node {
    def app
    agent any

    stages {
        stage('Clone repository') {
            /* Let's make sure we have the repository cloned to our workspace */

            checkout scm
        }

        stage('Build 6.2.6 image') {
            /* This builds the actual image; synonymous to
             * docker build on the command line */
            def dockerfile = "6.2/Dockerfile"
            app = docker.build("harbor.dragse.it/base/redis", "-f ${dockerfile} ./6.2 ")
        }

        stage('Push image') {
            /* Finally, we'll push the image with two tags:
             * First, the incremental build number from Jenkins
             * Second, the 'latest' tag.
             * Pushing multiple tags is cheap, as all the layers are reused. */
            docker.withRegistry('https://harbor.dragse.it', 'harbor-repo') {
                app.push("${env.BUILD_NUMBER}")
                app.push("6")
                app.push("6.2")
                app.push("6.2.6")
                app.push("latest")
            }
        }
    }
}