root@Testing:~/testing# ./gradlew clean -x test buildDockerLatest
Starting a Gradle Daemon (subsequent builds will be faster)

FAILURE: Build failed with an exception.

* Where:
Build file '/root/testing/build.gradle' line: 35

* What went wrong:
A problem occurred evaluating root project 'testing'.
> com.palantir.gradle.docker.DockerExtension_Decorated cannot be cast to java.lang.Class



BUILD FAILED in 2s

drwxr-xr-x 2 root root   4096 Sep 20 08:18 bin
-rw-r--r-- 1 root root   3061 Sep 22 10:19 build.gradle
-rw-r--r-- 1 root root    288 Sep 20 08:18 Dockerfile
drwxr-xr-x 3 root root   4096 Sep 20 08:18 gradle
-rwxrwxrwx 1 root root   5296 Sep 20 08:18 gradlew
-rw-r--r-- 1 root root   2176 Sep 20 08:18 gradlew.bat
-rw-r--r-- 1 root root   1188 Sep 20 08:18 package.json
-rw-r--r-- 1 root root 516063 Sep 20 08:18 package-lock.json
-rw-r--r-- 1 root root    116 Sep 20 08:18 README.md
drwxr-xr-x 3 root root   4096 Sep 20 08:18 src

buildscript {
   // ext {
   //     springBootVersion = SPRING_BOOT_VERSION
    //}
    repositories {
        mavenCentral()
        maven {
            url '<https://repo.spring.io/libs-milestone>'
        }
    }
    dependencies {
    //  classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
    //  classpath('se.transmode.gradle:gradle-docker:1.2')
       classpath "com.palantir.gradle.docker:gradle-docker:0.34.0"
    }
}

apply plugin: 'com.palantir.docker'
//apply plugin: 'docker'

task buildDockerLatest(type: docker) {
    push = false
    tag = 'abc/demo'
    tagVersion = "latest"
    dockerfile = file('Dockerfile')
    doFirst {
        copy {
            from '.'
            into 'build/docker'
            exclude "gradle"
            exclude "gradlew"
            exclude "gradlew.bat"
            exclude "build"
            exclude "build.gradle"
            exclude "Dockerfile"
        }
    }
}

task wrapper (type:Wrapper) {
    gradleVersion = '4.5' //we want gradle 2.10 to run this project
}

def getNightly() {
    new Date().format('yyyy-MM-dd')
}
def getDate() {
    new Date().format('yyyy-MM-dd-HHmm')