diff --git a/docs/backup-photos b/docs/backup-photos
index 9f00d93..e76dd87 100644
--- a/docs/backup-photos
+++ b/docs/backup-photos
@@ -1,4 +1,7 @@
 #!/bin/sh
 # Backup script to put in /etc/cron.montly/
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 rsync -avP /var/www/photos/photo21 /backup/
 sudo -u postgres pg_dump photo21 > /backup/pg_dump_photo21.sql
diff --git a/docs/nginx_photos b/docs/nginx_photos
index 19b0154..229f7b5 100644
--- a/docs/nginx_photos
+++ b/docs/nginx_photos
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 server {
     listen 80;
     listen [::]:80;
diff --git a/docs/uwsgi_photos.ini b/docs/uwsgi_photos.ini
index c15bf29..60cfa48 100644
--- a/docs/uwsgi_photos.ini
+++ b/docs/uwsgi_photos.ini
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 [uwsgi]
 # www-data can write media
 uid             = www-data
diff --git a/manage.py b/manage.py
index 22fa524..8319215 100755
--- a/manage.py
+++ b/manage.py
@@ -5,7 +5,7 @@ import sys
 
 
 def main():
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'photo21.settings')
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "photo21.settings")
     try:
         from django.core.management import execute_from_command_line
     except ImportError as exc:
@@ -17,5 +17,5 @@ def main():
     execute_from_command_line(sys.argv)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
diff --git a/photo21/__init__.py b/photo21/__init__.py
index e69de29..6c9e378 100644
--- a/photo21/__init__.py
+++ b/photo21/__init__.py
@@ -0,0 +1,3 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
diff --git a/photo21/forms.py b/photo21/forms.py
index a4cb52b..a54aabc 100644
--- a/photo21/forms.py
+++ b/photo21/forms.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from django import forms
 from django.utils.translation import gettext_lazy as _
 from allauth.account.forms import SignupForm
@@ -18,7 +22,9 @@ class CustomSignupForm(SignupForm):
         Check that the email address ends with a trusted domain.
         """
         email = super().clean_email()
-        if not email.endswith("@crans.org") and not email.endswith("@ens-paris-saclay.fr"):
+        if not email.endswith("@crans.org") and not email.endswith(
+            "@ens-paris-saclay.fr"
+        ):
             raise forms.ValidationError(
                 _("Must end with `@crans.org` or `@ens-paris-saclay.fr`.")
             )
diff --git a/photo21/hashers.py b/photo21/hashers.py
index 0c3305a..de29ba8 100644
--- a/photo21/hashers.py
+++ b/photo21/hashers.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import hashlib
 import base64
 from collections import OrderedDict
@@ -15,11 +19,12 @@ class SHA512PasswordHasher(BasePasswordHasher):
     It is used to migrate passwords from old Symfony2 photos server.
     https://github.com/symfony/symfony/blob/2.8/src/Symfony/Component/Security/Core/Encoder/MessageDigestPasswordEncoder.php
     """
+
     algorithm = "sha512"
 
     def encode(self, password, iteration, salt):
         assert password is not None
-        assert salt and '$' not in salt
+        assert salt and "$" not in salt
         salted = force_bytes(password + "{" + salt + "}")
         digest = hashlib.sha512(salted).digest()
         # "stretch" hash
@@ -30,19 +35,21 @@ class SHA512PasswordHasher(BasePasswordHasher):
         return encoded[:128]
 
     def verify(self, password, encoded):
-        algorithm, iteration, salt, hash = encoded.split('$', 3)
+        algorithm, iteration, salt, hash = encoded.split("$", 3)
         assert algorithm == self.algorithm
         encoded_2 = self.encode(password, iteration, salt)
         return constant_time_compare(encoded, encoded_2)
 
     def safe_summary(self, encoded):
-        algorithm, iteration, salt, hash = encoded.split('$', 3)
+        algorithm, iteration, salt, hash = encoded.split("$", 3)
         assert algorithm == self.algorithm
-        return OrderedDict([
-            (_('algorithm'), algorithm),
-            (_('salt'), mask_hash(salt, show=2)),
-            (_('hash'), mask_hash(hash)),
-        ])
+        return OrderedDict(
+            [
+                (_("algorithm"), algorithm),
+                (_("salt"), mask_hash(salt, show=2)),
+                (_("hash"), mask_hash(hash)),
+            ]
+        )
 
