Allow empty default network. #63

	---
	name: Docker Build Action
	on:
	pull_request:
	branches:
	- master
	release:
	types:
	- published
	push:
	branches:
	- master

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

	jobs:
	build:
	name: Docker Build
	runs-on: ubuntu-latest

	steps:
	- name: Log in to the container registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ secrets.DOCKER_REGISTRY_USER }}
	password: ${{ secrets.DOCKER_REGISTRY_TOKEN }}

	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Go 1.21
	uses: actions/setup-go@v5
	with:
	go-version: '1.21.x'
	cache: false

	- name: Lint
	uses: golangci/golangci-lint-action@v3
	with:
	args: --build-tags integration -p bugs -p unused --timeout=5m

	- name: Make tag
	run: \|
	[ "${GITHUB_EVENT_NAME}" == 'pull_request' ] && echo "tag=${GITHUB_HEAD_REF##*/}" >> $GITHUB_ENV \|\| true
	[ "${GITHUB_EVENT_NAME}" == 'release' ] && echo "tag=${GITHUB_REF##*/}" >> $GITHUB_ENV \|\| true
	[ "${GITHUB_EVENT_NAME}" == 'push' ] && echo "tag=latest" >> $GITHUB_ENV \|\| true

	- name: Build and push image
	uses: docker/build-push-action@v5
	with:
	context: .
	push: true
	tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.tag }}

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