Use github docker registry instead of dockerhub. #4

	name: Publish docker image
	on:
	push:
	# branches: [ dev ]
	tags:
	- v*

	jobs:
	push_to_registry:
	name: Push Docker image to GitHub Packages
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	- name: Check out the repo
	uses: actions/checkout@v2
	- name: Log in to GitHub Docker Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build & push docker image
	run: bash build-docker.sh --push
	shell: bash

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