tidy: nicer tag padding #39

	name: Build and Deploy Docker Image

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Install Nix
	uses: cachix/install-nix-action@v22
	with:
	nix_path: nixpkgs=channel:nixos-unstable

	- name: Build Docker Image
	run: \|
	nix build .#container
	docker load < $(nix path-info .#container)

	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Push Docker image to GitHub Container Registry
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository }}/webserver:latest
	docker tag $(docker images --format "{{.Repository}}:{{.Tag}}" \| head -n 1) $IMAGE_ID
	docker push $IMAGE_ID

	- name: Trigger Render Deployment
	run: \|
	curl -X POST ${{ secrets.RENDER_DEPLOY_HOOK }}

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