change default sshd port and add some comments #5

	name: Master Branch CI

	on:
	workflow_dispatch:
	push:
	branches:
	- 'master'
	tags:
	- 'v*'
	pull_request:
	branches:
	- 'master'

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:

	- name: Check Out Repo
	uses: actions/checkout@v4

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: coryaent/krause

	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v3

	- name: Cache Docker layers
	uses: actions/cache@v3
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v5
	with:
	context: ./
	file: ./Dockerfile
	builder: ${{ steps.buildx.outputs.name }}
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache

	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

	- name: Notify Telegram
	uses: yanzay/notify-telegram@v0.1.0
	if: always()
	with:
	chat: ${{ secrets.TELEGRAM_USER_ID }} # user id or channel name secret
	token: ${{ secrets.TELEGRAM_BOT_TOKEN }} # token secret
	status: ${{ job.status }} # do not modify this line

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