feat: added workflow for testing non-Hub image builds #11

	# .github/workflows/dockerhub-image.yml
	# Author: Daniel M. Zimmerman
	# Created: 2024-12-09
	# Modified: 2024-12-16

	# This workflow builds the DockerHub image, and pushes it to
	# DockerHub if the action was triggered on the main branch.

	name: Build and Push (on main only) DockerHub Image

	on:
	push:
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: docker/setup-buildx-action@v3
	with:
	install: true

	- name: Extract SysMLv2 Version from Dockerfile
	id: sysmlv2-version
	run: \|
	SYSML_VERSION=`grep "ARG RELEASE" Dockerfile.hub \| sed 's/.=$.$/\1/'`
	echo "SYSML_VERSION=${SYSML_VERSION}" >> "$GITHUB_OUTPUT"

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

	- name: Build and Push DockerHub image
	uses: docker/build-push-action@v6
	with:
	cache-from: type=gha
	cache-to: type=gha,mode=max
	file: Dockerfile.hub
	platforms: linux/amd64,linux/arm64
	push: ${{ github.ref_name == 'main' }} # only push to DockerHub on main
	tags: \|
	freeandfair/sysmlv2-jupyter:latest
	freeandfair/sysmlv2-jupyter:${{ steps.sysmlv2-version.outputs.SYSML_VERSION }}

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