Add Github workflow, extend Dockerfile #1

	---
	name: Build and publish the wyoming-satellite docker image

	on:
	push:
	# We only want to build on repackaging tags
	# Example: v1.2.0-0
	tags: ["v[0-9]+.[0-9]+.[0-9]+-[0-9]+"]

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

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

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	# Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
	- name: Log in to the Container registry
	uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ github.token }}
	- name: Extract metadata for Docker
	id: meta
	uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	- name: Build and push Docker image
	id: push
	uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	- name: Generate artifact attestation
	uses: actions/attest-build-provenance@v1
	with:
	subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
	subject-digest: ${{ steps.push.outputs.digest }}
	push-to-registry: true
	...

Provide feedback