> Task :docker FAILED
COPY failed: stat /var/lib/docker/tmp/docker-builder711841135/myproject.jar: no such file or directory

plugins {
    id 'java'
    id 'org.springframework.boot' version '2.0.1.RELEASE'
    id "com.palantir.docker" version "0.19.2"
}

version = '2.0.0'
sourceCompatibility = 1.8
group = "com.example"

repositories {
    mavenCentral()
}

bootJar {
    archiveName 'myproject.jar'
}

dependencies {
    ...
}

docker {
    dependsOn(build)
    name "${project.group}/${jar.baseName}"
    files bootJar
}

FROM openjdk:8-jre
COPY myproject.jar myproject.jar

ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/myproject.jar"]