Reviewed POC branch, documented findings #19

	---
	name: 'Build mitzXnuts Docker images'

	on:
	push:
	branches:
	- mitzXnuts
	pull_request:
	branches:
	- mitzXnuts

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set version params
	id: version
	shell: bash
	run: \|
	echo "git_commit=$(echo ${GITHUB_SHA})" >> $GITHUB_OUTPUT
	echo "git_branch=$(echo ${GITHUB_REF#refs/heads/})" >> $GITHUB_OUTPUT
	echo "git_version=$(git name-rev --tags --name-only $(git rev-parse HEAD))" >> $GITHUB_OUTPUT

	- uses: actions-ecosystem/action-get-latest-tag@v1
	id: get-latest-tag
	with:
	semver_only: true

	- name: Print version params
	run: \|
	echo "Commit: ${{ steps.version.outputs.git_commit }}"
	echo "Branch: ${{ steps.version.outputs.git_branch }}"
	echo "Version: ${{ steps.version.outputs.git_version }}"
	echo "Latest tag: ${{ steps.get-latest-tag.outputs.tag }}"
	echo "This tag: ${{ github.ref }}"

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to Docker Hub
	if: ${{ github.event_name != 'pull_request' }}
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	file: Dockerfile
	platforms: linux/amd64
	push: true
	tags: 'nutsfoundation/nuts-node:mitz-x-nuts'
	build-args: \|
	GIT_VERSION=${{ steps.version.outputs.git_version }}
	GIT_COMMIT=${{ steps.version.outputs.git_commit }}
	GIT_BRANCH=${{ steps.version.outputs.git_branch }}

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