diff --git a/deployment/apps.py b/deployment/apps.py
index dc276af..8143dd9 100644
--- a/deployment/apps.py
+++ b/deployment/apps.py
@@ -4,3 +4,8 @@ from django.apps import AppConfig
 class DeploymentConfig(AppConfig):
     default_auto_field = "django.db.models.BigAutoField"
     name = "deployment"
+
+    def ready(self) -> None:
+        import deployment.signals  # noqa
+
+        return super().ready()
diff --git a/deployment/channel.py b/deployment/channel.py
deleted file mode 100644
index fb30ef9..0000000
--- a/deployment/channel.py
+++ /dev/null
@@ -1,48 +0,0 @@
-from django.contrib.auth.models import User
-from django_eventstream import send_event
-from django_eventstream.channelmanager import DefaultChannelManager
-
-from deployment.models import Deployment
-
-
-def parse_channel(channel: str) -> tuple[str] | None:
-    parts = channel.lstrip("deployment_").split("_")
-    if len_part := len(parts):
-        if len_part == 1:
-            return (int(parts[0]), "")
-        if len_part == 2:
-            return (int(parts[0]), parts[1])
-    return
-
-
-class DeploymentChannelManager(DefaultChannelManager):
-    def can_read_channel(self, user: User, channel: str):
-        match parse_channel(channel):
-            case (user_id, ""):
-                return user_id == user.id or user.is_superuser
-            case (user_id, _):
-                # TODO(rmanach): check if the deployment belongs to the user
-                return user_id == user.id or user.is_superuser
-        return False
-
-
-class Event:
-    @staticmethod
-    def send_details(deployment: Deployment, progress: int):
-        send_event(
-            f"deployment_{deployment.user.id}_{deployment.id}",
-            "message",
-            {
-                "id": deployment.id,
-                "status": deployment.status,
-                "progress": progress,
-            },
-        )
-
-    @staticmethod
-    def send(deployment: Deployment):
-        send_event(
-            f"deployment_{deployment.user.id}",
-            "message",
-            {"id": deployment.id, "status": deployment.status},
-        )
diff --git a/deployment/tasks.py b/deployment/tasks.py
index f801e77..964c3fb 100644
--- a/deployment/tasks.py
+++ b/deployment/tasks.py
@@ -5,7 +5,7 @@ from uuid import UUID
 from celery import shared_task
 from celery.contrib.abortable import AbortableTask
 
-from deployment.channel import Event
+from deployment.channels import Event
 from deployment.models import Deployment, Type, Status
 
 
diff --git a/deployment/views.py b/deployment/views.py
index 8ae8be2..32e8598 100644
--- a/deployment/views.py
+++ b/deployment/views.py
@@ -13,7 +13,7 @@ from django.http import (
 )
 from django.shortcuts import render, get_object_or_404
 
-from deployment.channel import Event
+from deployment.channels import Event
 from deployment.forms import DeploymentForm
 from deployment.models import Deployment, Status
 from deployment.tasks import deploy as launch_deploy
@@ -30,7 +30,7 @@ def check_user_credits(user: User) -> bool:
                 return True
 
             deployments = Deployment.objects.filter(user=user)
-            return not len(deployments) >= dep_user.credits
+            return dep_user.credits > len(deployments)
     return True
 
 
@@ -135,8 +135,10 @@ def create(request):
 
         form = DeploymentForm(request.POST)
         if not form.is_valid():
-            return HttpResponseBadRequest(f"deployment creation inputs are invalid: {form.errors}")
-        
+            return HttpResponseBadRequest(
+                f"deployment creation inputs are invalid: {form.errors}"
+            )
+
         try:
             Deployment.objects.create(
                 user=request.user, id=uuid4(), **form.cleaned_data
diff --git a/mumui/settings.py b/mumui/settings.py
index a53c6f3..756f3cd 100644
--- a/mumui/settings.py
+++ b/mumui/settings.py
@@ -137,6 +137,6 @@ LOGIN_REDIRECT_URL = "home"
 LOGOUT_REDIRECT_URL = "home"
 
 GRIP_URL = "http://pushpin:5561"
-EVENTSTREAM_CHANNELMANAGER_CLASS = "deployment.channel.DeploymentChannelManager"
+EVENTSTREAM_CHANNELMANAGER_CLASS = "deployment.channels.DeploymentChannelManager"
 
 CSRF_TRUSTED_ORIGINS = [HOST] if IS_PROD else ["http://localhost:8080"]