Drafting README for Todo API project enhancements #14

	name: CI-CD to deploy docker image of TodoAPI to AppService using OIDC

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	jobs:

	build:

	runs-on: ubuntu-latest
	permissions:
	id-token: write # Require write permission to Fetch an OIDC token.
	contents: read

	steps:
	# 1. Checkout code
	- name: Check out repository code
	uses: actions/checkout@v4

	#2. Log in to Azure using Service Principal which was been been assigned github trust details.
	- name: Azure Login
	uses: azure/login@v1
	with:
	client-id: ${{ secrets.AZURE_GITHUB_SP_CLIENTID_TODO }}
	tenant-id: ${{ secrets.AZURE_GITHUB_TENANTID_TODO }}
	subscription-id: ${{ secrets.AZURE_GITHUB_SUBSCRIPTIONID_TODO }}

	# 3. Build docker image
	- name: Build the Docker image
	run: docker build -f Todo.API/Docker/Dockerfile -t todoapi:1.0.2 .

	# 4. ACR Login
	- name: ACR Login
	run: az acr login --name todoapi

	#5. Push to ACR
	#tagging the image must be tagged with the fully qualified ACR login server name
	- name: Push image to ACR
	run: \|
	docker tag todoapi:1.0.2 todoapi.azurecr.io/app-images/todoapi:v1.0.2
	docker push todoapi.azurecr.io/app-images/todoapi:v1.0.2

	# 6. deploy to azure app service
	- name: Deploy to Azure AppService
	uses: azure/webapps-deploy@v2
	with:
	app-name: todoRestApi
	images: todoapi.azurecr.io/app-images/todoapi:v1.0.2

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