chore(deps): bump alpine from 3.19.1 to 3.20.0 (#228) #82

	---
	name: publish-image
	on:
	push:
	# Publish `master` as `latest` image tag.
	branches:
	- master
	# Publish `v1.2.3` tags as releases.
	tags:
	- v*

	env:
	IMAGE_NAME: ingress-monitor-controller

	jobs:
	publish-image:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Build image
	run: docker build -f Dockerfile -t $IMAGE_NAME .

	- name: Login to ghcr.io
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ghcr.io -u ${{ github.actor }} --password-stdin

	- name: Push image
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

	# Change all uppercase to lowercase
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')

	# Strip git ref prefix from version
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')

	# Use Docker `latest` tag convention for `master` branch
	if [ "$VERSION" == "master" ]; then
	VERSION=latest
	fi

	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION

	docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

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