add host command line arg #2

	name: Build Image

	on:
	push:
	tags:
	- '[0-9]+.[0-9]+.[0-9]+rc[0-9]+'
	- '[0-9]+.[0-9]+.[0-9]+a[0-9]+'
	- '[0-9]+.[0-9]+.[0-9]+b[0-9]+'
	- '[0-9]+.[0-9]+.[0-9]+'
	- '[0-9]+.[0-9]+rc[0-9]+'
	- '[0-9]+.[0-9]+b[0-9]+'
	- '[0-9]+.[0-9]+a[0-9]+'
	- '[0-9]+.[0-9]+'

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.ref }} # checkout current branch
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Login to DockerHub
	uses: docker/login-action@v3
	with:
	username: ${{ vars.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	- name: Build ${{ github.ref_name }} Prod Image
	uses: docker/build-push-action@v5
	with:
	push: true
	tags: papermerge/west:${{ github.ref_name }}
	file: docker/Dockerfile
	platforms: linux/amd64

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