fix: more friendly towards already associated routes #598

	name: Docker
	on: [push]

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	Docker:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Set .gitsha
	if: github.event_name == 'push'
	run: 'echo ${{github.sha}} > .gitsha'
	- name: Set .gitref
	if: github.event_name == 'push'
	run: 'echo ${{github.ref}} > .gitref'

	- name: Log in to the Container registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Build and push Docker image
	uses: docker/build-push-action@v3
	with:
	context: .
	push: true
	cache-from: type=gha
	cache-to: type=gha,mode=max
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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