diff --git a/backend/src/main.rs b/backend/src/main.rs
index 16b6ebd..f627dc9 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -1,10 +1,17 @@
+mod handlers;
 mod models;
+mod router;
 use axum::{Router, routing};
 use dotenv::dotenv;
 use models::*;
+use router::create_router;
 use serde::{Deserialize, Serialize};
 use sqlx::{PgPool, postgres::PgPoolOptions};
 
+pub struct AppState {
+    db: PgPool,
+}
+
 #[tokio::main]
 async fn main() {
     dotenv().ok();
diff --git a/backend/src/models.rs b/backend/src/models.rs
index c2e73cc..5a4e96f 100644
--- a/backend/src/models.rs
+++ b/backend/src/models.rs
@@ -1,7 +1,9 @@
+use std::fmt::Display;
+
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, PartialEq, Deserialize, Serialize)]
-pub enum category {
+pub enum Category {
     WhiteboardBeamer,
     Internet,
     IPadKoffer,
@@ -10,10 +12,23 @@ pub enum category {
     Sonstiges,
 }
 
+impl Display for Category {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::WhiteboardBeamer => write!(f, "Whiteboard Beamer"),
+            Self::Internet => write!(f, "Internet"),
+            Self::IPadKoffer => write!(f, "IPad Koffer"),
+            Self::AppleTV => write!(f, "Apple TV"),
+            Self::DocuCam => write!(f, "Docu Cam"),
+            Self::Sonstiges => write!(f, "Sonstiges"),
+        }
+    }
+}
+
 #[derive(Deserialize, Serialize, PartialEq, Debug)]
-pub struct ticket {
+pub struct Ticket {
     pub id: i32,
-    pub category: category,
+    pub category: Category,
     pub betreff: String,
     pub description: String,
     pub room: i16,
@@ -22,9 +37,17 @@ pub struct ticket {
 }
 
 #[derive(Deserialize, Serialize, PartialEq, Debug)]
-pub struct user {
+pub struct User {
     pub id: i16,
     pub first_name: String,
     pub last_name: String,
     pub is_admin: bool,
 }
+
+#[derive(Deserialize, Serialize, Debug)]
+pub struct TicketCreateScheme {
+    pub category: Category,
+    pub betreff: String,
+    pub description: String,
+    pub room: i16,
+}