Update config table in README

.gitea/workflows/publish.yml

@@ -19,19 +19,11 @@ jobs:
           java-version: '21'
           cache: 'maven'
 
-      - uses: stCarolas/setup-maven@v5
+      - name: Set up Maven
+        uses: stCarolas/setup-maven@v5
         with:
           maven-version: 3.9.6
 
-      - name: Debug Java setup
-        run: |
-          echo "JAVA_HOME=$JAVA_HOME"
-          echo "PATH=$PATH"
-          which java || echo "java not found"
-          which mvn || echo "mvn not found"
-          ls $JAVA_HOME/../bin/ || echo "JAVA_HOME bin not found"
-          cat $GITHUB_PATH || echo "GITHUB_PATH file empty or missing"
-
       - name: Get release version
         id: get_version
         run: echo "version=${{ github.event.release.tag_name }}" >> $GITHUB_ENV

.gitignore

@@ -1,3 +1,5 @@
+.idea/
+
 # Created by https://www.toptal.com/developers/gitignore/api/java,maven
 # Edit at https://www.toptal.com/developers/gitignore?templates=java,maven
 

.idea/compiler.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <annotationProcessing>
-      <profile name="Maven default annotation processors profile" enabled="true">
-        <sourceOutputDir name="target/generated-sources/annotations" />
-        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
-        <outputRelativeToContentRoot value="true" />
-        <module name="MCRun" />
-      </profile>
-    </annotationProcessing>
-  </component>
-</project>

.idea/encodings.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding">
-    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
-    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
-  </component>
-</project>

.idea/jarRepositories.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="github" />
-      <option name="name" value="github" />
-      <option name="url" value="https://maven.pkg.github.com/KartoffelChipss/LifeStealZ" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="central" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-  </component>
-</project>

.idea/misc.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="DiscordProjectSettings">
-    <option name="show" value="ASK" />
-    <option name="description" value="" />
-  </component>
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="MavenProjectsManager">
-    <option name="originalFiles">
-      <list>
-        <option value="$PROJECT_DIR$/pom.xml" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="25" project-jdk-type="JavaSDK" />
-</project>

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>

.idea/workspace.xml

@@ -1,64 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="AutoImportSettings">
-    <option name="autoReloadType" value="SELECTIVE" />
-  </component>
-  <component name="ChangeListManager">
-    <list default="true" id="98c311c3-6130-4449-9bcb-07029b56b776" name="Changes" comment="">
-      <change beforePath="$PROJECT_DIR$/.gitea/workflows/publish.yml" beforeDir="false" afterPath="$PROJECT_DIR$/.gitea/workflows/publish.yml" afterDir="false" />
-    </list>
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="FileTemplateManagerImpl">
-    <option name="RECENT_TEMPLATES">
-      <list>
-        <option value="Exception" />
-        <option value="Class" />
-      </list>
-    </option>
-  </component>
-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="ProjectColorInfo">{
-  &quot;customColor&quot;: &quot;&quot;,
-  &quot;associatedIndex&quot;: 1
-}</component>
-  <component name="ProjectId" id="3E8fdcRwutbLOHxizPneckuMJLe" />
-  <component name="ProjectViewState">
-    <option name="hideEmptyMiddlePackages" value="true" />
-    <option name="showLibraryContents" value="true" />
-  </component>
-  <component name="PropertiesComponent">{
-  &quot;keyToString&quot;: {
-    &quot;ModuleVcsDetector.initialDetectionPerformed&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.typescript.service.memoryLimit.init&quot;: &quot;true&quot;,
-    &quot;codeWithMe.voiceChat.enabledByDefault&quot;: &quot;false&quot;,
-    &quot;git-widget-placeholder&quot;: &quot;main&quot;,
-    &quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
-    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
-  }
-}</component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="98c311c3-6130-4449-9bcb-07029b56b776" name="Changes" comment="" />
-      <created>1779565206518</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1779565206518</updated>
-      <workItem from="1779565207730" duration="57000" />
-      <workItem from="1779565274563" duration="632000" />
-      <workItem from="1779565913273" duration="9192000" />
-    </task>
-    <servers />
-  </component>
-  <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="3" />
-  </component>
-</project>

README.md

@@ -44,10 +44,10 @@ Add the following inside the `<build><plugins>` section of your `pom.xml`:
 
 > **Note:** Replace `LATEST` with the actual latest version, and set `<mcVersion>` to whichever Minecraft version you want to test against.
 
