Starter Template for a Java/Spring based Microservice

Application.java

package tech.otter.servicename;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
@RestController
public class Application {
  @RequestMapping("/")
  public String home() {
      return "The service is online!";
  }

  public static void main(String[] args) {
      SpringApplication.run(Application.class, args);
  }
}

build.gradle

buildscript {
    repositories {
        mavenCentral()
    }
}

plugins {
  id "org.springframework.boot" version "1.5.10.RELEASE"
  id "com.palantir.docker" version "0.19.2"
}

// Used to push the image to docker
group 'ottertech'

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'org.springframework.boot'
apply plugin: 'com.palantir.docker'

jar {
    baseName = 'alibadguy'
    version =  '0.1.0'
}

docker {
    name "${project.group}/${jar.baseName}"
    files jar.archivePath
    buildArgs(['JAR_FILE': "${jar.archiveName}"])
}

repositories {
    mavenCentral()
}

sourceCompatibility = 1.8
targetCompatibility = 1.8

dependencies {
    compile("org.springframework.boot:spring-boot-starter-web")
    testCompile("org.springframework.boot:spring-boot-starter-test")
}

Dockerfile

FROM openjdk:8-jdk-alpine
ARG JAR_FILE
ADD ${JAR_FILE} app.jar
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]