diff --git a/conf/gunicorn.conf.py b/conf/gunicorn.conf.py
index bcab967..f49a397 100644
--- a/conf/gunicorn.conf.py
+++ b/conf/gunicorn.conf.py
@@ -17,4 +17,4 @@ accesslog = '__LOG_FILE__'
 errorlog = '__LOG_FILE__'
 
 # https://docs.gunicorn.org/en/latest/settings.html#pidfile
-pidfile = '__FINAL_HOME_PATH__/gunicorn.pid'
+pidfile = '__FINALPATH__/gunicorn.pid'
diff --git a/conf/manage.py b/conf/manage.py
index 9962cbd..ec26808 100755
--- a/conf/manage.py
+++ b/conf/manage.py
@@ -1,4 +1,4 @@
-#!__FINAL_HOME_PATH__/venv/bin/python
+#!__FINALPATH__/venv/bin/python
 
 import os
 import sys
diff --git a/conf/settings.py b/conf/settings.py
index 27be13e..06b05af 100644
--- a/conf/settings.py
+++ b/conf/settings.py
@@ -2,7 +2,7 @@
 ################################################################################
 
 # Please do not modify this file, it will be reset at the next update.
-# You can edit the file __FINAL_HOME_PATH__/local_settings.py and add/modify the settings you need.
+# You can edit the file __FINALPATH__/local_settings.py and add/modify the settings you need.
 # The parameters you add in local_settings.py will overwrite these,
 # but you can use the options and documentation in this file to find out what can be done.
 
@@ -19,11 +19,11 @@ from findmydevice_project.settings.base import *  # noqa
 
 # -----------------------------------------------------------------------------
 
-FINAL_HOME_PATH = __Path('__FINAL_HOME_PATH__')  # /opt/yunohost/$app
+FINAL_HOME_PATH = __Path('__FINALPATH__')  # /opt/yunohost/$app
 assert FINAL_HOME_PATH.is_dir(), f'Directory not exists: {FINAL_HOME_PATH}'
 
-FINAL_WWW_PATH = __Path('__FINAL_WWW_PATH__')  # /var/www/$app
-assert FINAL_WWW_PATH.is_dir(), f'Directory not exists: {FINAL_WWW_PATH}'
+PUBLIC_PATH = __Path('__PUBLIC_PATH__')  # /var/www/$app
+assert PUBLIC_PATH.is_dir(), f'Directory not exists: {PUBLIC_PATH}'
 
 LOG_FILE = __Path('__LOG_FILE__')  # /var/log/$app/django-fmd.log
 assert LOG_FILE.is_file(), f'File not exists: {LOG_FILE}'
@@ -128,8 +128,8 @@ else:
     STATIC_URL = '/static/'
     MEDIA_URL = '/media/'
 
-STATIC_ROOT = str(FINAL_WWW_PATH / 'static')
-MEDIA_ROOT = str(FINAL_WWW_PATH / 'media')
+STATIC_ROOT = str(PUBLIC_PATH / 'static')
+MEDIA_ROOT = str(PUBLIC_PATH / 'media')
 
 # -----------------------------------------------------------------------------
 
diff --git a/scripts/_common.sh b/scripts/_common.sh
index e348462..9533816 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -22,6 +22,9 @@ final_path=/opt/yunohost/$app
 log_path=/var/log/$app
 log_file="${log_path}/django-fmd.log"
 
+# XXX: Is this okay?
+adminmail="${admin}@${domain}"
+
 # Default: settings.DEBUG=False
 django_debug="False"
 
diff --git a/scripts/change_url b/scripts/change_url
index eaad24b..98f98d6 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -114,27 +114,7 @@ fi
 #=================================================
 ynh_script_progression --message="Modify django-fmd's config file..."
 