-### 3. Run the server
+### 3. Start the server
 
 ```bash
-mvn package mcrun:run
+mvn package mcrun:start
 ```
 
 This will:
@@ -62,19 +62,20 @@ This will:
 
 All options go inside the `<configuration>` block of the plugin declaration.
 
-| Option | Default | Description                                                                                                                     |
+| Option | Default | Description |
-|---|---|---------------------------------------------------------------------------------------------------------------------------------|
+|---|---|---|
-| `mcVersion` | *(required)* | The Minecraft version to run, e.g. `1.21.4`                                                                                     |
+| `mcVersion` | *(required)* | The Minecraft version to run, e.g. `1.21.4` |
 | `acceptEula` | `false` | Automatically accept the [Minecraft EULA](https://aka.ms/MinecraftEULA). By setting this to `true` you confirm your acceptance. |
-| `serverSoftware` | `paper` | Server software to use. Supported values: `paper`, `spigot`                                                                     |
+| `serverSoftware` | `paper` | Server software to use. Supported values: `paper`, `spigot` |
-| `serverDirectory` | `./server` | Folder where the server files will be created                                                                                   |
+| `serverDirectory` | `./server` | Folder where the server files will be created |
-| `serverJarName` | `server.jar` | File name for the server jar inside `serverDirectory`                                                                           |
+| `serverJarName` | `server.jar` | File name for the server jar inside `serverDirectory` |
-| `memory` | `2G` | RAM allocated to the server (used for both `-Xmx` and `-Xms`), e.g. `2G`, `512M`                                                |
+| `minMemory` | `512M` | Minimum RAM allocated to the server (`-Xms`), e.g. `512M`, `1G` |
-| `port` | *(Minecraft default)* | Port the server listens on                                                                                                      |
+| `maxMemory` | `2G` | Maximum RAM allocated to the server (`-Xmx`), e.g. `2G`, `4G` |
-| `remoteDebug` | `false` | Enable remote JVM debugging so you can attach your IDE's debugger                                                               |
+| `port` | *(Minecraft default)* | Port the server listens on |
-| `debugPort` | `5005` | Port used for remote debugging (only relevant if `remoteDebug` is `true`)                                                       |
+| `remoteDebug` | `false` | Enable remote JVM debugging so you can attach your IDE's debugger |
-| `jvmArgs` | *(none)* | Extra JVM flags passed to the server process (see below)                                                                        |
+| `debugPort` | `5005` | Port used for remote debugging (only relevant if `remoteDebug` is `true`) |
-| `pluginJar` | *(your built jar)* | Path to the plugin jar to deploy. You rarely need to change this                                                                |
+| `jvmArgs` | *(none)* | Extra JVM flags passed to the server process |
+| `pluginJar` | *(your built jar)* | Path to the plugin jar to deploy. You rarely need to change this |
 
 ### Full configuration example
 

pom.xml

@@ -7,7 +7,7 @@
 
     <groupId>org.strassburger</groupId>
     <artifactId>mcrun-maven-plugin</artifactId>
-    <version>0.0.12</version>
+    <version>1.0.0</version>
     <packaging>maven-plugin</packaging>
 
