v3.1 #3

	name: Release
	on:
	release:
	types: [published]
	env:
	PROJECT: "github.com/emitter-io/emitter"
	GO111MODULE: "on"

	jobs:
	publish:
	name: Docker
	runs-on: ubuntu-latest
	steps:
	- name: Install Go
	uses: actions/setup-go@v1
	with:
	go-version: 1.20
	id: go
	- name: Login to DockerHub Registry
	run: echo ${{ secrets.DOCKERHUB_PASSWORD }} \| docker login -u ${{ secrets.DOCKERHUB_USERNAME }} --password-stdin
	- name: Check out code into the Go module directory
	uses: actions/checkout@v1
	- name: Get the version
	id: vars
	run: echo ::set-output name=tag::$(echo ${GITHUB_REF:10})
	- name: Build the tagged Docker image
	run: \|
	go build .
	docker build . --file Dockerfile --build-arg GO_BINARY=emitter --tag emitter/server:${{steps.vars.outputs.tag}}
	- name: Push the tagged Docker image
	run: docker push emitter/server:${{steps.vars.outputs.tag}}

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