Create docker.yml (#142) #1

	name: ci

	on:
	push:
	branches:
	- 'master'

	jobs:
	docker:
	runs-on: ubuntu-latest
	services:
	registry:
	image: registry:2
	ports:
	- 5000:5000

	container: gitguardian/ggshield:latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	with:
	driver-opts: network=host
	- name: Build and push to local registry
	uses: docker/build-push-action@v2
	with:
	context: .
	push: true
	tags: localhost:5000/gitguardian/ggshield:latest
	- name: Scan image
	run: \|
	ggshield secret scan docker localhost:5000/gitguardian/ggshield:latest

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