pom.xml

<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.openhtmltopdf.microservice</groupId>
  <artifactId>sandbox</artifactId>
  <version>0.0.4-SNAPSHOT</version>
  <name>Sandbox</name>
  
  <properties>
   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   <maven.compiler.source>1.8</maven.compiler.source>
   <maven.compiler.target>1.8</maven.compiler.target>
   <openhtml.version>1.0.10</openhtml.version>
</properties>
  
  <dependencies>
  	<dependency>
  		<groupId>com.sparkjava</groupId>
  		<artifactId>spark-core</artifactId>
  		<version>2.9.3</version>
  	</dependency>
<dependency>
    <groupId>com.sparkjava</groupId>
    <artifactId>spark-template-thymeleaf</artifactId>
    <version>2.7.1</version>
</dependency>

  	<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-simple</artifactId>
    <version>1.7.25</version>
</dependency>
  	    <dependency>
        <!-- ALWAYS required. -->
        <groupId>com.openhtmltopdf</groupId>
        <artifactId>openhtmltopdf-core</artifactId>
        <version>${openhtml.version}</version>
    </dependency>

    <dependency>
        <!-- Required for PDF output. -->
        <groupId>com.openhtmltopdf</groupId>
        <artifactId>openhtmltopdf-pdfbox</artifactId>
        <version>${openhtml.version}</version>
    </dependency>

    <dependency>
        <!-- Optional, leave out if you do not need right-to-left or bi-directional text support. -->
        <groupId>com.openhtmltopdf</groupId>
        <artifactId>openhtmltopdf-rtl-support</artifactId>
        <version>${openhtml.version}</version>
    </dependency>
  </dependencies>
  
  <build>
  <plugins>
  <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-shade-plugin</artifactId>
    <version>3.2.0</version>
    <configuration>
        <createDependencyReducedPom>true</createDependencyReducedPom>
        <filters>
            <filter>
                <artifact>*:*</artifact>
                <excludes>
                    <exclude>META-INF/*.SF</exclude>
                    <exclude>META-INF/*.DSA</exclude>
                    <exclude>META-INF/*.RSA</exclude>
                </excludes>
            </filter>
        </filters>
    </configuration>
    <executions>
        <execution>
            <phase>package</phase>
            <goals>
                <goal>shade</goal>
            </goals>
            <configuration>
                <transformers>
                    <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
                    <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                        <mainClass>com.openhtmltopdf.sandbox.App</mainClass>
                    </transformer>
                </transformers>
            </configuration>
        </execution>
    </executions>
</plugin>
  
  </plugins> 
  </build>
 
</project>