diff --git a/src/main/java/dev/dinauer/maven/Dev.java b/src/main/java/dev/dinauer/maven/Dev.java
index b717e73..578f588 100644
--- a/src/main/java/dev/dinauer/maven/Dev.java
+++ b/src/main/java/dev/dinauer/maven/Dev.java
@@ -24,5 +24,8 @@ public class Dev
     {
         service.upload("/org/postgresql/postgresql/41.4.9/postgresql-41.4.9.jar", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/src/main/resources/jar/postgresql-42.7.9.jar"))).close();
         service.upload("/org/postgresql/postgresql/41.4.9/postgresql-41.4.9.pom", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/src/main/resources/jar/postgresql-42.7.9.pom"))).close();
+
+        service.upload("/com/fasterxml/jackson/core/jackson-core/2.21.0/jackson-core-2.21.0.jar", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/src/main/resources/jar/jackson-core-2.21.0.jar"))).close();
+        service.upload("/com/fasterxml/jackson/core/jackson-core/2.21.0/jackson-core-2.21.0.pom", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/src/main/resources/jar/jackson-core-2.21.0.pom"))).close();
     }
 }
\ No newline at end of file
diff --git a/src/main/java/dev/dinauer/maven/app/GroupResource.java b/src/main/java/dev/dinauer/maven/app/GroupResource.java
index d135c22..26ec499 100644
--- a/src/main/java/dev/dinauer/maven/app/GroupResource.java
+++ b/src/main/java/dev/dinauer/maven/app/GroupResource.java
@@ -3,6 +3,8 @@ package dev.dinauer.maven.app;
 import dev.dinauer.maven.jpa.maven.repo.GroupRepo;
 import dev.dinauer.maven.jpa.maven.GroupId;
 import jakarta.inject.Inject;
+import jakarta.transaction.Transactional;
+import jakarta.ws.rs.DELETE;
 import jakarta.ws.rs.GET;
 import jakarta.ws.rs.Path;
 import jakarta.ws.rs.PathParam;
@@ -22,9 +24,17 @@ public class GroupResource
     }
 
     @GET
-    @Path("/{group-id}")
-    public GroupId get(@PathParam("group-id") String groupId)
+    @Path("/{id}")
+    public GroupId get(@PathParam("id") String id)
     {
-        return groupRepo.findById(groupId);
+        return groupRepo.findById(id);
+    }
+
+    @DELETE
+    @Path("/{id}")
+    @Transactional
+    public void delete(@PathParam("id") String id)
+    {
+        groupRepo.deleteById(id);
     }
 }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 549dc68..d03785d 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -6,6 +6,7 @@
 quarkus.http.access-log.enabled=true
 
 %test.quarkus.http.test-port=9081
+
 # Auth
 quarkus.http.auth.permission.authenticated.paths=/*
 quarkus.http.auth.permission.authenticated.policy=authenticated
diff --git a/src/main/resources/jar/jackson-core-2.21.0.pom b/src/main/resources/jar/jackson-core-2.21.0.pom
new file mode 100644
index 0000000..cc27fcf
--- /dev/null
+++ b/src/main/resources/jar/jackson-core-2.21.0.pom
@@ -0,0 +1,240 @@
+<?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/maven-v4_0_0.xsd">
+    <parent>
+        <artifactId>jackson-base</artifactId>
+        <groupId>com.fasterxml.jackson</groupId>
+        <version>2.21.0</version>
+        <relativePath>../pom.xml/pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion> <!-- do_not_remove: published-with-gradle-metadata -->
+    <groupId>com.fasterxml.jackson.core</groupId>
+    <artifactId>jackson-core</artifactId>
+    <name>Jackson-core</name>
+    <version>2.21.0</version>
+    <description>Core Jackson processing abstractions (aka Streaming API), implementation for JSON</description>
+    <url>https://github.com/FasterXML/jackson-core</url>
+    <inceptionYear>2008</inceptionYear>
+    <licenses>
+        <license>
+            <name>The Apache Software License, Version 2.0</name>
+            <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+    <scm>
+        <connection>scm:git:git@github.com:FasterXML/jackson-core.git</connection>
+        <developerConnection>scm:git:git@github.com:FasterXML/jackson-core.git</developerConnection>
+        <tag>jackson-core-2.21.0</tag>
+        <url>https://github.com/FasterXML/jackson-core</url>
+    </scm>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>report</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <artifactId>maven-enforcer-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>enforce-properties</id>
+                        <phase>validate</phase>
+                        <goals>
+                            <goal>enforce</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>enforce-jacoco-exec</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>enforce</goal>
+                        </goals>
+                        <configuration>
+                            <rules>
+                                <requireFilesExist>
+                                    <files>
+                                        <file>${project.build.directory}/jacoco.exec</file>
+                                    </files>
+                                </requireFilesExist>
+                            </rules>
+                            <fail>${jacocoStrict}</fail>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <artifactId>maven-site-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${version.plugin.surefire}</version>
+                <configuration>
+                    <redirectTestOutputToFile>${surefire.redirectTestOutputToFile}</redirectTestOutputToFile>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>com.google.code.maven-replacer-plugin</groupId>
+                <artifactId>replacer</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.cyclonedx</groupId>
+                <artifactId>cyclonedx-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.moditect</groupId>
+                <artifactId>moditect-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>build-helper-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <artifactId>maven-shade-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>shade-jackson-core</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <filters>