     def harden_runtime(self, password, encoded):
         pass
diff --git a/photo21/locale/de/LC_MESSAGES/django.po b/photo21/locale/de/LC_MESSAGES/django.po
index d45572b..6593a81 100644
--- a/photo21/locale/de/LC_MESSAGES/django.po
+++ b/photo21/locale/de/LC_MESSAGES/django.po
@@ -1,7 +1,6 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 #
 #, fuzzy
 msgid ""
diff --git a/photo21/locale/es/LC_MESSAGES/django.po b/photo21/locale/es/LC_MESSAGES/django.po
index f05fed8..083830d 100644
--- a/photo21/locale/es/LC_MESSAGES/django.po
+++ b/photo21/locale/es/LC_MESSAGES/django.po
@@ -1,7 +1,6 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 #
 #, fuzzy
 msgid ""
diff --git a/photo21/locale/fr/LC_MESSAGES/django.po b/photo21/locale/fr/LC_MESSAGES/django.po
index 7d7d518..587e078 100644
--- a/photo21/locale/fr/LC_MESSAGES/django.po
+++ b/photo21/locale/fr/LC_MESSAGES/django.po
@@ -1,7 +1,6 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 #
 #, fuzzy
 msgid ""
diff --git a/photo21/settings.py b/photo21/settings.py
index e0d25b6..8bd46dd 100644
--- a/photo21/settings.py
+++ b/photo21/settings.py
@@ -1,8 +1,10 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 """
 Django settings for photo21 project.
 
-Generated by 'django-admin startproject' using Django 2.2.24.
-
 For more information on this file, see
 https://docs.djangoproject.com/en/2.2/topics/settings/
 
@@ -23,7 +25,7 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 # See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'CHANGE ME'
+SECRET_KEY = "CHANGE ME"
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = False
@@ -38,7 +40,7 @@ ALLOWED_HOSTS = [
 # Admins receive server errors, this is useful to be notified of potential bugs
 # By default MANAGERS=ADMINS, so admins also receive upload notifications
 ADMINS = [
-    ('admin', 'photos-admin@lists.crans.org'),
+    ("admin", "photos-admin@lists.crans.org"),
 ]
 
 # Use secure cookies in production
@@ -53,47 +55,47 @@ SECURE_HSTS_PRELOAD = True
 # Application definition
 
 INSTALLED_APPS = [
-    'django.contrib.admin',
-    'django.contrib.admindocs',
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.sites',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'allauth',
-    'allauth.account',
-    'allauth.socialaccount',
-    'allauth_note_kfet',
-    'crispy_forms',
-    'photologue',
+    "django.contrib.admin",
+    "django.contrib.admindocs",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.sites",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "allauth",
+    "allauth.account",
+    "allauth.socialaccount",
+    "allauth_note_kfet",
+    "crispy_forms",
+    "photologue",
 ]
 
 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',
-    'django.middleware.locale.LocaleMiddleware',
-    'django.contrib.sites.middleware.CurrentSiteMiddleware',
+    "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",
+    "django.middleware.locale.LocaleMiddleware",
+    "django.contrib.sites.middleware.CurrentSiteMiddleware",
 ]
 
-ROOT_URLCONF = 'photo21.urls'
+ROOT_URLCONF = "photo21.urls"
 
 TEMPLATES = [
     {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [os.path.join(BASE_DIR, 'photo21/templates')],
-        'APP_DIRS': True,
-        'OPTIONS': {
-            'context_processors': [
-                'django.template.context_processors.debug',
-                'django.template.context_processors.request',
-                'django.contrib.auth.context_processors.auth',
-                'django.contrib.messages.context_processors.messages',
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [os.path.join(BASE_DIR, "photo21/templates")],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
             ],
         },
     },
@@ -101,22 +103,21 @@ TEMPLATES = [
 