-# save old settings file
-settings="$final_path/settings.py"
-ynh_backup_if_checksum_is_different --file="$settings"
-
-cp "../conf/settings.py" "$settings"
-
-ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="$settings"
-ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$settings"
-ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="$settings"
-ynh_replace_string --match_string="__ADMINMAIL__" --replace_string="$admin_mail" --target_file="$settings"
-ynh_replace_string --match_string="__FINAL_HOME_PATH__" --replace_string="$final_path" --target_file="$settings"
-ynh_replace_string --match_string="__FINAL_WWW_PATH__" --replace_string="$public_path" --target_file="$settings"
-ynh_replace_string --match_string="__LOG_FILE__" --replace_string="$log_file" --target_file="$settings"
-ynh_replace_string --match_string="__REDIS_DB__" --replace_string="$redis_db" --target_file="$settings"
-
-# Difference to install/upgrade scripts: Use $new_domain and $new_path here:
-ynh_replace_string --match_string="__DOMAIN__" --replace_string="$new_domain" --target_file="$settings"
-ynh_replace_string --match_string="__PATH_URL__" --replace_string="$new_path" --target_file="$settings"
-
-# Recalculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$settings"
+ynh_add_config --template="settings.py" --destination="$final_path/settings.py"
 
 #=================================================
 # GENERIC FINALISATION
diff --git a/scripts/install b/scripts/install
index 029e772..a709c55 100755
--- a/scripts/install
+++ b/scripts/install
@@ -55,7 +55,9 @@ ynh_app_setting_set --app="$app" --key=port --value="$port"
 
 db_pwd=$(ynh_app_setting_get --app="$app" --key=psqlpwd)
 admin_mail=$(ynh_user_get_info --username="$admin" --key=mail)
+
 redis_db=$(ynh_redis_get_free_db)
+ynh_app_setting_set --app="$app" --key=redis_db --value="$redis_db"
 
 # Always deactivate settings.DEBUG:
 ynh_app_setting_set --app=$app --key=django_debug --value="False"
@@ -129,44 +131,15 @@ chown -R "$app:" "$final_path"
 # ================================================
 ynh_script_progression --message="Create project configuration files..."
 
-gunicorn_conf="$final_path/gunicorn.conf.py"
-cp "../conf/gunicorn.conf.py" "$gunicorn_conf"
-ynh_replace_string --match_string="__FINAL_HOME_PATH__" --replace_string="$final_path" --target_file="$gunicorn_conf"
-ynh_replace_string --match_string="__LOG_FILE__" --replace_string="$log_file" --target_file="$gunicorn_conf"
-ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$gunicorn_conf"
-ynh_store_file_checksum --file="$gunicorn_conf"
+ynh_add_config --template="gunicorn.conf.py" --destination="$final_path/gunicorn.conf.py"
 
-cp ../conf/manage.py "$final_path/manage.py"
-ynh_replace_string --match_string="__FINAL_HOME_PATH__" --replace_string="$final_path" --target_file="$final_path/manage.py"
-ynh_store_file_checksum --file="$final_path/manage.py"
+ynh_add_config --template="manage.py" --destination="$final_path/manage.py"
 chmod +x "$final_path/manage.py"
 
-settings="$final_path/settings.py"
-cp "../conf/settings.py" "$settings"
-
-ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="$settings"
-ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$settings"
-ynh_replace_string --match_string="__DB_USER__" --replace_string="$db_user" --target_file="$settings"
-ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$settings"
-ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="$settings"
-ynh_replace_string --match_string="__ADMINMAIL__" --replace_string="$admin_mail" --target_file="$settings"
-ynh_replace_string --match_string="__FINAL_HOME_PATH__" --replace_string="$final_path" --target_file="$settings"
-ynh_replace_string --match_string="__FINAL_WWW_PATH__" --replace_string="$public_path" --target_file="$settings"
-ynh_replace_string --match_string="__LOG_FILE__" --replace_string="$log_file" --target_file="$settings"
-ynh_replace_string --match_string="__REDIS_DB__" --replace_string="$redis_db" --target_file="$settings"
-
-ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$settings"
-ynh_replace_string --match_string="__PATH_URL__" --replace_string="$path_url" --target_file="$settings"
-
-# Calculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$settings"
-
-ynh_app_setting_set --app="$app" --key=redis_db --value="$redis_db"
-
-cp ../conf/setup_user.py "$final_path/setup_user.py"
-cp ../conf/urls.py "$final_path/urls.py"
-cp ../conf/wsgi.py "$final_path/wsgi.py"
-
+ynh_add_config --template="settings.py" --destination="$final_path/settings.py"
+ynh_add_config --template="setup_user.py" --destination="$final_path/setup_user.py"
+ynh_add_config --template="urls.py" --destination="$final_path/urls.py"
+ynh_add_config --template="wsgi.py" --destination="$final_path/wsgi.py"
 ynh_add_config --template="local_settings.py" --destination="$final_path/local_settings.py"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index e1334a3..c226391 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -123,53 +123,15 @@ chown -R "$app:" "$final_path"
 # ================================================
 ynh_script_progression --message="Create project configuration files..."
 
