Use go version 1.21 #27

	name: Release Docker

	on:
	push:
	tags:
	- "v..*"

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

	jobs:
	build_release_image:
	name: Build Docker image
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Get the tag name
	run: echo "TAG=${GITHUB_REF##*/v}" >> $GITHUB_ENV

	- name: Login to the Container registry
	uses: docker/login-action@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push Docker image
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	context: .
	push: true
	tags: \|
	${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
	${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG }}

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