diff --git a/app/settings.py b/app/settings.py
new file mode 100644
index 0000000..10cc1b9
--- /dev/null
+++ b/app/settings.py
@@ -0,0 +1,242 @@
+"""
+Django settings for the experiENS project
+"""
+
+from pathlib import Path
+
+from loadcredential import Credentials
+
+from django.urls import reverse_lazy
+from django.utils.translation import gettext_lazy as _
+
+credentials = Credentials(env_prefix="EXPERIENS_")
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+# WARNING: keep the secret key used in production secret!
+SECRET_KEY = credentials["SECRET_KEY"]
+
+# WARNING: don't run with debug turned on in production!
+DEBUG = credentials.get_json("DEBUG", False)
+
+ALLOWED_HOSTS = credentials.get_json("ALLOWED_HOSTS", [])
+
+ADMINS = credentials.get_json("ADMINS", [])
+
+SITE_ID = 1
+
+
+###
+# ElasticSearch configuration
+
+USE_ELASTICSEARCH = credentials.get_json("USE_ELASTICSEARCH", False)
+ELASTICSEARCH_DSL = credentials.get_json(
+    "ELASTICSEARCH_DSL", {"default": {"hosts": "127.0.0.1:9200"}}
+)
+
+
+###
+# Libraries configuration
+
+GDAL_LIBRARY_PATH = credentials.get("GDAL_LIBRARY_PATH")
+GEOS_LIBRARY_PATH = credentials.get("GEOS_LIBRARY_PATH")
+
+
+###
+# List the installed applications
+
+INSTALLED_APPS = [
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "django.contrib.gis",
+    "django.contrib.sites",
+    *(["django_elasticsearch_dsl"] if USE_ELASTICSEARCH else []),
+    "simple_email_confirmation",
+    "authens",
+    "tastypie",
+    "braces",
+    "tinymce",
+    "taggit",
+    "taggit_autosuggest",
+    "avisstage",
+]
+
+
+###
+# List the installed middlewares
+
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+
+###
+# The main url configuration
+
+ROOT_URLCONF = "app.urls"
+
+
+###
+# Template configuration:
+#   - Django Templating Language is used
+#   - Application directories can be used
+
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.contrib.auth.context_processors.auth",
+                "django.template.context_processors.debug",
+                "django.template.context_processors.i18n",
+                "django.template.context_processors.media",
+                "django.template.context_processors.static",
+                "django.template.context_processors.tz",
+                "django.template.context_processors.request",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
+
+
+###
+# Database configuration
+#   -> https://docs.djangoproject.com/en/4.2/ref/settings/#databases
+
+DEFAULT_AUTO_FIELD = "django.db.models.AutoField"
+
+DATABASES = credentials.get_json(
+    "DATABASES",
+    {
+        "default": {
+            "ENGINE": "django.contrib.gis.db.backends.spatialite",
+            "NAME": BASE_DIR / "db.sqlite3",
+        }
+    },
+)
+
+CACHES = credentials.get_json(
+    "CACHES",
+    default={
+        "default": {
+            "BACKEND": "django.core.cache.backends.locmem.LocMemCache",
+        },
+    },
+)
+
+
+###
+# WSGI application configuration
+
+WSGI_APPLICATION = "app.wsgi.application"
+
+
+###
+# Staticfiles configuration
+
+STATIC_ROOT = credentials["STATIC_ROOT"]
+STATIC_URL = "/static/"
+
+MEDIA_ROOT = credentials.get("MEDIA_ROOT", BASE_DIR / "media")
+MEDIA_URL = "/media/"
+
+
+###
+# Internationalization configuration
+#   -> https://docs.djangoproject.com/en/4.2/topics/i18n/
+
+LANGUAGE_CODE = "fr-fr"
+TIME_ZONE = "Europe/Paris"
+
+USE_I18N = True
+USE_L10N = True
+USE_TZ = True
+
+LANGUAGES = [
+    ("fr", _("Français")),
+]
+
+
+###
+# Authentication configuration
+
+AUTHENTICATION_BACKENDS = [
+    "django.contrib.auth.backends.ModelBackend",
+    "experiENS.auth.ENSCASBackend",
+]
+
+CAS_SERVER_URL = "https://cas.eleves.ens.fr/"  # SPI CAS
+
+AUTHENS_USE_OLDCAS = False
+
+LOGIN_URL = reverse_lazy("authens:login")