     <name>MCRun Maven Plugin</name>

src/main/java/org/strassburger/mcrun/InstallServerMojo.java

@@ -0,0 +1,74 @@
+package org.strassburger.mcrun;
+
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.strassburger.mcrun.config.ServerInstallConfig;
+import org.strassburger.mcrun.steps.ServerInstallStep;
+import org.strassburger.mcrun.steps.Step;
+import org.strassburger.mcrun.steps.StepExecutionException;
+
+import java.io.File;
+
+@Mojo(name = "install")
+public class InstallServerMojo extends AbstractMojo {
+    /**
+     * Path to the plugin jar to deploy. Defaults to the project's build output jar.
+     * Override if your jar is assembled elsewhere or has a classifier.
+     */
+    @Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}.jar")
+    private File pluginJar;
+
+    /**
+     * Directory where the test server will be created and run.
+     * The server jar, plugins folder, and all generated files (eula.txt, world, logs, etc.)
+     * will be placed here. Defaults to <code>${project.basedir}/server</code>.
+     */
+    @Parameter(defaultValue = "${project.basedir}/server")
+    private File serverDirectory;
+
+    /**
+     * File name for the downloaded or provided server jar, relative to {@code serverDirectory}.
+     * Defaults to <code>server.jar</code>.
+     */
+    @Parameter(defaultValue = "server.jar")
+    private String serverJarName;
+
+    /**
+     * The server software to download. Defaults to <code>paper</code>.
+     * Can be one <code>paper</code> or <code>spigot</code>.
+     */
+    @Parameter(defaultValue = "paper")
+    private String serverSoftware;
+
+    /**
+     * When {@code true}, automatically creates {@code eula.txt} with {@code eula=true}
+     * in the server directory if it does not already exist, bypassing the manual
+     * acceptance step. Defaults to {@code false}.
+     *
+     * <p>By setting this to {@code true} you are indicating that you accept the
+     * <a href="https://aka.ms/MinecraftEULA">Minecraft End User License Agreement</a>.</p>
+     */
+    @Parameter(defaultValue = "false")
+    private boolean acceptEula;
+
+    /**
+     * The Minecraft version to run, e.g. <code>1.21.4</code>. Required.
+     */
+    @Parameter(required = true)
+    private String mcVersion;
+
+    @Override
+    public void execute() throws MojoExecutionException, MojoFailureException {
+        Step<?> step = new ServerInstallStep(getLog(),
+                new ServerInstallConfig(serverDirectory, pluginJar, serverJarName, serverSoftware, mcVersion, acceptEula)
+        );
+        try {
+            step.run();
+        } catch (StepExecutionException e) {
+            throw new MojoExecutionException(e.getMessage(), e);
+        }
+    }
+}

src/main/java/org/strassburger/mcrun/RunServerMojo.java

@@ -3,27 +3,76 @@ package org.strassburger.mcrun;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
-import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
-import org.strassburger.mcrun.downloader.ServerJarDownloadException;
+import org.strassburger.mcrun.config.ServerRunStepConfig;
-import org.strassburger.mcrun.downloader.ServerJarDownloader;
+import org.strassburger.mcrun.steps.ServerRunStep;
+import org.strassburger.mcrun.steps.Step;
+import org.strassburger.mcrun.steps.StepExecutionException;
 
 import java.io.File;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.StandardCopyOption;
 import java.util.ArrayList;
 import java.util.List;
 
-@Mojo(name = "run", defaultPhase = LifecyclePhase.PACKAGE)
+@Mojo(name = "run")
 public class RunServerMojo extends AbstractMojo {
     /**
-     * Path to the plugin jar to deploy. Defaults to the project's build output jar.
+     * Minimum heap size passed to {@code -Xms}.
-     * Override if your jar is assembled elsewhere or has a classifier.
+     * Accepts standard JVM memory notation, e.g. <code>512M</code>, <code>1G</code>.
+     * Defaults to <code>512M</code>.
      */
-    @Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}.jar")
+    @Parameter(defaultValue = "512M")
-    private File pluginJar;
+    private String minMemory;
+
+    /**
+     * Maximum heap size passed to {@code -Xmx}.
+     * Accepts standard JVM memory notation, e.g. <code>2G</code>, <code>4G</code>.
+     * Defaults to <code>2G</code>.
+     */
+    @Parameter(defaultValue = "2G")
+    private String maxMemory;
+
+    /**
+     * Additional JVM arguments to pass to the server process.
+     * These are inserted after -Xmx/-Xms and before -jar.
+     *
+     * <pre>{@code
+     * <jvmArgs>
+     *     <arg>-XX:+UseG1GC</arg>
+     *     <arg>-XX:+ParallelRefProcEnabled</arg>
+     * </jvmArgs>
+     * }</pre>
+     */
+    @Parameter
+    private List<String> jvmArgs = new ArrayList<>();
+
+    /**
+     * Whether to start the server with JDWP remote debugging enabled.
+     * When set to <code>true</code>, the JVM is launched with:
+     * <code>-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:{debugPort}</code>.
+     * Attach your IDE's remote debugger to the configured {@code debugPort} to use this feature.
+     * Defaults to <code>false</code>.
+     */
+    @Parameter(defaultValue = "false")
+    private boolean remoteDebug;
+
+    /**
+     * The port the JDWP remote debugger will listen on when {@code remoteDebug} is enabled.
+     * Defaults to <code>5005</code>.
+     *
+     * <pre>{@code
+     * <remoteDebug>true</remoteDebug>
+     * <debugPort>5005</debugPort>
+     * }</pre>
+     */
+    @Parameter(defaultValue = "5005")
+    private int debugPort;
+
+    /**
+     * The port the Minecraft server will listen on. Passed to the server via --port.
+     */
+    @Parameter
+    private Integer port;
 
