diff --git a/DjangoFiles/Administration/__init__.py b/DjangoFiles/Administration/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/DjangoFiles/Administration/admin.py b/DjangoFiles/Administration/admin.py
deleted file mode 100644
index 60b2a4f..0000000
--- a/DjangoFiles/Administration/admin.py
+++ /dev/null
@@ -1,8 +0,0 @@
-from django.contrib import admin
-from django_tenants.admin import TenantAdminMixin
-
-from Customers.models import Client
-
-@admin.register(Client)
-class ClientAdmin(TenantAdminMixin, admin.ModelAdmin):
-        list_display = ('name', 'paid_until')
\ No newline at end of file
diff --git a/DjangoFiles/Administration/apps.py b/DjangoFiles/Administration/apps.py
deleted file mode 100644
index bad86a2..0000000
--- a/DjangoFiles/Administration/apps.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from django.apps import AppConfig
-
-
-class AdministrationConfig(AppConfig):
-    name = 'Administration'
diff --git a/DjangoFiles/Administration/migrations/__init__.py b/DjangoFiles/Administration/migrations/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/DjangoFiles/Administration/models.py b/DjangoFiles/Administration/models.py
deleted file mode 100644
index 71a8362..0000000
--- a/DjangoFiles/Administration/models.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.db import models
-
-# Create your models here.
diff --git a/DjangoFiles/Administration/tests.py b/DjangoFiles/Administration/tests.py
deleted file mode 100644
index 7ce503c..0000000
--- a/DjangoFiles/Administration/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/DjangoFiles/Administration/views.py b/DjangoFiles/Administration/views.py
deleted file mode 100644
index 91ea44a..0000000
--- a/DjangoFiles/Administration/views.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.shortcuts import render
-
-# Create your views here.
diff --git a/DjangoFiles/Customers/migrations/0001_initial.py b/DjangoFiles/Customers/migrations/0001_initial.py
deleted file mode 100644
index 7e05e9d..0000000
--- a/DjangoFiles/Customers/migrations/0001_initial.py
+++ /dev/null
@@ -1,42 +0,0 @@
-# Generated by Django 3.1 on 2021-06-10 10:54
-
-from django.db import migrations, models
-import django.db.models.deletion
-import django_tenants.postgresql_backend.base
-
-
-class Migration(migrations.Migration):
-
-    initial = True
-
-    dependencies = [
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Client',
-            fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('schema_name', models.CharField(db_index=True, max_length=63, unique=True, validators=[django_tenants.postgresql_backend.base._check_schema_name])),
-                ('name', models.CharField(max_length=100)),
-                ('paid_until', models.DateField()),
-                ('on_trial', models.BooleanField()),
-                ('created_on', models.DateField(auto_now_add=True)),
-            ],
-            options={
-                'abstract': False,
-            },
-        ),
-        migrations.CreateModel(
-            name='Domain',
-            fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('domain', models.CharField(db_index=True, max_length=253, unique=True)),
-                ('is_primary', models.BooleanField(db_index=True, default=True)),
-                ('tenant', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='domains', to='Customers.client')),
-            ],
-            options={
-                'abstract': False,
-            },
-        ),
-    ]
diff --git a/DjangoFiles/Customers/migrations/0002_create_tenant_public.py b/DjangoFiles/Customers/migrations/0002_create_tenant_public.py
deleted file mode 100644
index b05b4e5..0000000
--- a/DjangoFiles/Customers/migrations/0002_create_tenant_public.py
+++ /dev/null
@@ -1,46 +0,0 @@
-# Generated by Django 3.1 on 2021-06-10 10:56
-import os
-from django.db import migrations
-
-
-def create_premier_tenant(apps, schema_editor):
-    # We can't import the Person model directly as it may be a newer
-    # version than this migration expects. We use the historical version.
-    Client = apps.get_model('Customers', 'Client')
-    Domain = apps.get_model('Customers', 'Domain')
-    DNS = os.getenv('DOMAIN')
-
-    tenant_public = Client.objects.get_or_create(schema_name='public',
-                                                 name='Tibillet Public',
-                                                 paid_until='2200-12-05',
-                                                 on_trial=False)[0]
-
-    # Add one or more domains for the tenant
-    domaine_seul = Domain.objects.get_or_create(domain=DNS,
-                                                tenant=tenant_public,
-                                                is_primary=True,
-                                                )
-
-    domaine_www = Domain.objects.get_or_create(domain=f'www.{DNS}',
-                                               tenant=tenant_public,
-                                               is_primary=False,
-                                               )
-
-    return tenant_public, domaine_seul[0], domaine_www[0]
-
-
-def reverse(apps, schema_editor):
-    tenant_public, domaine_seul, domaine_www = create_premier_tenant(apps, schema_editor)
-    tenant_public.delete()
-    domaine_seul.delete()
-    domaine_www.delete()
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ('Customers', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.RunPython(create_premier_tenant, reverse),
-    ]
diff --git a/DjangoFiles/Customers/models.py b/DjangoFiles/Customers/models.py
index 86b9b2c..71a8362 100644
--- a/DjangoFiles/Customers/models.py
+++ b/DjangoFiles/Customers/models.py
@@ -1,14 +1,3 @@
 from django.db import models
-from django_tenants.models import TenantMixin, DomainMixin
 
