Error pushing docker image to dockerhub using gradle - spring

Question

I am trying this Spring boot with docket example using Gradle, but getting the following error on running the task gradle build buildDocker
C:\Users\zeeshan\Workspace\MyWorkspace\SpringBootDocker>gradle build buildDocker
:compileJava UP-TO-DATE
:processResources UP-TO-DATE
:classes UP-TO-DATE
:findMainClass
:jar
:bootRepackage
:assemble
:compileTestJava UP-TO-DATE
:processTestResources UP-TO-DATE
:testClasses UP-TO-DATE
:test UP-TO-DATE
:check UP-TO-DATE
:build
:buildDocker FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':buildDocker'.
> java.io.IOException: Cannot run program "docker": CreateProcess error=2, The system cannot find the file specified
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED
Total time: 10.092 secs
The Docketfile exists in src\main\docker in my windows machine.
My build.gradle file:
buildscript {
repositories {
maven { url "${nexusUrl}/content/groups/public" }
mavenCentral()
}
dependencies {
classpath("org.springframework.boot:spring-boot-gradle-plugin:1.3.5.RELEASE")
classpath('se.transmode.gradle:gradle-docker:1.2')
}
}
group = 'mydockergroup'
apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'spring-boot'
apply plugin: 'docker'
jar {
baseName = 'gs-spring-boot-docker'
version = '0.1.0'
}
repositories {
maven { url "${nexusUrl}/content/groups/public" }
mavenCentral()
}
sourceCompatibility = 1.8
targetCompatibility = 1.8
dependencies {
compile("org.springframework.boot:spring-boot-starter-web")
testCompile("org.springframework.boot:spring-boot-starter-test")
}
task wrapper(type: Wrapper) {
gradleVersion = '2.3'
}
task buildDocker(type: Docker, dependsOn: build) {
push = true
applicationName = jar.baseName
dockerfile = file('src/main/docker/Dockerfile')
doFirst {
copy {
from jar
into stageDir
}
}
}
Note: I copied my workspace in a Ubuntu system and it worked fine. Is there a problem setting the file path for dockerfile in my build.gradle for Windows system?

Answer 1

We are specifying dockerDirectory in docker-maven-plugin. I think you may required to setup similar in gradle.
<dockerDirectory>${basedir}/docker</dockerDirectory>