     /**
      * Directory where the test server will be created and run.
@@ -40,139 +89,15 @@ public class RunServerMojo extends AbstractMojo {
     @Parameter(defaultValue = "server.jar")
     private String serverJarName;
 
-    /**
-     * The server software to download. Defaults to <code>paper</code>.
-     * Can be one <code>paper</code> or <code>spigot</code>.
-     */
-    @Parameter(defaultValue = "paper")
-    private String serverSoftware;
-
-    /**
-     * The Minecraft version to run, e.g. <code>1.21.4</code>. Required.
-     */
-    @Parameter(required = true)
-    private String mcVersion;
-
-    /**
-     * Heap size passed to both {@code -Xmx} and {@code -Xms}.
-     * Accepts standard JVM memory notation, e.g. <code>2G</code>, <code>512M</code>.
-     * Defaults to <code>2G</code>.
-     */
-    @Parameter(defaultValue = "2G")
-    private String memory;
-
-    /**
-     * When {@code true}, automatically creates {@code eula.txt} with {@code eula=true}
-     * in the server directory if it does not already exist, bypassing the manual
-     * acceptance step. Defaults to {@code false}.
-     *
-     * <p>By setting this to {@code true} you are indicating that you accept the
-     * <a href="https://aka.ms/MinecraftEULA">Minecraft End User License Agreement</a>.</p>
-     */
-    @Parameter(defaultValue = "false")
-    private boolean acceptEula;
-
-    /**
-     * Additional JVM arguments to pass to the server process.
-     * These are inserted after -Xmx/-Xms and before -jar.
-     *
-     * <pre>{@code
-     * <jvmArgs>
-     *     <arg>-XX:+UseG1GC</arg>
-     *     <arg>-XX:+ParallelRefProcEnabled</arg>
-     * </jvmArgs>
-     * }</pre>
-     */
-    @Parameter
-    private List<String> jvmArgs = new ArrayList<>();
-
-    @Parameter(defaultValue = "false")
-    private boolean remoteDebug;
-
-    @Parameter(defaultValue = "5005")
-    private int debugPort;
-
-    /**
-     * The port the Minecraft server will listen on. Passed to the server via --port.
-     */
-    @Parameter
-    private Integer port;
-
     @Override
     public void execute() throws MojoExecutionException, MojoFailureException {
-        copyPlugin();
+        Step<?> step = new ServerRunStep(getLog(),
-        downloadServerJar();
+                new ServerRunStepConfig(minMemory, maxMemory, jvmArgs, remoteDebug, debugPort, port, serverDirectory, serverJarName)
-        if (acceptEula) acceptEula();
+        );
-        startServerProcess();
-    }
-
-    private void copyPlugin() throws MojoExecutionException {
-        File pluginsDir = new File(serverDirectory, "plugins");
-        pluginsDir.mkdirs();
         try {
-            Files.copy(pluginJar.toPath(),
+            step.run();
-                    new File(pluginsDir, pluginJar.getName()).toPath(),
+        } catch (StepExecutionException e) {
-                    StandardCopyOption.REPLACE_EXISTING);
+            throw new MojoExecutionException(e.getMessage(), e);
-        } catch (IOException e) {
-            throw new MojoExecutionException("Failed to copy plugin jar file: " + pluginJar.getAbsolutePath(), e);
-        }
-    }
-
-    private void downloadServerJar() throws MojoExecutionException {
-        try {
-            ServerJarDownloader jarDownloader = ServerJarDownloader.forServerSoftware(serverSoftware)
-                    .withLog(getLog()).withServerDirectory(serverDirectory)
-                    .withServerJarName(serverJarName).withMcVersion(mcVersion)
-                    .build();
-            jarDownloader.run();
-        } catch (ServerJarDownloadException e) {
-            throw new MojoExecutionException("Failed to download server jar", e);
-        }
-    }
-
-    private void acceptEula() throws MojoExecutionException {
-        File eula = new File(serverDirectory, "eula.txt");
-        if (eula.exists()) return;
-        try {
-            Files.writeString(eula.toPath(), "eula=true\n");
-            getLog().info("eula.txt created and accepted.");
-        } catch (IOException e) {
-            throw new MojoExecutionException("Failed to write eula.txt: " + e.getMessage(), e);
-        }
-    }
-
-    private List<String> buildCommand() {
-        List<String> cmd = new ArrayList<>();
-        cmd.add("java");
-        cmd.add("-Xmx" + memory);
-        cmd.add("-Xms" + memory);
-        if (remoteDebug && debugPort > 0) {
-            cmd.add(String.format("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:%d", debugPort));
-        }
-        cmd.addAll(jvmArgs);
-        cmd.add("-jar");
-        cmd.add(serverJarName);
-        cmd.add("--nogui");
-        if (port != null) {
-            cmd.add("--port");
-            cmd.add(String.valueOf(port));
-        }
-        return cmd;
-    }
-
-    private void startServerProcess() throws MojoExecutionException {
-        List<String> command = buildCommand();
-        getLog().info("Starting server with command: " + String.join(" ", command));
-
-        ProcessBuilder pb = new ProcessBuilder(command);
-        pb.directory(serverDirectory);
-        pb.inheritIO();
-        Process process;
-        try {
-            process = pb.start();
-            process.waitFor();
-        } catch (IOException | InterruptedException e) {
-            throw new MojoExecutionException("Failed to start server: " + e.getMessage(), e);
         }
     }
 }