 AUTHENTICATION_BACKENDS = [
     # Needed to login by username in Django admin, regardless of `allauth`
-    'django.contrib.auth.backends.ModelBackend',
-
+    "django.contrib.auth.backends.ModelBackend",
     # `allauth` specific authentication methods, such as login by e-mail
-    'allauth.account.auth_backends.AuthenticationBackend',
+    "allauth.account.auth_backends.AuthenticationBackend",
 ]
 
-WSGI_APPLICATION = 'photo21.wsgi.application'
+WSGI_APPLICATION = "photo21.wsgi.application"
 
 
 # Database
 # https://docs.djangoproject.com/en/2.2/ref/settings/#databases
 
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": os.path.join(BASE_DIR, "db.sqlite3"),
     }
 }
 
@@ -126,38 +127,38 @@ DATABASES = {
 
 AUTH_PASSWORD_VALIDATORS = [
     {
-        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
     },
 ]
 
 PASSWORD_HASHERS = [
-    'django.contrib.auth.hashers.PBKDF2PasswordHasher',
-    'photo21.hashers.SHA512PasswordHasher',
+    "django.contrib.auth.hashers.PBKDF2PasswordHasher",
+    "photo21.hashers.SHA512PasswordHasher",
 ]
 
 
 # Internationalization
 # https://docs.djangoproject.com/en/2.2/topics/i18n/
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = "UTC"
 
 USE_TZ = True
 
 # Limit available languages to this subset
 LANGUAGES = [
-    ('de', _('German')),
-    ('en', _('English')),
-    ('es', _('Spanish')),
-    ('fr', _('French')),
+    ("de", _("German")),
+    ("en", _("English")),
+    ("es", _("Spanish")),
+    ("fr", _("French")),
 ]
 
 # Allow more fields in URL to edit large galleries
@@ -166,9 +167,9 @@ DATA_UPLOAD_MAX_NUMBER_FIELDS = 10240
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/2.2/howto/static-files/
 
-STATIC_URL = '/static/'
+STATIC_URL = "/static/"
 STATICFILES_DIRS = [
-    os.path.join(BASE_DIR, 'photo21/static'),
+    os.path.join(BASE_DIR, "photo21/static"),
 ]
 
 # Collect statics to /static/
@@ -177,48 +178,48 @@ STATIC_ROOT = os.path.join(BASE_DIR, "static/")
 
 # Use /media/ for user uploaded media
 MEDIA_ROOT = os.path.join(BASE_DIR, "media")
-MEDIA_URL = '/media/'
+MEDIA_URL = "/media/"
 
-LOCALE_PATHS = [os.path.join(BASE_DIR, 'photo21/locale')]
+LOCALE_PATHS = [os.path.join(BASE_DIR, "photo21/locale")]
 
-FIXTURE_DIRS = [os.path.join(BASE_DIR, 'photo21/fixtures')]
+FIXTURE_DIRS = [os.path.join(BASE_DIR, "photo21/fixtures")]
 
 # Do not send email during debug
 # By default Django sends mails to localhost:25 without authentification
 if DEBUG:
-    EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
+    EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"
 
 # Mail will be sent from this address
 SERVER_EMAIL = "photos@crans.org"
 DEFAULT_FROM_EMAIL = f"Serveur photos <{SERVER_EMAIL}>"
-EMAIL_SUBJECT_PREFIX = '[Serveur photos] '
+EMAIL_SUBJECT_PREFIX = "[Serveur photos] "
 
 # After login redirect user to transfer page
-LOGIN_REDIRECT_URL = '/'
+LOGIN_REDIRECT_URL = "/"
 
 # Use only one Django Sites
 SITE_ID = 1
 
 # Django message
 MESSAGE_TAGS = {
-    messages.DEBUG: 'alert-secondary',
-    messages.INFO: 'alert-info',
-    messages.SUCCESS: 'alert-success',
-    messages.WARNING: 'alert-warning',
-    messages.ERROR: 'alert-danger',
+    messages.DEBUG: "alert-secondary",
+    messages.INFO: "alert-info",
+    messages.SUCCESS: "alert-success",
+    messages.WARNING: "alert-warning",
+    messages.ERROR: "alert-danger",
 }
 
