title: Maven: No plugin found for prefix 'dockerfile'
body: <p>followed some maven docker examples, came up with following code, run
   mvn package dockerfile:build
  but get these errors:
  [ERROR]  No plugin found for prefix 'dockerfile' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories ...</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8" standalone="no"?&gt;
  &lt;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/maven-v4_0_0.xsd"&gt;
  
      &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
      &lt;groupId&gt;com.mycompnay.learning&lt;/groupId&gt;
      &lt;artifactId&gt;my-app-base-pom&lt;/artifactId&gt;
      &lt;version&gt;0.0.1&lt;/version&gt;
  
  
      &lt;properties&gt;
          &lt;dockerfile.version&gt;0.0.1&lt;/dockerfile.version&gt;
          &lt;docker.image.prefix&gt;AdminService&lt;/docker.image.prefix&gt;
      &lt;/properties&gt;
  
      &lt;build&gt;
          &lt;plugins&gt;
              &lt;plugin&gt;
                  &lt;groupId&gt;com.spotify&lt;/groupId&gt;
                  &lt;artifactId&gt;dockerfile-maven-plugin&lt;/artifactId&gt;
                  &lt;version&gt;0.0.1&lt;/version&gt;
                  &lt;executions&gt;
                      &lt;execution&gt;
                          &lt;id&gt;default&lt;/id&gt;
                          &lt;goals&gt;
                              &lt;goal&gt;build&lt;/goal&gt;
                          &lt;/goals&gt;
                          &lt;configuration&gt;
                              &lt;repository&gt;docker.io/kkapelon/docker-maven-comparsion&lt;/repository&gt;
                              &lt;tag&gt;projectVersion&lt;/tag&gt;
                          &lt;/configuration&gt;
                      &lt;/execution&gt;
                  &lt;/executions&gt;
              &lt;/plugin&gt;
          &lt;/plugins&gt;
      &lt;/build&gt;
  
  &lt;/project&gt;
  </code></pre>
  
  <p>Where should i go from here pls ?</p>