+LOGOUT_URL = reverse_lazy("authens:logout")
+LOGIN_REDIRECT_URL = reverse_lazy("avisstage:perso")
+LOGOUT_REDIRECT_URL = reverse_lazy("avisstage:index")
+
+
+AUTH_PASSWORD_VALIDATORS = [
+    {"NAME": f"django.contrib.auth.password_validation.{v}"}
+    for v in [
+        "UserAttributeSimilarityValidator",
+        "MinimumLengthValidator",
+        "CommonPasswordValidator",
+        "NumericPasswordValidator",
+    ]
+]
+
+
+###
+# Logging configuration
+
+LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "handlers": {
+        "file": {
+            "level": "INFO",
+            "class": "logging.FileHandler",
+            "filename": credentials.get(
+                "RECHERCHE_LOG_FILE", BASE_DIR / "recherche.log"
+            ),
+        },
+    },
+    "loggers": {
+        "recherche": {
+            "handlers": ["file"],
+            "level": "INFO",
+            "propagate": True,
+        },
+    },
+}
+
+
+###
+# LDAP configuration
+
+CLIPPER_LDAP_SERVER = credentials.get("CLIPPER_LDAP_SERVER", "ldaps://localhost:636")
+
+
+# Development settings
+if DEBUG:
+    EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"
+    INSTALLED_APPS += [
+        "debug_toolbar",
+    ]
+
+    MIDDLEWARE = ["debug_toolbar.middleware.DebugToolbarMiddleware", *MIDDLEWARE]
diff --git a/app/settings_base.py b/app/settings_base.py
deleted file mode 100644
index 2aa9fee..0000000
--- a/app/settings_base.py
+++ /dev/null
@@ -1,143 +0,0 @@
-"""
-Django settings for experiENS project.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/1.7/topics/settings/
-
-For the full list of settings and their values, see
-https://docs.djangoproject.com/en/1.7/ref/settings/
-"""
-
-# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
-import os
-
-from django.urls import reverse_lazy
-
-from .secrets import GOOGLE_API_KEY, MAPBOX_API_KEY, SECRET_KEY  # noqa
-
-BASE_DIR = os.path.dirname(os.path.dirname(__file__))
-
-# Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/1.7/howto/deployment/checklist/
-
-ALLOWED_HOSTS = []
-
-# Application definition
-
-INSTALLED_APPS = [
-    "django.contrib.admin",
-    "django.contrib.auth",
-    "django.contrib.contenttypes",
-    "django.contrib.sessions",
-    "django.contrib.messages",
-    "django.contrib.staticfiles",
-    "django.contrib.gis",
-    "django.contrib.sites",
-    "django_elasticsearch_dsl",
-    # 'allauth',                # Uncomment that part when you
-    # 'allauth.account',        # apply migration
-    # 'allauth.socialaccount',  # Allauth -> AuthENS
-    "simple_email_confirmation",
-    "authens",
-    "tastypie",
-    "braces",
-    "tinymce",
-    "taggit",
-    "taggit_autosuggest",
-    "avisstage",
-]
-
-MIDDLEWARE = (
-    "django.middleware.security.SecurityMiddleware",
-    "django.contrib.sessions.middleware.SessionMiddleware",
-    "django.middleware.common.CommonMiddleware",
-    "django.middleware.csrf.CsrfViewMiddleware",
-    "django.contrib.auth.middleware.AuthenticationMiddleware",
-    "django.contrib.messages.middleware.MessageMiddleware",
-    "django.middleware.clickjacking.XFrameOptionsMiddleware",
-)
-
-
-TEMPLATES = [
-    {
-        "BACKEND": "django.template.backends.django.DjangoTemplates",
-        "DIRS": [
-            # insert your TEMPLATE_DIRS here
-        ],
-        "APP_DIRS": True,
-        "OPTIONS": {
-            "context_processors": [
-                "django.contrib.auth.context_processors.auth",
-                "django.template.context_processors.debug",
-                "django.template.context_processors.i18n",
-                "django.template.context_processors.media",
-                "django.template.context_processors.static",
-                "django.template.context_processors.tz",
-                "django.template.context_processors.request",
