add sending emails from notification-service #1

	name: Notification Service
	on:
	push:
	paths:
	- notification-service/**
	branches:
	- '**'
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	env:
	working-directory: ./notification-service
	DOCKER_IMAGE_NAME: ${{ secrets.DOCKERHUB_USERNAME }}/bookstore-notification-service
	defaults:
	run:
	working-directory: ${{ env.working-directory }}
	steps:
	- uses: actions/checkout@v4
	- name: Setup Java 21
	uses: actions/setup-java@v4
	with:
	java-version: '21'
	distribution: 'temurin'
	cache: 'maven'
	- name: Build with Maven
	run: ./mvnw -ntp verify
	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	- name: Build and Publish Docker Image
	run: \|
	./mvnw spring-boot:build-image -DskipTests
	echo "Pushing the image $DOCKER_IMAGE_NAME to Docker Hub."
	docker push $DOCKER_IMAGE_NAME

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