 # Allauth configuration
 ACCOUNT_EMAIL_REQUIRED = True
 ACCOUNT_EMAIL_VERIFICATION = "mandatory"
 ACCOUNT_AUTHENTICATION_METHOD = "username_email"
-ACCOUNT_FORMS = {'signup': 'photo21.forms.CustomSignupForm'}
+ACCOUNT_FORMS = {"signup": "photo21.forms.CustomSignupForm"}
 SOCIALACCOUNT_PROVIDERS = {
-    'notekfet': {
+    "notekfet": {
         # Fetch user profile
-        'SCOPE': ['1_1'],
+        "SCOPE": ["1_1"],
     },
 }
 
 # Use Bootstrap forms
-CRISPY_TEMPLATE_PACK = 'bootstrap4'
+CRISPY_TEMPLATE_PACK = "bootstrap4"
diff --git a/photo21/templates/400.html b/photo21/templates/400.html
index 31e60cc..889e7a1 100644
--- a/photo21/templates/400.html
+++ b/photo21/templates/400.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photo21/templates/403.html b/photo21/templates/403.html
index 9b47b39..d8f7b21 100644
--- a/photo21/templates/403.html
+++ b/photo21/templates/403.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photo21/templates/404.html b/photo21/templates/404.html
index 77bbc10..38e9e8c 100644
--- a/photo21/templates/404.html
+++ b/photo21/templates/404.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photo21/templates/500.html b/photo21/templates/500.html
index 6929ad1..df835dc 100644
--- a/photo21/templates/500.html
+++ b/photo21/templates/500.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photo21/templates/account/base.html b/photo21/templates/account/base.html
index b166325..99e3781 100644
--- a/photo21/templates/account/base.html
+++ b/photo21/templates/account/base.html
@@ -1,6 +1,8 @@
 {% extends "base.html" %}
 {% comment %}
-SPDX-License-Identifier: GPL-2.0-or-later
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 
 {% block title %}{% block head_title %}{% endblock %}{% endblock title %}
diff --git a/photo21/templates/account/email.html b/photo21/templates/account/email.html
index 9329cab..14d705f 100644
--- a/photo21/templates/account/email.html
+++ b/photo21/templates/account/email.html
@@ -1,6 +1,8 @@
 {% extends "account/base.html" %}
 {% comment %}
-SPDX-License-Identifier: GPL-2.0-or-later
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n crispy_forms_tags %}
 {% block head_title %}{% trans "E-mail Addresses" %}{% endblock %}
diff --git a/photo21/templates/account/login.html b/photo21/templates/account/login.html
index 5e2af59..18d46b2 100644
--- a/photo21/templates/account/login.html
+++ b/photo21/templates/account/login.html
@@ -1,6 +1,8 @@
 {% extends "account/base.html" %}
 {% comment %}
-SPDX-License-Identifier: GPL-2.0-or-later
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n crispy_forms_tags account socialaccount %}
 {% block head_title %}{% trans "Sign In" %}{% endblock %}
diff --git a/photo21/templates/account/logout.html b/photo21/templates/account/logout.html
index 7db6ac3..4165689 100644
--- a/photo21/templates/account/logout.html
+++ b/photo21/templates/account/logout.html
@@ -1,6 +1,8 @@
 {% extends "account/base.html" %}
 {% comment %}
-SPDX-License-Identifier: GPL-2.0-or-later
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
 {% block head_title %}{% trans "Sign Out" %}{% endblock %}
diff --git a/photo21/templates/account/signup.html b/photo21/templates/account/signup.html
index 380b639..81c95ae 100644
--- a/photo21/templates/account/signup.html
+++ b/photo21/templates/account/signup.html
@@ -1,6 +1,8 @@
 {% extends "account/base.html" %}
 {% comment %}
-SPDX-License-Identifier: GPL-2.0-or-later
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n crispy_forms_tags %}
 {% block head_title %}{% trans "Signup" %}{% endblock %}
diff --git a/photo21/templates/base.html b/photo21/templates/base.html
index b5062b6..85985e9 100644
--- a/photo21/templates/base.html
+++ b/photo21/templates/base.html
@@ -1,4 +1,6 @@
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load static i18n %}
diff --git a/photo21/templates/index.html b/photo21/templates/index.html
index b7087c8..2fb0ac6 100644
--- a/photo21/templates/index.html
+++ b/photo21/templates/index.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photo21/templates/socialaccount/connections.html b/photo21/templates/socialaccount/connections.html
index ae81872..2da36e5 100644
--- a/photo21/templates/socialaccount/connections.html
+++ b/photo21/templates/socialaccount/connections.html
@@ -1,6 +1,8 @@
 {% extends "socialaccount/base.html" %}
 {% comment %}
-SPDX-License-Identifier: GPL-2.0-or-later
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
 {% block head_title %}{% trans "Account Connections" %}{% endblock %}
diff --git a/photo21/urls.py b/photo21/urls.py
index 66d4912..6ed415e 100644
--- a/photo21/urls.py
+++ b/photo21/urls.py
@@ -1,18 +1,13 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 """photo21 URL Configuration
 
