v2.1.2 #50

	name: Docker

	on:
	workflow_dispatch:
	inputs:
	tagInput:
	description: 'Tag'
	required: true

	release:
	types: [created]
	tags:
	- 'v*'

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	-
	name: Checkout
	uses: actions/checkout@v3
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	-
	name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Determine version tag
	id: version-tag
	run: \|
	INPUT_VALUE="${{ github.event.inputs.tagInput }}"
	if [ -z "$INPUT_VALUE" ]; then
	INPUT_VALUE="${{ github.ref_name }}"
	fi
	echo "::set-output name=value::$INPUT_VALUE"
	-
	name: Build and push
	uses: docker/build-push-action@v3
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: true
	tags: \|
	ghcr.io/basecamp/kamal:latest
	ghcr.io/basecamp/kamal:${{ steps.version-tag.outputs.value }}

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