warn when using default hostname #48

	name: "Respotter Container Image Build"

	on:
	push:
	tags:
	- 'v**'
	pull_request:
	branches:
	- main
	workflow_dispatch:

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: respotter

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Check out repository
	uses: actions/checkout@v3

	- name: Log in to the Container registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/lawndoc/${{ env.IMAGE_NAME }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	with:
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

	- name: Update release
	if: ${{ github.event_name == 'push' \|\| github.event_name == 'workflow_dispatch' }}
	uses: ncipollo/release-action@v1
	with:
	allowUpdates: true
	updateOnlyUnreleased: true
	generateReleaseNotes: true

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