 The `urlpatterns` list routes URLs to views. For more information please see:
     https://docs.djangoproject.com/en/2.2/topics/http/urls/
-Examples:
-Function views
-    1. Add an import:  from my_app import views
-    2. Add a URL to urlpatterns:  path('', views.home, name='home')
-Class-based views
-    1. Add an import:  from other_app.views import Home
-    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
-Including another URLconf
-    1. Import the include() function: from django.urls import include, path
-    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
+
 from django.contrib import admin
 from django.urls import include, path, re_path
 from django.conf import settings
@@ -21,16 +16,18 @@ from django.conf.urls.static import static
 from .views import IndexView, MediaAccess
 
 urlpatterns = [
-    path('', IndexView.as_view(), name='index'),
-    path('', include('photologue.urls', namespace='photologue')),
-    path('accounts/', include('allauth.urls')),
-    path('i18n/', include('django.conf.urls.i18n')),
-    path('admin/doc/', include('django.contrib.admindocs.urls')),
-    path('admin/', admin.site.urls),
+    path("", IndexView.as_view(), name="index"),
+    path("", include("photologue.urls", namespace="photologue")),
+    path("accounts/", include("allauth.urls")),
+    path("i18n/", include("django.conf.urls.i18n")),
+    path("admin/doc/", include("django.contrib.admindocs.urls")),
+    path("admin/", admin.site.urls),
 ]
 
 # In production media are served through NGINX with X-Accel-Redirect
 if settings.DEBUG:
     urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
 else:
-    urlpatterns.append(re_path('^media/(?P<path>.*)', MediaAccess.as_view(), name='media'))
+    urlpatterns.append(
+        re_path("^media/(?P<path>.*)", MediaAccess.as_view(), name="media")
+    )
diff --git a/photo21/views.py b/photo21/views.py
index 90d71d5..5d4eb1a 100644
--- a/photo21/views.py
+++ b/photo21/views.py
@@ -1,4 +1,5 @@
-# Copyright (C) 2021 by BDE ENS Paris-Saclay
+# This file is part of photo21
+# Copyright (C) 2021-2022  Amicale des élèves de l'ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.contrib.auth.mixins import LoginRequiredMixin
@@ -11,8 +12,8 @@ class MediaAccess(LoginRequiredMixin, View):
     def get(self, request, path):
         response = HttpResponse()
         # Content-type will be detected by nginx
-        del response['Content-Type']
-        response['X-Accel-Redirect'] = '/protected/media/' + path
+        del response["Content-Type"]
+        response["X-Accel-Redirect"] = "/protected/media/" + path
         return response
 
 
diff --git a/photo21/wsgi.py b/photo21/wsgi.py
index a914e94..718d0ec 100644
--- a/photo21/wsgi.py
+++ b/photo21/wsgi.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 """
 WSGI config for photo21 project.
 
