Update readme.md #9

	name: Build and Push Docker Image

	on:
	push:
	branches:
	- main # Triggers only on the 'main' branch

	jobs:
	build-and-push:
	runs-on: ubuntu-latest

	steps:
	# Checkout the repository
	- name: Checkout code
	uses: actions/checkout@v4

	# Log in to GitHub Container Registry (GHCR)
	- name: Log in to GitHub Container Registry
	run: echo "${{ secrets.GHCR_TOKEN }}" \| docker login ghcr.io -u ${{ github.actor }} --password-stdin

	# Build the Docker image
	- name: Build Docker Image
	run: \|
	docker build -t ghcr.io/${{ github.repository_owner }}/flask-webserver:latest .
	docker tag ghcr.io/${{ github.repository_owner }}/flask-webserver:latest ghcr.io/${{ github.repository_owner }}/flask-webserver:${{ github.sha }}

	# Push the Docker image to GitHub Container Registry
	- name: Push Docker Image
	run: \|
	docker push ghcr.io/${{ github.repository_owner }}/flask-webserver:latest
	docker push ghcr.io/${{ github.repository_owner }}/flask-webserver:${{ github.sha }}

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