Merge pull request #69 from Rebell81/fix-docker-python-version #83

	# reference: https://github.com/marketplace/actions/build-and-push-docker-images#git-context
	# reference: https://docs.docker.com/ci-cd/github-actions/
	name: on push ci

	on:
	repository_dispatch:
	workflow_dispatch:
	push:
	branches: [ master ]

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	-
	name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	-
	name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	push: true
	platforms: linux/386,linux/amd64,linux/arm/v7,linux/arm64/v8
	tags: ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:latest
	-
	name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

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