Update docker-php7.4.yml #12

	name: Build & Publish Docker Image

	on:
	push:
	branches:
	- master

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Set output
	id: vars
	run: echo ::set-output name=tag::$
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	push: true
	tags: diouxx/glpi:latest

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