pom.xml

<?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>xyz.tomd.demos</groupId>
    <artifactId>hello-java</artifactId>
    <version>1.0.${revision}</version>

    <name>Hello Java</name>
    <description>A tiny website that says Hello World!</description>

    <properties>
        <revision>0-SNAPSHOT</revision>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <undertow.version>2.0.27.Final</undertow.version>
        <jib.version>2.7.1</jib.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>io.undertow</groupId>
            <artifactId>undertow-core</artifactId>
            <version>${undertow.version}</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <!-- Use Google Jib to build a Docker image -->
            <!-- This builds an image without needing a Dockerfile, or Docker installed! -->
            <!-- Huzzah! -->
            <plugin>
                <groupId>com.google.cloud.tools</groupId>
                <artifactId>jib-maven-plugin</artifactId>
                <version>${jib.version}</version>
                <configuration>
                    <container>
                        <!-- Define the port manually here, because Google Jib isn't a mind-reader you know -->
                        <ports>
                            <port>8080</port>
                        </ports>
                    </container>

                    <!-- If you need a shell in the container, use the 'debug' base image -->
                    <!-- If you change this setting and rebuild, you'll need to `docker pull` again if you want the latest image locally -->
                    <!--<from>
                        <image>gcr.io/distroless/java:debug</image>
                    </from>-->

                    <!-- If you want Jib to push to a registry then configure it here -->
                    <!--<to>
                        <image>quay.io/tdonohue/hello-java</image>
                        <auth>
                            <username>${env.REGISTRY_USERNAME}</username>
                            <password>${env.REGISTRY_PASSWORD}</password>
                        </auth>
                    </to>-->
                </configuration>
            </plugin>

            <!-- This builds an executable jar ("jar-with-dependencies") -->
            <!-- So we can run using: java -jar my-app.jar -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-assembly-plugin</artifactId>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                        <configuration>
                            <archive>
                                <manifest>
                                    <mainClass>xyz.tomd.demos.hellorestjava.Application</mainClass>
                                </manifest>
                            </archive>
                            <descriptorRefs>
                                <descriptorRef>jar-with-dependencies</descriptorRef>
                            </descriptorRefs>
                            <appendAssemblyId>false</appendAssemblyId>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>