src/main/java/org/strassburger/mcrun/StartServerMojo.java

@@ -0,0 +1,148 @@
+package org.strassburger.mcrun;
+
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugins.annotations.LifecyclePhase;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.strassburger.mcrun.config.ServerInstallConfig;
+import org.strassburger.mcrun.config.ServerRunStepConfig;
+import org.strassburger.mcrun.steps.ServerInstallStep;
+import org.strassburger.mcrun.steps.ServerRunStep;
+import org.strassburger.mcrun.steps.Step;
+import org.strassburger.mcrun.steps.StepExecutionException;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+@Mojo(name = "start", defaultPhase = LifecyclePhase.PACKAGE)
+public class StartServerMojo extends AbstractMojo {
+    /**
+     * Path to the plugin jar to deploy. Defaults to the project's build output jar.
+     * Override if your jar is assembled elsewhere or has a classifier.
+     */
+    @Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}.jar")
+    private File pluginJar;
+
+    /**
+     * Directory where the test server will be created and run.
+     * The server jar, plugins folder, and all generated files (eula.txt, world, logs, etc.)
+     * will be placed here. Defaults to <code>${project.basedir}/server</code>.
+     */
+    @Parameter(defaultValue = "${project.basedir}/server")
+    private File serverDirectory;
+
+    /**
+     * File name for the downloaded or provided server jar, relative to {@code serverDirectory}.
+     * Defaults to <code>server.jar</code>.
+     */
+    @Parameter(defaultValue = "server.jar")
+    private String serverJarName;
+
+    /**
+     * The server software to download. Defaults to <code>paper</code>.
+     * Can be one <code>paper</code> or <code>spigot</code>.
+     */
+    @Parameter(defaultValue = "paper")
+    private String serverSoftware;
+
+    /**
+     * The Minecraft version to run, e.g. <code>1.21.4</code>. Required.
+     */
+    @Parameter(required = true)
+    private String mcVersion;
+
+    /**
+     * Minimum heap size passed to {@code -Xms}.
+     * Accepts standard JVM memory notation, e.g. <code>512M</code>, <code>1G</code>.
+     * Defaults to <code>512M</code>.
+     */
+    @Parameter(defaultValue = "512M")
+    private String minMemory;
+
+    /**
+     * Maximum heap size passed to {@code -Xmx}.
+     * Accepts standard JVM memory notation, e.g. <code>2G</code>, <code>4G</code>.
+     * Defaults to <code>2G</code>.
+     */
+    @Parameter(defaultValue = "2G")
+    private String maxMemory;
+
+    /**
+     * When {@code true}, automatically creates {@code eula.txt} with {@code eula=true}
+     * in the server directory if it does not already exist, bypassing the manual
+     * acceptance step. Defaults to {@code false}.
+     *
+     * <p>By setting this to {@code true} you are indicating that you accept the
+     * <a href="https://aka.ms/MinecraftEULA">Minecraft End User License Agreement</a>.</p>
+     */
+    @Parameter(defaultValue = "false")
+    private boolean acceptEula;
+
+    /**
+     * Additional JVM arguments to pass to the server process.
+     * These are inserted after -Xmx/-Xms and before -jar.
+     *
+     * <pre>{@code
+     * <jvmArgs>
+     *     <arg>-XX:+UseG1GC</arg>
+     *     <arg>-XX:+ParallelRefProcEnabled</arg>
+     * </jvmArgs>
+     * }</pre>
+     */
+    @Parameter
+    private List<String> jvmArgs = new ArrayList<>();
+
+    /**
+     * Whether to start the server with JDWP remote debugging enabled.
+     * When set to <code>true</code>, the JVM is launched with:
+     * <code>-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:{debugPort}</code>.
+     * Attach your IDE's remote debugger to the configured {@code debugPort} to use this feature.
+     * Defaults to <code>false</code>.
+     */
+    @Parameter(defaultValue = "false")
+    private boolean remoteDebug;
+
+    /**
+     * The port the JDWP remote debugger will listen on when {@code remoteDebug} is enabled.
+     * Defaults to <code>5005</code>.
+     *
+     * <pre>{@code
+     * <remoteDebug>true</remoteDebug>
+     * <debugPort>5005</debugPort>
+     * }</pre>
+     */
+    @Parameter(defaultValue = "5005")
+    private int debugPort;
+
+    /**
+     * The port the Minecraft server will listen on. Passed to the server via --port.
+     */
+    @Parameter
+    private Integer port;
+
+    @Override
+    public void execute() throws MojoExecutionException, MojoFailureException {
+        try {
+            for (var step : getSteps()) {
+                step.run();
+            }
+        } catch (StepExecutionException e) {
+            throw new MojoExecutionException(e.getMessage(), e.getCause());
+        }
+    }
+
+    private List<Step<?>> getSteps() {
+        List<Step<?>> steps = new ArrayList<>();
+        steps.add(new ServerInstallStep(getLog(),
+                new ServerInstallConfig(serverDirectory, pluginJar, serverJarName, serverSoftware, mcVersion, acceptEula)
+        ));
+        steps.add(new ServerRunStep(getLog(),
+                new ServerRunStepConfig(minMemory, maxMemory, jvmArgs, remoteDebug, debugPort, port, serverDirectory, serverJarName)
+        ));
+        return steps;
+    }
+}