-gunicorn_conf="$final_path/gunicorn.conf.py"
-ynh_backup_if_checksum_is_different --file="$gunicorn_conf"
-cp "../conf/gunicorn.conf.py" "$gunicorn_conf"
-ynh_replace_string --match_string="__FINAL_HOME_PATH__" --replace_string="$final_path" --target_file="$gunicorn_conf"
-ynh_replace_string --match_string="__LOG_FILE__" --replace_string="$log_file" --target_file="$gunicorn_conf"
-ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$gunicorn_conf"
-ynh_store_file_checksum --file="$gunicorn_conf"
+ynh_add_config --template="gunicorn.conf.py" --destination="$final_path/gunicorn.conf.py"
 
-cp ../conf/manage.py "$final_path/manage.py"
-ynh_replace_string --match_string="__FINAL_HOME_PATH__" --replace_string="$final_path" --target_file="$final_path/manage.py"
-ynh_store_file_checksum --file="$final_path/manage.py"
+ynh_add_config --template="manage.py" --destination="$final_path/manage.py"
 chmod +x "$final_path/manage.py"
 
-# save old settings file
-settings="$final_path/settings.py"
-ynh_backup_if_checksum_is_different --file="$settings"
-
-cp "../conf/settings.py" "$settings"
-
-ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="$settings"
-ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$settings"
-ynh_replace_string --match_string="__DB_USER__" --replace_string="$db_user" --target_file="$settings"
-ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$settings"
-ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="$settings"
-ynh_replace_string --match_string="__ADMINMAIL__" --replace_string="$admin_mail" --target_file="$settings"
-ynh_replace_string --match_string="__FINAL_HOME_PATH__" --replace_string="$final_path" --target_file="$settings"
-ynh_replace_string --match_string="__FINAL_WWW_PATH__" --replace_string="$public_path" --target_file="$settings"
-ynh_replace_string --match_string="__LOG_FILE__" --replace_string="$log_file" --target_file="$settings"
-ynh_replace_string --match_string="__REDIS_DB__" --replace_string="$redis_db" --target_file="$settings"
-
-ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$settings"
-ynh_replace_string --match_string="__PATH_URL__" --replace_string="$path_url" --target_file="$settings"
-
-# Recalculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$settings"
-
-ynh_backup_if_checksum_is_different --file="$final_path/setup_user.py"
-cp ../conf/setup_user.py "$final_path/setup_user.py"
-
-ynh_backup_if_checksum_is_different --file="$final_path/urls.py"
-cp ../conf/urls.py "$final_path/urls.py"
-
-ynh_backup_if_checksum_is_different --file="$final_path/wsgi.py"
-cp ../conf/wsgi.py "$final_path/wsgi.py"
-
-# Regenerate a fresh local_settings:
-ynh_backup_if_checksum_is_different --file="$final_path/local_settings.py"
+ynh_add_config --template="settings.py" --destination="$final_path/settings.py"
+ynh_add_config --template="setup_user.py" --destination="$final_path/setup_user.py"
+ynh_add_config --template="urls.py" --destination="$final_path/urls.py"
+ynh_add_config --template="wsgi.py" --destination="$final_path/wsgi.py"
 ynh_add_config --template="local_settings.py" --destination="$final_path/local_settings.py"
 
 #=================================================
diff --git a/tests/test_django_project.py b/tests/test_django_project.py
index b8d4a2a..189ea54 100644
--- a/tests/test_django_project.py
+++ b/tests/test_django_project.py
@@ -37,7 +37,7 @@ class DjangoYnhTestCase(HtmlAssertionMixin, TestCase):
             assert path.endswith(end_text)
 
         assert_path(settings.FINAL_HOME_PATH, '/local_test/opt_yunohost')
-        assert_path(settings.FINAL_WWW_PATH, '/local_test/var_www')
+        assert_path(settings.PUBLIC_PATH, '/local_test/var_www')
         assert_path(settings.LOG_FILE, '/local_test/var_log_django-fmd.log')
 
         assert settings.ROOT_URLCONF == 'urls'