Update 2019-03-04-tutorial.md dataset link #52

	name: docker

	on:
	push:
	branches:
	- 'master'
	release:
	types: [created]

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Branch name
	id: branch_name
	run: \|
	SOURCE_TAG=${GITHUB_REF#refs/tags/} # Get tag

	if [ "$SOURCE_TAG" == "refs/heads/master" ]
	then
	SOURCE_TAG=latest # Set tag to 'latest' if not a release
	fi

	echo ::set-output name=SOURCE_TAG::$SOURCE_TAG
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	with:
	install: true
	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	push: true
	platforms: linux/amd64,linux/arm64
	tags: inmap/inmap:${{ steps.branch_name.outputs.SOURCE_TAG }}

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