ci: Add GitHub workflow for building and pushing base Docker image #1

	name: Build and Push Base Image

	on:
	push:
	branches: [ main ]
	paths:
	- 'Dockerfile.base'
	workflow_dispatch:

	env:
	REGISTRY: ghcr.io
	BASE_IMAGE_NAME: ${{ github.repository }}-base

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

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Log in to the Container registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.BASE_IMAGE_NAME }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	file: Dockerfile.base
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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