diff --git a/src/main.rs b/src/main.rs
index 6a3a3a6..712fc40 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,7 @@ use std::time;
 use chrono::prelude::*;
 use database::init_database_pool;
 use model::{Job, JobAction};
-use worker::{Manager, WorkerStatus};
+use worker::{DeployHandler, Manager, WorkerStatus};
 
 fn main() {
     let now: DateTime<Utc> = Utc::now();
@@ -18,7 +18,9 @@ fn main() {
     init_database_pool();
 
     let mut deployer: Manager<Job> = Manager::new("deploy");
-    deployer.launch_workers(10);
+
+    let handler = DeployHandler::new();
+    deployer.launch_workers(4, handler);
 
     for i in 0..5000 {
         let job = Job::new(i, JobAction::MegaportDeploy);
diff --git a/src/worker/handler.rs b/src/worker/handler.rs
new file mode 100644
index 0000000..92d6d02
--- /dev/null
+++ b/src/worker/handler.rs
@@ -0,0 +1,31 @@
+use crate::message::Message;
+
+pub trait Handler {
+    fn handle(&self, res: Result<Message, String>);
+}
+
+#[derive(Clone, Copy)]
+pub struct DeployHandler {}
+
+impl DeployHandler {
+    pub fn new() -> Self {
+        Self {}
+    }
+
+    fn manage_message(&self, message: Message) {
+        match message {
+            Message::CheckDeploy(body) => {
+                println!("{:?}", body)
+            }
+        }
+    }
+}
+
+impl Handler for DeployHandler {
+    fn handle(&self, res: Result<Message, String>) {
+        match res {
+            Ok(m) => self.manage_message(m),
+            Err(_e) => todo!(),
+        }
+    }
+}
diff --git a/src/worker/mod.rs b/src/worker/mod.rs
index 1657494..0235f12 100644
--- a/src/worker/mod.rs
+++ b/src/worker/mod.rs
@@ -1,3 +1,5 @@
+mod handler;
 mod worker;
 
+pub use handler::DeployHandler;
 pub use worker::{Manager, Queue, WorkerStatus};
diff --git a/src/worker/worker.rs b/src/worker/worker.rs
index 423fad2..04ffdd8 100644
--- a/src/worker/worker.rs
+++ b/src/worker/worker.rs
@@ -1,8 +1,9 @@
 use std::collections::VecDeque;
+use std::marker::Send;
 use std::sync::{Arc, Condvar, Mutex};
 use std::thread;
 
-use crate::message::Message;
+use super::handler::Handler;
 use crate::model::*;
 
 pub struct Queue<T> {
@@ -58,7 +59,7 @@ pub struct Manager<T: Runner> {
     queue: Arc<Queue<T>>,
 }
 
-impl<T: Runner + std::marker::Send + 'static> Manager<T> {
+impl<T: Runner + Send + 'static> Manager<T> {
     pub fn new(name: &str) -> Self {
         Self {
             name: name.to_string(),
@@ -67,7 +68,11 @@ impl<T: Runner + std::marker::Send + 'static> Manager<T> {
         }
     }
 
-    pub fn launch_workers(&mut self, nb_workers: u32) {
+    pub fn launch_workers<U: Handler + Send + 'static + Copy>(
+        &mut self,
+        nb_workers: u32,
+        handler: U,
+    ) {
         for i in 0..nb_workers {
             let shared_worker = Arc::new(Mutex::new(Worker::new(i, self.name.clone())));
             self.workers.push(shared_worker.clone());
@@ -89,10 +94,7 @@ impl<T: Runner + std::marker::Send + 'static> Manager<T> {
                 drop(guard);
 
                 Manager::<T>::set_worker_status(&worker, WorkerStatus::Running);
-                match runner.run() {
-                    Ok(m) => Manager::<T>::manage_message(m),
-                    Err(_e) => todo!(),
-                }
+                handler.handle(runner.run());
                 Manager::<T>::set_worker_status(&worker, WorkerStatus::Pending);
             });
         }
@@ -114,14 +116,6 @@ impl<T: Runner + std::marker::Send + 'static> Manager<T> {
         true
     }
 
-    fn manage_message(message: Message) {
-        match message {
-            Message::CheckDeploy(body) => {
-                println!("{:?}", body)
-            }
-        }
-    }
-
     fn set_worker_status(worker: &Arc<Mutex<Worker>>, status: WorkerStatus) {
         let mut guard = worker.lock().unwrap();
         guard.set_status(status);