feat(nix): Nix support via flake #81

	name: Build

	on:
	workflow_dispatch:
	push:
	branches:
	- 'master'
	pull_request:
	branches:
	- 'master'
	env:
	# Use docker.io for Docker Hub if empty
	REGISTRY: ghcr.io
	# github.repository as <account>/<repo>
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2

	- uses: actions/setup-go@v4
	with:
	go-version-file: 'go.mod'

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	with:
	driver-opts: \|
	image=moby/buildkit:v0.10.6

	- name: Log in to the Container registry
	uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v4
	with:
	# list of Docker images to use as base name for tags
	images: \|
	ghcr.io/cottand/grimd
	tags: \|
	type=schedule
	type=ref,event=branch
	type=sha

	- name: Build and push
	uses: docker/build-push-action@v4
	with:
	push: true
	context: .
	file: docker/slim.Dockerfile
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	platforms: linux/amd64, linux/arm64
	cache-from: type=gha
	cache-to: type=gha,mode=max

	- name: Summary
	run: \|
	echo "Published: \`${{ steps.meta.outputs.tags }}\`" >> $GITHUB_STEP_SUMMARY

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