Update README.md #2

	name: Docker

	on:
	push:
	# Publish `master` as Docker `latest` image.
	branches:
	- master

	env:
	# TODO: Change variable to your image's name.
	IMAGE_NAME: bitcoin-cat

	jobs:
	# Push image to GitHub Packages.
	# See also https://docs.docker.com/docker-hub/builds/
	push:
	runs-on: ubuntu-latest
	if: github.event_name == 'push'
	env:
	DOCKER_CLI_EXPERIMENTAL: "enabled"

	steps:
	- uses: actions/checkout@v2

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1

	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1
	with:
	install: true

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build image
	run: >-
	docker buildx build --push
	--tag ghcr.io/vulpemventures/$IMAGE_NAME:latest
	--platform linux/arm64,linux/amd64 .

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