diff --git a/src/main/java/dev/dinauer/maven/Dev.java b/src/main/java/dev/dinauer/maven/Dev.java
index cb2f124..b717e73 100644
--- a/src/main/java/dev/dinauer/maven/Dev.java
+++ b/src/main/java/dev/dinauer/maven/Dev.java
@@ -5,29 +5,24 @@ import io.quarkus.arc.profile.IfBuildProfile;
 import io.quarkus.runtime.Startup;
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.POST;
 
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 
-@ApplicationScoped
-@IfBuildProfile("x")
+@jakarta.ws.rs.Path("/dev")
+@IfBuildProfile("dev")
 public class Dev
 {
     @Inject
     Service service;
 
-    @Startup
-    void init() throws IOException
+    @GET
+    public void init() throws IOException
     {
-        service.upload("/org/apache/httpcomponents/client5/httpclient5/5.6/httpclient5-5.6.jar", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/core/src/main/resources/jar/httpclient5-5.6.jar"))).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/core/src/main/resources/jar/jackson-core-2.21.0.jar"))).close();
-
-        service.upload("/org/postgresql/postgresql/42.7.9/postgresql-42.7.9.jar", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/core/src/main/resources/jar/postgresql-42.7.9.jar"))).close();
-        service.upload("/org/postgresql/postgresql/42.2.9/postgresql-42.2.9.jar", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/core/src/main/resources/jar/postgresql-42.7.9.jar"))).close();
-        service.upload("/org/postgresql/postgresql/42.4.9/postgresql-42.4.9.jar", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/core/src/main/resources/jar/postgresql-42.7.9.jar"))).close();
-        service.upload("/org/postgresql/postgresql/41.4.9/postgresql-41.4.9.jar", Files.readAllBytes(Path.of("/home/andreas/Documents/dev/maven/core/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/core/src/main/resources/jar/postgresql-42.7.9.pom"))).close();
+        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();
     }
-}
+}
\ 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 2b3f7c6..d135c22 100644
--- a/src/main/java/dev/dinauer/maven/app/GroupResource.java
+++ b/src/main/java/dev/dinauer/maven/app/GroupResource.java
@@ -5,6 +5,7 @@ import dev.dinauer.maven.jpa.maven.GroupId;
 import jakarta.inject.Inject;
 import jakarta.ws.rs.GET;
 import jakarta.ws.rs.Path;
+import jakarta.ws.rs.PathParam;
 
 import java.util.List;
 
@@ -19,4 +20,11 @@ public class GroupResource
     {
         return groupRepo.listAll();
     }
+
+    @GET
+    @Path("/{group-id}")
+    public GroupId get(@PathParam("group-id") String groupId)
+    {
+        return groupRepo.findById(groupId);
+    }
 }
diff --git a/src/main/java/dev/dinauer/maven/maven/core/Service.java b/src/main/java/dev/dinauer/maven/maven/core/Service.java
index 3a106b2..18bfbda 100644
--- a/src/main/java/dev/dinauer/maven/maven/core/Service.java
+++ b/src/main/java/dev/dinauer/maven/maven/core/Service.java
@@ -14,6 +14,7 @@ import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;
 import jakarta.transaction.Transactional;
 import jakarta.ws.rs.NotFoundException;
+import jakarta.ws.rs.WebApplicationException;
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;
 import jdk.jshell.spi.ExecutionControl;
@@ -43,6 +44,10 @@ public class Service
     public Response upload(String path, byte[] body)
     {
         MavenContext mavenContext = MavenContextProvider.parse(path);
+        if (mavenContext.version().getSnapshot())
+        {
+            throw new WebApplicationException(501);
+        }
         switch (mavenContext.file().getType())
         {
             case JAR ->
diff --git a/src/test/java/dev/dinauer/maven/maven/core/ResourceTest.java b/src/test/java/dev/dinauer/maven/maven/core/ResourceTest.java
index 4c5ff66..93abebb 100644
--- a/src/test/java/dev/dinauer/maven/maven/core/ResourceTest.java
+++ b/src/test/java/dev/dinauer/maven/maven/core/ResourceTest.java
@@ -47,6 +47,14 @@ public class ResourceTest
         Assertions.assertEquals("a6b97b8d22c55f296040344dd75641b2", responsePomMd5);
     }
 
+    @Test
+    @TestSecurity(user = "user")
+    void test_snapshot()
+    {
+        RestAssured.given().body(readFile("/jar/postgresql-42.7.9.jar")).put("/maven2/org/postgresql/postgresql/42.7.9-SNAPSHOT/postgresql-42.7.9.jar").then().statusCode(501);
+        RestAssured.given().body(readFile("/jar/postgresql-42.7.9.pom")).put("/maven2/org/postgresql/postgresql/42.7.9-SNAPSHOT/postgresql-42.7.9.pom").then().statusCode(501);
+    }
+
     private InputStream readFile(String path)
     {
         return getClass().getResourceAsStream(path);