Initial commit

app/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.dockerforjavadevelopers</groupId>
+    <artifactId>app</artifactId>
+    <version>0.1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.2.1.RELEASE</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+		<dependency>
+		    <groupId>junit</groupId>
+		    <artifactId>junit</artifactId>
+		    <version>4.13.1</version>
+		    <scope>test</scope>
+		</dependency>
+        
+    </dependencies>
+
+    <properties>
+        <start-class>com.dockerforjavadevelopers.hello.Application</start-class>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

app/src/main/java/com/app/hello/Application.java

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+package com.dockerforjavadevelopers.hello;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableAutoConfiguration
+@ComponentScan
+public class Application {
+    
+    public static void main(String[] args) {
+        ApplicationContext ctx = SpringApplication.run(Application.class, args);
+        
+    }
+
+}

app/src/main/java/com/app/hello/HelloController.java

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+package com.dockerforjavadevelopers.hello;
+
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@RestController
+public class HelloController {
+    
+    @RequestMapping("/")
+    public String index() {
+        return "Hello World! Nice to see you :-)\n";
+    }
+    
+}

app/src/test/java/com/app/hello/DummyTest.java

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+package com.dockerforjavadevelopers.hello;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+public class DummyTest {
+
+  @Test
+  public void aTest() {
+    assertEquals(true, true);
+  }
+}