docs: add note about running docker (#154) #29

	name: Build Docker Image

	on:
	push:
	branches: [main]
	workflow_dispatch:

	jobs:
	deploy:
	if: ${{ vars.DEPLOY_WITH_DOCKER }}
	runs-on: ubuntu-latest

	strategy:
	matrix:
	node-version: [18.x]

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v3
	with:
	node-version: ${{ matrix.node-version }}

	- name: Install npm dependencies
	run: npm ci

	- name: Install PHP dependencies with Composer
	uses: php-actions/composer@v6
	with:
	php_version: '8.1'
	version: 2.x

	- name: Run tests
	run: npm test

	- name: Build theme
	run: npm run build:prod

	- name: 'Login to GitHub Container Registry'
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{github.actor}}
	password: ${{secrets.GITHUB_TOKEN}}

	- name: 'Build Inventory Image'
	run: \|
	docker build . --tag ghcr.io/sparkbox/sparkpress:latest
	docker push ghcr.io/sparkbox/sparkpress:latest

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