-                "django.contrib.messages.context_processors.messages",
-            ],
-        },
-    },
-]
-
-
-ROOT_URLCONF = "experiENS.urls"
-
-WSGI_APPLICATION = "experiENS.wsgi.application"
-
-
-# Database
-# https://docs.djangoproject.com/en/1.7/ref/settings/#databases
-
-# Internationalization
-# https://docs.djangoproject.com/en/1.7/topics/i18n/
-
-LANGUAGE_CODE = "fr"
-
-TIME_ZONE = "Europe/Paris"
-
-USE_I18N = True
-
-USE_L10N = True
-
-USE_TZ = True
-
-SITE_ID = 1
-
-# Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/1.7/howto/static-files/
-
-STATIC_URL = "/static/"
-
-AUTHENTICATION_BACKENDS = (
-    "django.contrib.auth.backends.ModelBackend",
-    "experiENS.auth.ENSCASBackend",
-)
-
-CAS_SERVER_URL = "https://cas.eleves.ens.fr/"  # SPI CAS
-
-AUTHENS_USE_OLDCAS = False
-
-LOGIN_URL = reverse_lazy("authens:login")
-LOGOUT_URL = reverse_lazy("authens:logout")
-LOGIN_REDIRECT_URL = reverse_lazy("avisstage:perso")
-LOGOUT_REDIRECT_URL = reverse_lazy("avisstage:index")
-
-LOGGING = {
-    "version": 1,
-    "disable_existing_loggers": False,
-    "handlers": {
-        "file": {
-            "level": "INFO",
-            "class": "logging.FileHandler",
-            "filename": os.path.join(BASE_DIR, "recherche.log"),
-        },
-    },
-    "loggers": {
-        "recherche": {
-            "handlers": ["file"],
-            "level": "INFO",
-            "propagate": True,
-        },
-    },
-}
diff --git a/app/settings_dev.py b/app/settings_dev.py
deleted file mode 100644
index e1fa2a4..0000000
--- a/app/settings_dev.py
+++ /dev/null
@@ -1,45 +0,0 @@
-import os
-
-from .settings_base import *  # noqa
-from .settings_base import BASE_DIR, INSTALLED_APPS, MIDDLEWARE
-
-DEBUG = True
-
-DATABASES = {
-    "default": {
-        "ENGINE": "django.contrib.gis.db.backends.spatialite",
-        "NAME": os.path.join(BASE_DIR, "db.sqlite3"),
-    }
-}
-
-USE_DEBUG_TOOLBAR = False
-
-if USE_DEBUG_TOOLBAR:
-    INSTALLED_APPS += [
-        "debug_toolbar",
-    ]
-
-    MIDDLEWARE = ("debug_toolbar.middleware.DebugToolbarMiddleware",) + MIDDLEWARE
-
-INTERNAL_IPS = ["127.0.0.1"]
-
-SPATIALITE_LIBRARY_PATH = "mod_spatialite"
-
-STATIC_ROOT = "/home/evarin/Bureau/experiENS/static/"
-
-EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"
-
-STATIC_URL = "/experiens/static/"
-
-ELASTICSEARCH_DSL = {
-    "default": {"hosts": "localhost:9200"},
-}
-
-
-CLIPPER_LDAP_SERVER = "ldaps://localhost:636"
-
-# Changer à True pour développer avec ES
-USE_ELASTICSEARCH = False
-
-if not USE_ELASTICSEARCH:
-    INSTALLED_APPS.remove("django_elasticsearch_dsl")
diff --git a/app/settings_prod.py b/app/settings_prod.py
deleted file mode 100644
index 721d2bf..0000000
--- a/app/settings_prod.py
+++ /dev/null
@@ -1,49 +0,0 @@
-import os
-
-from .settings_base import *  # noqa
-
-PROJECT_DIR = os.path.dirname(os.path.abspath(__file__))
-BASE_DIR = os.path.dirname(PROJECT_DIR)
-
-DEBUG = False
-
-ALLOWED_HOSTS = ["www.eleves.ens.fr"]
-
-ADMINS = (("Robin Champenois", "champeno@clipper.ens.fr"),)
-
-ADMIN_LOGINS = [
-    "champeno",
-]
-
-SERVER_EMAIL = "experiens@www.eleves.ens.fr"
-
-ROOT_URL = "/experiens/"
-
-WSGI_APPLICATION = "experiENS.wsgi.application"
-
-DATABASES = {
-    "default": {
-        "ENGINE": "django.contrib.gis.db.backends.postgis",
-        "NAME": "experiens",
-        "USER": "experiens",
-        "PASSWORD": "",
-        "HOST": "",
-        "PORT": "5432",
-    }
-}
-
-STATIC_URL = ROOT_URL + "static/"
-MEDIA_URL = ROOT_URL + "media/"
-
-STATIC_ROOT = os.path.join(BASE_DIR, "static/")
-
-EMAIL_HOST = "nef.ens.fr"
-
-
-ELASTICSEARCH_DSL = {
-    "default": {"hosts": "127.0.0.1:9200"},
-}
-
-
-CLIPPER_LDAP_SERVER = "ldaps://ldap.spi.ens.fr:636"
-DEFAULT_FROM_EMAIL = "experiens-no-reply@www.eleves.ens.fr"