chore: add useful feedback when REDIRECT_HOST is defined #195

	name: Build and Publish a Container

	on:
	push:
	branches: [main]
	pull_request:

	jobs:
	build-and-push:
	name: Build Docker image and push to repositories
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

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

	- name: Login to Github Packages
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build image and push to Docker Hub and GitHub Container Registry
	uses: docker/build-push-action@v6
	with:
	context: .
	tags: \|
	ghcr.io/esolitos/spori.fi/app:latest
	# build on feature branches, push only on main branch
	push: ${{ github.ref == 'refs/heads/main' }}

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