-class Client(TenantMixin):
-    name = models.CharField(max_length=100)
-    paid_until =  models.DateField()
-    on_trial = models.BooleanField()
-    created_on = models.DateField(auto_now_add=True)
-
-    # default true, schema will be automatically created and synced when it is saved
-    auto_create_schema = True
-
-class Domain(DomainMixin):
-    pass
+# Create your models here.
diff --git a/DjangoFiles/TiBillet/asgi.py b/DjangoFiles/TiBillet/asgi.py
deleted file mode 100644
index 0c34623..0000000
--- a/DjangoFiles/TiBillet/asgi.py
+++ /dev/null
@@ -1,16 +0,0 @@
-"""
-ASGI config for TiBillet project.
-
-It exposes the ASGI callable as a module-level variable named ``application``.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/3.1/howto/deployment/asgi/
-"""
-
-import os
-
-from django.core.asgi import get_asgi_application
-
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'TiBillet.settings')
-
-application = get_asgi_application()
diff --git a/DjangoFiles/TiBillet/settings.py b/DjangoFiles/TiBillet/settings.py
index 0b2595c..5f6a0b8 100644
--- a/DjangoFiles/TiBillet/settings.py
+++ b/DjangoFiles/TiBillet/settings.py
@@ -1,67 +1,45 @@
 """
 Django settings for TiBillet project.
 
-Generated by 'django-admin startproject' using Django 3.1.
+Generated by 'django-admin startproject' using Django 2.2.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/3.1/topics/settings/
+https://docs.djangoproject.com/en/2.2/topics/settings/
 
 For the full list of settings and their values, see
-https://docs.djangoproject.com/en/3.1/ref/settings/
+https://docs.djangoproject.com/en/2.2/ref/settings/
 """
-import os
-from pathlib import Path
 
-# Build paths inside the project like this: BASE_DIR / 'subdir'.
-BASE_DIR = Path(__file__).resolve(strict=True).parent.parent
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
 
 # Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/
+# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = os.environ.get('DJANGO_SECRET')
+SECRET_KEY = '(4ux&3#$@yn=dxpi%sl^*&ib+mtg2c0-2gxwjl-m&^ci@+a!o!'
 
 # SECURITY WARNING: don't run with debug turned on in production!
-# noinspection DjangoDebugModeSettings
-if os.environ.get('DEBUG_DJANGO') == "True":
-    DEBUG = True
-else:
-    DEBUG = False
+DEBUG = True
+
+ALLOWED_HOSTS = []
 
-ALLOWED_HOSTS = ['*']
 
 # Application definition
 
-SHARED_APPS = (
-    'django_tenants',  # mandatory
-    'Customers', # you must list the app where your tenant model resides in
-
-    'django.contrib.contenttypes',
-
-    # everything below here is optional
-    'django.contrib.auth',
-    'django.contrib.sessions',
-    'django.contrib.sites',
-    'django.contrib.messages',
+INSTALLED_APPS = [
     'django.contrib.admin',
-    'django_extensions',
-    'Administration',
-)
-
-TENANT_APPS = (
-    # The following Django contrib apps must be in TENANT_APPS
+    'django.contrib.auth',
     'django.contrib.contenttypes',
-
-    # your tenant-specific apps
-)
-
-INSTALLED_APPS = list(SHARED_APPS) + [app for app in TENANT_APPS if app not in SHARED_APPS]
-TENANT_MODEL = "Customers.Client" # app.Model
-TENANT_DOMAIN_MODEL = "Customers.Domain"  # app.Model
-
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
 
