chore: add health check #222

	name: Docker Build
	on:
	push:
	branches: [staging]

	jobs:
	build-containers:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Code
	uses: actions/checkout@v2

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Declare some variables
	id: vars
	shell: bash
	run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build
	uses: docker/build-push-action@v3
	with:
	file: ./Dockerfile
	context: .
	push: true
	tags: ghcr.io/${{ github.repository }}/celluloid:staging
	cache-from: type=gha
	cache-to: type=gha,mode=max
	build-args: \|
	COMMIT=${{ steps.vars.outputs.sha_short }}

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