Don't log in if docker builds are not required #66

	name: Build Self Contained Image
	permissions:
	contents: write
	packages: write
	'on':
	workflow_dispatch: {}
	push:
	paths:
	- '*/'
	- '!.github/badges/*'
	- '!README.md'
	- '!python/*/'

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Install GitVersion
	uses: gittools/actions/gitversion/setup@v0.9.15
	with:
	versionSpec: 5.x

	- id: determine_version
	name: Determine Version
	uses: gittools/actions/gitversion/execute@v0.9.15
	with:
	additionalArguments: /overrideconfig mode=Mainline

	- name: Get branch name
	id: branch-name
	uses: tj-actions/branch-names@v7

	- name: Login to DockerHub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	# The Docker image used to run workers
	- name: Build, tag, and push worker image to Dockerhub
	if: ${{ steps.branch-name.outputs.current_branch == 'main' }}
	run: \|
	docker build -f docker/selfcontained/Dockerfile -t octopussamples/octopub-selfcontained:${{ steps.determine_version.outputs.semVer }} .
	docker push octopussamples/octopub-selfcontained:${{ steps.determine_version.outputs.semVer }}
	docker tag octopussamples/octopub-selfcontained:${{ steps.determine_version.outputs.semVer }} octopussamples/octopub-selfcontained:latest
	docker push octopussamples/octopub-selfcontained:latest
	shell: bash

Provide feedback