses: aevea/action-kaniko@master
	with:
	registry: ghcr.io
	password: ${{ secrets.GITHUB_TOKEN }}
	image: kaniko
	cache: true
	cache_registry: cache

	- name: Dockerhub
	uses: aevea/action-kaniko@master
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_PASSWORD }}
	image: aevea/kaniko
	cache: true
	cache_registry: aevea/cache

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