+                                <filter>
+                                    <artifact>ch.randelshofer:fastdoubleparser</artifact>
+                                    <excludes>
+                                        <exclude>META-INF/LICENSE</exclude>
+                                        <exclude>META-INF/MANIFEST.MF</exclude>
+                                        <exclude>META-INF/versions/**/module-info.*</exclude>
+                                        <exclude>META-INF/versions/23/**</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                            <relocations>
+                                <relocation>
+                                    <pattern>ch/randelshofer/fastdoubleparser</pattern>
+                                    <shadedPattern>com/fasterxml/jackson/core/internal/shaded/fdp/v${project.version.underscore}</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>ch/randelshofer/fastdoubleparser/bte</pattern>
+                                    <shadedPattern>com/fasterxml/jackson/core/internal/shaded/fdp/v${project.version.underscore}/bte</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>ch/randelshofer/fastdoubleparser/chr</pattern>
+                                    <shadedPattern>com/fasterxml/jackson/core/internal/shaded/fdp/v${project.version.underscore}/chr</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>META-INF/LICENSE</pattern>
+                                    <shadedPattern>META-INF/FastDoubleParser-LICENSE</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>META-INF/NOTICE</pattern>
+                                    <shadedPattern>META-INF/FastDoubleParser-NOTICE</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>META-INF/jackson-core-LICENSE</pattern>
+                                    <shadedPattern>META-INF/LICENSE</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>META-INF/jackson-core-NOTICE</pattern>
+                                    <shadedPattern>META-INF/NOTICE</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>META-INF/versions/11/ch/randelshofer/fastdoubleparser</pattern>
+                                    <shadedPattern>META-INF/versions/11/com/fasterxml/jackson/core/internal/shaded/fdp/v${project.version.underscore}</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>META-INF/versions/17/ch/randelshofer/fastdoubleparser</pattern>
+                                    <shadedPattern>META-INF/versions/17/com/fasterxml/jackson/core/internal/shaded/fdp/v${project.version.underscore}</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>META-INF/versions/21/ch/randelshofer/fastdoubleparser</pattern>
+                                    <shadedPattern>META-INF/versions/21/com/fasterxml/jackson/core/internal/shaded/fdp/v${project.version.underscore}</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>META-INF/versions/23/ch/randelshofer/fastdoubleparser</pattern>
+                                    <shadedPattern>META-INF/versions/23/com/fasterxml/jackson/core/internal/shaded/fdp/v${project.version.underscore}</shadedPattern>
+                                </relocation>
+                            </relocations>
+                        </configuration>
+                    </execution>
+                </executions>
+                <configuration>
+                    <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
+                    <createDependencyReducedPom>true</createDependencyReducedPom>
+                    <minimizeJar>true</minimizeJar>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.gradlex</groupId>
+                <artifactId>gradle-module-metadata-maven-plugin</artifactId>
+                <configuration>
+                    <removedDependencies>
+                        <dependency>
+                            <groupId>ch.randelshofer</groupId>
+                            <artifactId>fastdoubleparser</artifactId>
+                        </dependency>
+                    </removedDependencies>
+                </configuration>
+            </plugin>
+            <plugin>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Multi-Release>true</Multi-Release>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>animal-sniffer-maven-plugin</artifactId>
+                <version>${version.plugin.animal-sniffer}</version>
+                <configuration>
+                    <signature>
+                        <groupId>com.toasttab.android</groupId>
+                        <artifactId>gummy-bears-api-${version.android.sdk}</artifactId>
+                        <version>${version.android.sdk.signature}</version>
+                    </signature>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <repositories>
+        <repository>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+            <snapshots />
+            <id>central-snapshots</id>
+            <name>Sonatype Central Portal (snapshots)</name>
+            <url>https://central.sonatype.com/repository/maven-snapshots</url>
+        </repository>
+    </repositories>
+    <properties>
+        <project.build.outputTimestamp>2026-01-18T22:52:59Z</project.build.outputTimestamp>
+        <version.android.sdk.signature>0.5.1</version.android.sdk.signature>
+        <osgi.export>com.fasterxml.jackson.core;version=${project.version},
+            com.fasterxml.jackson.core.*;version=${project.version}</osgi.export>
+        <jacocoStrict>false</jacocoStrict>
+        <packageVersion.dir>com/fasterxml/jackson/core/json</packageVersion.dir>
+        <osgi.import>!ch.randelshofer.fastdoubleparser, *</osgi.import>
+        <version.android.sdk>26</version.android.sdk>
+        <version.plugin.animal-sniffer>1.23</version.plugin.animal-sniffer>
+        <packageVersion.package>${project.groupId}.json</packageVersion.package>
+    </properties>
+</project>
\ No newline at end of file