first commit

Dockerfile

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+FROM harbor.hzbb.top/tools/maven:v3.8.8
+
+MAINTAINER hzbb2221
+
+ENV LANG=C.UTF-8 JVM_OPTS_ENV=$JVM_OPTS AGENT_NAME_ENV=$AGENT_NAME SW_ADDR_ENV=$SW_ADDR
+
+RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime &&\
+	echo 'Asia/Shanghai' >/etc/timezone
+
+COPY . /data/springboot-helloworld
+WORKDIR /data/springboot-helloworld
+
+RUN mvn clean install
+
+EXPOSE 8080
+
+CMD java -jar \
+$JVM_OPTS_ENV \
+-XX:+UnlockExperimentalVMOptions -XX:MaxRAMFraction=1 \
+#-javaagent:/tmp/agent/skywalking-agent.jar \
+#-Dskywalking.agent.service_name=$AGENT_NAME_ENV \
+#-Dskywalking.collector.backend_service=$SW_ADDR_ENV \
+target/helloworld-0.0.1-SNAPSHOT.jar

Procfile

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+web: java $JAVA_OPTS -jar target/*.jar

README.md

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+# Spring Boot Hello World
+
+A spring boot enabled hello world application
+
+[![Build Status](https://travis-ci.org/gazgeek/springboot-helloworld.svg?branch=master)](https://travis-ci.org/gazgeek/springboot-helloworld)
+
+[![Coverage Status](https://coveralls.io/repos/gazgeek/springboot-helloworld/badge.svg)](https://coveralls.io/r/gazgeek/springboot-helloworld)
+
+- Travis CI build and test
+- Continuous deployment to Heroku on success
+
+## Usage
+
+- Directly using maven
+```
+mvn spring-boot:run
+```
+
+- From within your IDE right click run 
+```
+Application.java
+```
+
+- From executable jar file
+```
+mvn clean install
+java -jar target/helloworld-0.0.1-SNAPSHOT.jar
+```
+
+- To run this as a docker application (assumption docker is installed on your machine)
+```
+docker pull gazgeek/springboot-helloworld
+docker container run -p 8080:8080 -d gazgeek/springboot-helloworld
+
+Go to Browser and type http://localhost:8080/ or do curl http://localhost:8080/ on command prompt
+```
+
+
+

docker-compose.yml

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+version: '3'
+services:
+  springboot-helloworld:
+    build: 
+      context: ./
+      dockerfile: Dockerfile
+    container_name: springboot-helloworld
+    restart: always
+    environment:
+      - JVM_OPTS_ENV=-Xms1024m -Xmx1024m -Xmn512m -XX:+UseConcMarkSweepGC
+    ports:
+      - 8080:8080

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.gazgeek</groupId>
+    <artifactId>helloworld</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.2.2.RELEASE</version>
+    </parent>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.7.2.201409121644</version>
+                <executions>
+                    <execution>
+                        <id>prepare-agent</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.eluder.coveralls</groupId>
+                <artifactId>coveralls-maven-plugin</artifactId>
+                <version>3.0.1</version>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

src/main/java/com/gazgeek/helloworld/Application.java

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+package com.gazgeek.helloworld;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.ComponentScan;
+
+@EnableAutoConfiguration
+@ComponentScan
+public class Application {
+
+
+    public static void main(String[] args) throws Exception {
+        SpringApplication.run(Application.class, args);
+    }
+
+
+}

src/main/java/com/gazgeek/helloworld/controller/HomeController.java

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+package com.gazgeek.helloworld.controller;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HomeController {
+
+    @RequestMapping("/")
+    String home() {
+        return "Hello from GazGeek!";
+    }
+
+}

src/main/resources/application.properties

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+server.port: ${port:8080}

src/test/java/com/gazgeek/helloworld/HealthTest.java

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+package com.gazgeek.helloworld;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.boot.test.TestRestTemplate;
+import org.springframework.boot.test.WebIntegrationTest;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
+
+import java.net.URI;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+import static org.springframework.http.HttpStatus.OK;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = Application.class)
+@WebIntegrationTest(randomPort = true)
+public class HealthTest {
+
+    @Value("${local.server.port}")
+    private Integer port;
+
+    private RestTemplate restTemplate = new TestRestTemplate();
+
+
+    @Test
+    public void checkHealth() {
+        getRequest("/health")
+            .assertStatusCode(OK)
+            .assertResponseBody("{\"status\":\"UP\"}");
+    }
+
+
+    private HealthResponse getRequest(String uri) {
+        return new HealthResponse(restTemplate.getForEntity(getUri(uri), String.class));
+    }
+
+
+    protected URI getUri(String uri) {
+        return UriComponentsBuilder
+            .newInstance()
+            .scheme("http")
+            .host("localhost")
+            .port(port)
+            .path(uri)
+            .build()
+            .toUri();
+    }
+
+
+    private static class HealthResponse {
+
+        private ResponseEntity<String> responseEntity;
+
+        public HealthResponse(ResponseEntity<String> responseEntity) {
+            this.responseEntity = responseEntity;
+        }
+
+        public HealthResponse assertStatusCode(HttpStatus expected) {
+            assertThat(responseEntity.getStatusCode(), is(expected));
+            return this;
+        }
+
+        public HealthResponse assertResponseBody(String expected) {
+            assertThat(responseEntity.getBody(), is(expected));
+            return this;
+        }
+    }
+}

src/test/java/com/gazgeek/helloworld/HelloWorldResponse.java

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+package com.gazgeek.helloworld;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.*;
+
+public class HelloWorldResponse {
+
+    private ResponseEntity<String> responseEntity;
+
+    public HelloWorldResponse(ResponseEntity<String> entity) {
+        this.responseEntity = entity;
+    }
+
+    public HelloWorldResponse assertStatusCode(HttpStatus expected) {
+        assertThat(responseEntity.getStatusCode(), is(expected));
+        return this;
+    }
+
+    public HelloWorldResponse assertResponseBody(String expected) {
+        assertThat(responseEntity.getBody(), is(expected));
+        return this;
+    }
+}

src/test/java/com/gazgeek/helloworld/HomeControllerTest.java

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+package com.gazgeek.helloworld;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.boot.test.TestRestTemplate;
+import org.springframework.boot.test.WebIntegrationTest;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
+
+import java.net.URI;
+
+import static org.springframework.http.HttpStatus.OK;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = Application.class)
+@WebIntegrationTest(randomPort = true)
+public class HomeControllerTest {
+
+    @Value("${local.server.port}")
+    private Integer port;
+
+    private RestTemplate restTemplate = new TestRestTemplate();
+
+    @Test
+    public void helloWorld() {
+        getRequest("/")
+            .assertStatusCode(OK)
+            .assertResponseBody("Hello from GazGeek!");
+    }
+
+    private HelloWorldResponse getRequest(String uri) {
+        return new HelloWorldResponse(restTemplate.getForEntity(getUri(uri), String.class));
+    }
+
+
+    protected URI getUri(String uri) {
+        return UriComponentsBuilder
+            .newInstance()
+            .scheme("http")
+            .host("localhost")
+            .port(port)
+            .path(uri)
+            .build()
+            .toUri();
+    }
+
+}