@@ -11,6 +15,6 @@ import os
 
 from django.core.wsgi import get_wsgi_application
 
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'photo21.settings')
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "photo21.settings")
 
 application = get_wsgi_application()
diff --git a/photologue/__init__.py b/photologue/__init__.py
index e69de29..6c9e378 100644
--- a/photologue/__init__.py
+++ b/photologue/__init__.py
@@ -0,0 +1,3 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
diff --git a/photologue/admin.py b/photologue/admin.py
index af7e428..272b74c 100644
--- a/photologue/admin.py
+++ b/photologue/admin.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from django.contrib import admin
 from django.utils.translation import gettext_lazy as _
 
diff --git a/photologue/apps.py b/photologue/apps.py
index dad807a..a446591 100644
--- a/photologue/apps.py
+++ b/photologue/apps.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from django.apps import AppConfig
 
 
diff --git a/photologue/forms.py b/photologue/forms.py
index ed4eab5..d21e8b1 100644
--- a/photologue/forms.py
+++ b/photologue/forms.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import datetime
 
 from crispy_forms.helper import FormHelper
diff --git a/photologue/locale/de/LC_MESSAGES/django.po b/photologue/locale/de/LC_MESSAGES/django.po
index 50c106d..1ff0779 100644
--- a/photologue/locale/de/LC_MESSAGES/django.po
+++ b/photologue/locale/de/LC_MESSAGES/django.po
@@ -1,6 +1,6 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 #
 # Translators:
 # Translators:
diff --git a/photologue/locale/es/LC_MESSAGES/django.po b/photologue/locale/es/LC_MESSAGES/django.po
index e8f687f..d082913 100644
--- a/photologue/locale/es/LC_MESSAGES/django.po
+++ b/photologue/locale/es/LC_MESSAGES/django.po
@@ -1,6 +1,6 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 #
 # Translators:
 # Translators:
diff --git a/photologue/locale/fr/LC_MESSAGES/django.po b/photologue/locale/fr/LC_MESSAGES/django.po
index a996627..f419400 100644
--- a/photologue/locale/fr/LC_MESSAGES/django.po
+++ b/photologue/locale/fr/LC_MESSAGES/django.po
@@ -1,6 +1,6 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 #
 # Translators:
 # Translators:
diff --git a/photologue/management/commands/duplicate.py b/photologue/management/commands/duplicate.py
index 80786e4..9f8637e 100644
--- a/photologue/management/commands/duplicate.py
+++ b/photologue/management/commands/duplicate.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import hashlib
 
 from django.core.management.base import BaseCommand, CommandError
diff --git a/photologue/management/commands/rename_media.py b/photologue/management/commands/rename_media.py
index 95f5926..f26d350 100644
--- a/photologue/management/commands/rename_media.py
+++ b/photologue/management/commands/rename_media.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import os
 from pathlib import Path
 
diff --git a/photologue/migrations/0001_initial.py b/photologue/migrations/0001_initial.py
index 2f0927c..f483780 100644
--- a/photologue/migrations/0001_initial.py
+++ b/photologue/migrations/0001_initial.py
@@ -1,4 +1,6 @@
-# Generated by Django 3.2.11 on 2022-01-30 10:14
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 import django.core.validators
 import django.db.models.deletion
diff --git a/photologue/migrations/0002_auto_20220130_1020.py b/photologue/migrations/0002_auto_20220130_1020.py
index 9355753..ae9b359 100644
--- a/photologue/migrations/0002_auto_20220130_1020.py
+++ b/photologue/migrations/0002_auto_20220130_1020.py
@@ -1,4 +1,6 @@
-# Generated by Django 3.2.11 on 2022-01-30 10:20
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.db import migrations
 
diff --git a/photologue/migrations/0003_remove_gallery_is_public.py b/photologue/migrations/0003_remove_gallery_is_public.py
index 2554495..d201913 100644
--- a/photologue/migrations/0003_remove_gallery_is_public.py
+++ b/photologue/migrations/0003_remove_gallery_is_public.py
@@ -1,4 +1,6 @@
-# Generated by Django 3.2.11 on 2022-01-30 12:14
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.db import migrations
 