 MIDDLEWARE = [
-    'django_tenants.middleware.main.TenantMainMiddleware',
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
@@ -91,26 +69,20 @@ TEMPLATES = [
 
 WSGI_APPLICATION = 'TiBillet.wsgi.application'
 
+
 # Database
-# https://docs.djangoproject.com/en/3.1/ref/settings/#databases
+# https://docs.djangoproject.com/en/2.2/ref/settings/#databases
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django_tenants.postgresql_backend',  # Add 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
-        'NAME': os.environ.get('POSTGRES_DB'),
-        'USER': os.environ.get('POSTGRES_USER'),
-        'PASSWORD': os.environ.get('POSTGRES_PASSWORD'),
-        'HOST': os.environ.get('POSTGRES_HOST'),
-        'PORT': os.environ.get('POSTGRES_PORT', '5432'),
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
     }
 }
 
-DATABASE_ROUTERS = (
-    'django_tenants.routers.TenantSyncRouter',
-)
 
 # Password validation
-# https://docs.djangoproject.com/en/3.1/ref/settings/#auth-password-validators
+# https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators
 
 AUTH_PASSWORD_VALIDATORS = [
     {
@@ -127,8 +99,9 @@ AUTH_PASSWORD_VALIDATORS = [
     },
 ]
 
+
 # Internationalization
-# https://docs.djangoproject.com/en/3.1/topics/i18n/
+# https://docs.djangoproject.com/en/2.2/topics/i18n/
 
 LANGUAGE_CODE = 'en-us'
 
@@ -140,7 +113,8 @@ USE_L10N = True
 
 USE_TZ = True
 
+
 # Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/3.1/howto/static-files/
+# https://docs.djangoproject.com/en/2.2/howto/static-files/
 
 STATIC_URL = '/static/'
diff --git a/DjangoFiles/TiBillet/urls.py b/DjangoFiles/TiBillet/urls.py
index 303b144..fcbdad3 100644
--- a/DjangoFiles/TiBillet/urls.py
+++ b/DjangoFiles/TiBillet/urls.py
@@ -1,7 +1,7 @@
 """TiBillet URL Configuration
 
 The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/3.1/topics/http/urls/
+    https://docs.djangoproject.com/en/2.2/topics/http/urls/
 Examples:
 Function views
     1. Add an import:  from my_app import views
diff --git a/DjangoFiles/TiBillet/wsgi.py b/DjangoFiles/TiBillet/wsgi.py
index 2a102c5..0a62464 100644
--- a/DjangoFiles/TiBillet/wsgi.py
+++ b/DjangoFiles/TiBillet/wsgi.py
@@ -4,7 +4,7 @@ WSGI config for TiBillet project.
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/3.1/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/2.2/howto/deployment/wsgi/
 """
 
 import os
diff --git a/DjangoFiles/launch.sh b/DjangoFiles/launch.sh
index a8fcc88..3b691eb 100755
--- a/DjangoFiles/launch.sh
+++ b/DjangoFiles/launch.sh
@@ -1 +1 @@
-sleep 36d
\ No newline at end of file
+sleep 30d
\ No newline at end of file
diff --git a/DjangoFiles/manage.py b/DjangoFiles/manage.py
index 96e0cbb..402c2cc 100755
--- a/DjangoFiles/manage.py
+++ b/DjangoFiles/manage.py
@@ -5,7 +5,6 @@ import sys
 
 
 def main():
-    """Run administrative tasks."""
     os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'TiBillet.settings')
     try:
         from django.core.management import execute_from_command_line
diff --git a/Docker/Dockerfile/dockerfile b/Docker/Dockerfile/dockerfile
index c50f2d9..1e019b7 100644
--- a/Docker/Dockerfile/dockerfile
+++ b/Docker/Dockerfile/dockerfile
@@ -6,7 +6,7 @@ RUN apt-get upgrade -y
 RUN pip install pip --upgrade
 
 ## PYTHON
-RUN pip install django==3.1
+RUN pip install django==2.2
 RUN pip install djangorestframework==3.11
 RUN pip install requests
 RUN pip install django-jet