src/main/java/org/strassburger/mcrun/config/ServerInstallConfig.java

@@ -0,0 +1,12 @@
+package org.strassburger.mcrun.config;
+
+import java.io.File;
+
+public record ServerInstallConfig(File serverDirectory,
+                                  File pluginJar,
+                                  String serverJarName,
+                                  String serverSoftware,
+                                  String mcVersion,
+                                  boolean acceptEula
+) {
+}

src/main/java/org/strassburger/mcrun/config/ServerRunStepConfig.java

@@ -0,0 +1,14 @@
+package org.strassburger.mcrun.config;
+
+import java.io.File;
+import java.util.List;
+
+public record ServerRunStepConfig(String minMemory,
+                                  String maxMemory,
+                                  List<String> jvmArgs,
+                                  boolean remoteDebug,
+                                  int debugPort,
+                                  Integer port,
+                                  File serverDirectory,
+                                  String serverJarName) {
+}

src/main/java/org/strassburger/mcrun/steps/ServerInstallStep.java

@@ -0,0 +1,60 @@
+package org.strassburger.mcrun.steps;
+
+import org.apache.maven.plugin.logging.Log;
+import org.strassburger.mcrun.config.ServerInstallConfig;
+import org.strassburger.mcrun.downloader.ServerJarDownloadException;
+import org.strassburger.mcrun.downloader.ServerJarDownloader;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+
+public class ServerInstallStep extends Step<ServerInstallConfig> {
+    public ServerInstallStep(Log log, ServerInstallConfig config) {
+        super(log, config);
+    }
+
+    @Override
+    public void run() throws StepExecutionException {
+        copyPlugin();
+        downloadServerJar();
+        acceptEula();
+    }
+
+    private void copyPlugin() throws StepExecutionException {
+        File pluginsDir = new File(getConfig().serverDirectory(), "plugins");
+        pluginsDir.mkdirs();
+        try {
+            Files.copy(getConfig().pluginJar().toPath(),
+                    new File(pluginsDir, getConfig().pluginJar().getName()).toPath(),
+                    StandardCopyOption.REPLACE_EXISTING);
+        } catch (IOException e) {
+            throw new StepExecutionException("Failed to copy plugin jar file: " + getConfig().pluginJar().getAbsolutePath(), e);
+        }
+    }
+
+    private void downloadServerJar() throws StepExecutionException {
+        try {
+            ServerJarDownloader jarDownloader = ServerJarDownloader.forServerSoftware(getConfig().serverSoftware())
+                    .withLog(getLog()).withServerDirectory(getConfig().serverDirectory())
+                    .withServerJarName(getConfig().serverJarName()).withMcVersion(getConfig().mcVersion())
+                    .build();
+            jarDownloader.run();
+        } catch (ServerJarDownloadException e) {
+            throw new StepExecutionException("Failed to download server jar", e);
+        }
+    }
+
+    private void acceptEula() throws StepExecutionException {
+        if (!getConfig().acceptEula()) return;