diff --git a/photologue/migrations/__init__.py b/photologue/migrations/__init__.py
index e69de29..6c9e378 100644
--- a/photologue/migrations/__init__.py
+++ b/photologue/migrations/__init__.py
@@ -0,0 +1,3 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
diff --git a/photologue/static/lightgallery/plugins/admin/lg-admin.js b/photologue/static/lightgallery/plugins/admin/lg-admin.js
index 0a5bff5..f0ecf26 100644
--- a/photologue/static/lightgallery/plugins/admin/lg-admin.js
+++ b/photologue/static/lightgallery/plugins/admin/lg-admin.js
@@ -1,6 +1,8 @@
 /*
  * Custom LightGallery plugin to add some buttons for administration
  *
+ * This file is part of photo21
+ * Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
diff --git a/photologue/templates/photologue/gallery_archive.html b/photologue/templates/photologue/gallery_archive.html
index 188101b..9e58de7 100644
--- a/photologue/templates/photologue/gallery_archive.html
+++ b/photologue/templates/photologue/gallery_archive.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photologue/templates/photologue/gallery_archive_year.html b/photologue/templates/photologue/gallery_archive_year.html
index 580731a..794fd0d 100644
--- a/photologue/templates/photologue/gallery_archive_year.html
+++ b/photologue/templates/photologue/gallery_archive_year.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photologue/templates/photologue/gallery_detail.html b/photologue/templates/photologue/gallery_detail.html
index c349f5e..5fa1999 100644
--- a/photologue/templates/photologue/gallery_detail.html
+++ b/photologue/templates/photologue/gallery_detail.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load static i18n %}
diff --git a/photologue/templates/photologue/includes/gallery_sample.html b/photologue/templates/photologue/includes/gallery_sample.html
index 68f249d..883bb2a 100644
--- a/photologue/templates/photologue/includes/gallery_sample.html
+++ b/photologue/templates/photologue/includes/gallery_sample.html
@@ -1,3 +1,8 @@
+{% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
+{% endcomment %}
 {% load i18n %}
 
 <div class="card text-white bg-dark">
diff --git a/photologue/templates/photologue/photo_confirm_delete.html b/photologue/templates/photologue/photo_confirm_delete.html
index 29c88d9..dfab897 100644
--- a/photologue/templates/photologue/photo_confirm_delete.html
+++ b/photologue/templates/photologue/photo_confirm_delete.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photologue/templates/photologue/photo_confirm_report.html b/photologue/templates/photologue/photo_confirm_report.html
index e682b9b..a151dda 100644
--- a/photologue/templates/photologue/photo_confirm_report.html
+++ b/photologue/templates/photologue/photo_confirm_report.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photologue/templates/photologue/photo_detail.html b/photologue/templates/photologue/photo_detail.html
index ef1082b..a936847 100644
--- a/photologue/templates/photologue/photo_detail.html
+++ b/photologue/templates/photologue/photo_detail.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n %}
diff --git a/photologue/templates/photologue/tag_detail.html b/photologue/templates/photologue/tag_detail.html
index 1484f2e..15c7b6c 100644
--- a/photologue/templates/photologue/tag_detail.html
+++ b/photologue/templates/photologue/tag_detail.html
@@ -1,4 +1,9 @@
 {% extends "base.html" %}
+{% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
+{% endcomment %}
 {% load i18n %}
 
 {% block title %}{{ object.name }}{% endblock %}
diff --git a/photologue/templates/photologue/upload.html b/photologue/templates/photologue/upload.html
index d2e0047..6b49a68 100644
--- a/photologue/templates/photologue/upload.html
+++ b/photologue/templates/photologue/upload.html
@@ -1,5 +1,7 @@
 {% extends "base.html" %}
 {% comment %}
+This file is part of photo21
+Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
 SPDX-License-Identifier: GPL-3.0-or-later
 {% endcomment %}
 {% load i18n crispy_forms_tags %}
diff --git a/photologue/urls.py b/photologue/urls.py
index eaddfa0..68f7d76 100644
--- a/photologue/urls.py
+++ b/photologue/urls.py
@@ -1,3 +1,7 @@
+# This file is part of photo21
+# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from django.urls import path, re_path
 
 from .views import (
diff --git a/photologue/views.py b/photologue/views.py
index 826f747..9bcc837 100644
--- a/photologue/views.py
+++ b/photologue/views.py
@@ -1,4 +1,5 @@
-# Copyright (C) 2021 by BDE ENS Paris-Saclay
+# This file is part of photo21
+# Copyright (C) 2021-2022  Amicale des élèves de l'ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import os