bug fix, argument check prevented program from running #80

	name: Publish Docker image

	# on: push
	# on: pull_request
	# on:
	# push:
	# branches:
	# - master

	# Adding "git push origin <tag>" made it trigger the workflow twice.
	# So, only pushing schema tags with 'v' prefix triggers workflow.
	on:
	push:
	tags:
	- 'v[0-9]+.[0-9]+.[0-9]+'

	jobs:
	buildx:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	# Required if building multi-arch images
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2

	- id: buildx
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	with:
	buildkitd-flags: --debug
	install: true

	- name: Login to DockerHub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Docker metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}
	# generate Docker tags based on the following events/attributes
	tags: \|
	type=ref,event=branch
	type=semver,pattern={{version}}
	type=semver,pattern={{major}}.{{minor}}
	type=semver,pattern={{major}}

	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	file: docker/Dockerfile
	platforms: linux/amd64,linux/arm64
	push: true
	labels: ${{ steps.meta.outputs.labels }}
	tags: ${{ steps.meta.outputs.tags }}

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