Add comments for clarity #41

	name: Master branch push

	on:
	push:
	branches: [ master ]

	jobs:

	image:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: PrepareReg Names
	run: \|
	echo IMAGE_REPOSITORY=$(echo ${{ github.repository }} \| tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV
	echo IMAGE_TAG=$(echo ${{ github.ref }} \| tr '[:upper:]' '[:lower:]' \| awk '{split($0,a,"/"); print a[3]}') >> $GITHUB_ENV

	- name: Set up Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1

	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.18

	- name: GHCR Login
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: GHCR Push
	uses: docker/build-push-action@v2
	with:
	push: true
	tags: \|
	ghcr.io/${{ env.IMAGE_REPOSITORY }}:${{ github.sha }}

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