Refactor CI workflow to build and push Docker image to DockerHub #17

	name: CI

	env:
	NODE_VERSION: 18

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

	permissions:
	issues: write
	pull-requests: write

	jobs:
	test:
	name: Unit tests & Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up NodeJS
	uses: actions/setup-node@v4
	with:
	node-version: ${{ env.NODE_VERSION }}

	- name: Install test dependencies
	run: yarn install --production=false --only=dev

	- name: Lint code
	run: yarn lint

	- name: Run Unit tests
	run: yarn test --colors

	build-and-push:
	name: Build & push to DockerHub
	needs: test
	runs-on: ubuntu-latest
	if: github.event_name == 'push' && github.ref == 'refs/heads/main'
	steps:
	- uses: actions/checkout@v4

	- name: Build Docker image
	run: \|
	docker build -t stockdog:alpha-${{ github.event.number }} .

	- name: Login to DockerHub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_TOKEN }}

	- name: Push Docker image
	run: docker push ${{ secrets.DOCKER_HUB_USERNAME }}/stockdog:alpha-${{ github.event.number }}

	- name: Update image metadata
	uses: docker/metadata-action@v5
	with:
	images: ${{ secrets.DOCKER_HUB_USERNAME }}/stockdog:alpha-${{ github.event.number }}
	tags: \|
	type=sha
	labels: \|
	org.opencontainers.image.title=StockDog App
	org.opencontainers.image.description=Stock market analysis app
	org.opencontainers.image.url=https://github.com/${{github.repository}}
	org.opencontainers.image.revision=${{github.sha}}
	org.opencontainers.image.licenses=MIT

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