First try at tom + resspect GHA #56


	name: Build Docker image
	# Shamelessly cribbed from https://docs.docker.com/build/ci/github-actions/test-before-push/
	# with minor modifications
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	env:
	TEST_TAG: user/app:test
	LATEST_TAG: user/app:latest

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Build and export to Docker
	uses: docker/build-push-action@v6
	with:
	load: true
	tags: ${{ env.TEST_TAG }}
	build-args: BUILDKIT_CONTEXT_KEEP_GIT_DIR=1

	# TODO actually have this do something with test data
	- name: Test
	run: \|
	docker run --rm ${{ env.TEST_TAG }} -c "fit_dataset --help"

Provide feedback