change empty var check for publicIP #31

	name: container-images


	on:
	push:
	branches: [ "main" ]
	tags: [ "v*" ]

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- uses: docker/setup-qemu-action@v1
	- uses: docker/setup-buildx-action@v1

	- run: echo "IMAGE_TAG=dev" >> $GITHUB_ENV
	if: github.ref_name == 'main'
	- run: echo "IMAGE_TAG=${GITHUB_REF##*/}" >> $GITHUB_ENV
	if: startsWith(github.ref, 'refs/tags/v')

	- name: Login to ghcr.io
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Login to docker.io
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_HUB_UID }}
	password: ${{ secrets.DOCKER_HUB_PAT }}

	- name: Build and push default image
	uses: docker/[email protected]
	with:
	context: . # Because GH actions are for kids and put protection on everything; https://stackoverflow.com/a/71159809/11276254
	push: true
	tags: \|
	ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
	${{ secrets.DOCKER_HUB_REPO }}:${{ env.IMAGE_TAG }}

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