+        File eula = new File(getConfig().serverDirectory(), "eula.txt");
+        if (eula.exists()) return;
+        try {
+            Files.writeString(eula.toPath(), "eula=true\n");
+            getLog().info("eula.txt created and accepted.");
+        } catch (IOException e) {
+            throw new StepExecutionException("Failed to write eula.txt: " + e.getMessage(), e);
+        }
+    }
+}

src/main/java/org/strassburger/mcrun/steps/ServerRunStep.java

@@ -0,0 +1,54 @@
+package org.strassburger.mcrun.steps;
+
+import org.apache.maven.plugin.logging.Log;
+import org.strassburger.mcrun.config.ServerRunStepConfig;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ServerRunStep extends Step<ServerRunStepConfig> {
+    public ServerRunStep(Log log, ServerRunStepConfig config) {
+        super(log, config);
+    }
+
+    @Override
+    public void run() throws StepExecutionException {
+        startServerProcess();
+    }
+
+    private List<String> buildCommand() {
+        List<String> cmd = new ArrayList<>();
+        cmd.add("java");
+        cmd.add("-Xmx" + getConfig().maxMemory());
+        cmd.add("-Xms" + getConfig().minMemory());
+        if (getConfig().remoteDebug() && getConfig().debugPort() > 0) {
+            cmd.add(String.format("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:%d", getConfig().debugPort()));
+        }
+        cmd.addAll(getConfig().jvmArgs());
+        cmd.add("-jar");
+        cmd.add(getConfig().serverJarName());
+        cmd.add("--nogui");
+        if (getConfig().port() != null) {
+            cmd.add("--port");
+            cmd.add(String.valueOf(getConfig().port()));
+        }
+        return cmd;
+    }
+
+    private void startServerProcess() throws StepExecutionException {
+        List<String> command = buildCommand();
+        getLog().info("Starting server with command: " + String.join(" ", command));
+
+        ProcessBuilder pb = new ProcessBuilder(command);
+        pb.directory(getConfig().serverDirectory());
+        pb.inheritIO();
+        Process process;
+        try {
+            process = pb.start();
+            process.waitFor();
+        } catch (IOException | InterruptedException e) {
+            throw new StepExecutionException("Failed to start server: " + e.getMessage(), e);
+        }
+    }
+}

src/main/java/org/strassburger/mcrun/steps/Step.java

@@ -0,0 +1,23 @@
+package org.strassburger.mcrun.steps;
+
+import org.apache.maven.plugin.logging.Log;
+
+public abstract class Step<T> {
+    private final Log log;
+    private final T config;
+
+    public Step(Log log, T config) {
+        this.log = log;
+        this.config = config;
+    }
+
+    public abstract void run() throws StepExecutionException;
+
+    protected Log getLog() {
+        return log;
+    }
+
+    protected T getConfig() {
+        return config;
+    }
+}

src/main/java/org/strassburger/mcrun/steps/StepExecutionException.java

@@ -0,0 +1,11 @@
+package org.strassburger.mcrun.steps;
+
+public class StepExecutionException extends RuntimeException {
+    public StepExecutionException(String message) {
+        super(message);
+    }
+
+    public StepExecutionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}