switch to golang alpine docker image #4

	name: Build and publish docker image

	on:
	push:
	branches:
	- 'main'
	paths-ignore:
	- "README.md"
	- "LICENSE.txt"

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

	jobs:
	push-image:
	runs-on: ubuntu-latest

	permissions:
	contents: read
	packages: write

	steps:
	- name: 'Checkout GitHub Action'
	uses: actions/checkout@main

	- name: 'Login to GitHub Container Registry'
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{github.actor}}
	password: ${{secrets.GITHUB_TOKEN}}

	- name: 'Build Inventory Image'
	run: \|
	version="$(git rev-parse --short HEAD)"
	docker build . \
	--tag ${{env.REGISTRY}}/${{env.IMAGE}}:latest \
	--tag ${{env.REGISTRY}}/${{env.IMAGE}}:$version
	docker push ${{env.REGISTRY}}/${{env.IMAGE}}:$version
	docker push ${{env.REGISTRY}}/${{env.IMAGE}}:latest

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