push to registry

import java.text.SimpleDateFormat

node {
	def commitHash = ""
	def dateFormat = new SimpleDateFormat("YYYYmmdd")
	def timeFormat = new SimpleDateFormat("HHMMSS")
	def date = new Date()
	def mavenVersion = ""

	stage('Checkout scm') {
		commitHash = checkout(scm).GIT_COMMIT
	}

	stage('Build frontend') {
		dir('frontend') { 
			docker.image('node:12-alpine').inside {
					sh 'npm install'
					sh 'node_modules/.bin/ng build --prod'

			}
			docker.withRegistry('https://registry.sensei.ap.aws.griddynamics.net/') {
				def frontImage = docker.build "frontend:1.0-" + dateFormat.format(date) \
						+ "-" + timeFormat.format(date) + "-" + BRANCH_NAME \
						+ "-" + commitHash.take(6) 
				frontImage.push('latest')
			}
		}
	}

	stage('Build back-end') {
		dir('backend') { 
			docker.image('maven:3.6-jdk-8').inside {
					sh 'mvn -B clean package -DskipTests'
					mavenVersion = sh returnStdout: true,
						script: '''mvn org.apache.maven.plugins:maven-help-plugin:3.1.0:evaluate \
						 			-Dexpression=project.version -q -DforceStdout'''

			}

			// Groovy script security alert :(
			//timeFormat.setTimeZone(TimeZone.getTimeZone("Europe/Saratov"))

			docker.withRegistry('https://registry.sensei.ap.aws.griddynamics.net/') {
				def backImage = docker.build "backend:" + mavenVersion + "-" + dateFormat.format(date) \
						+ "-" + timeFormat.format(date) + "-" + BRANCH_NAME \
						+ "-" + commitHash.take(6) 
				backImage.push('latest')
			}
		}
	}
}