Update dockerfile #18

	# This is a basic workflow to help you get started with Actions

	name: Build Docker Containers

	# Controls when the workflow will run
	on:
	push:
	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	docker-main:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	-
	name: Checkout
	uses: actions/checkout@v2
	-
	name: Docker meta
	id: meta
	uses: docker/metadata-action@v3
	with:
	images: ghcr.io/jozian/mailroom
	tags: \|
	type=ref,event=branch
	type=semver,pattern={{version}}
	type=semver,pattern={{major}}.{{minor}}
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	-
	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 and push Main Docker Image
	uses: docker/build-push-action@v2
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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