diff --git a/conf/.env.production.sample b/conf/.env.production.sample
index 8f248fa..c42c821 100644
--- a/conf/.env.production.sample
+++ b/conf/.env.production.sample
@@ -148,8 +148,8 @@ LDAP_HOST=localhost
 LDAP_PORT=389
 # LDAP_METHOD=simple_tls
 LDAP_BASE=ou=users,dc=yunohost,dc=org
-# LDAP_BIND_DN=
-# LDAP_PASSWORD=
+LDAP_BIND_DN=uid=__APP__,ou=users,dc=yunohost,dc=org
+LDAP_PASSWORD=__LDAP_PASSWORD__
 LDAP_UID=uid
 # LDAP_SEARCH_FILTER="%{uid}=%{email}"
 
diff --git a/scripts/install b/scripts/install
index 1fd4cdb..fc6afcc 100644
--- a/scripts/install
+++ b/scripts/install
@@ -66,11 +66,6 @@ ynh_app_setting_set $app language    $language
 #=================================================
 ynh_print_info "Configuring firewall..."
 
-### Use these lines if you have to open a port for the application
-### `ynh_find_port` will find the first available port starting from the given port.
-### If you're not using these lines:
-###		- Remove the section "CLOSE A PORT" in the remove script
-
 # Find a free port
 port_web=$(ynh_find_port 3000)
 port_stream=$(ynh_find_port 4000)
@@ -125,10 +120,6 @@ ynh_psql_execute_as_root \
 #=================================================
 ynh_print_info "Setting up source files..."
 
-### `ynh_setup_source` is used to install an app from a zip or tar.gz file,
-### downloaded from an upstream source, like a git repository.
-### `ynh_setup_source` use the file conf/app.src
-
 ynh_app_setting_set $app final_path $final_path
 # Download, check integrity, uncompress and patch the source from app.src
 mkdir $final_path
@@ -139,8 +130,6 @@ ynh_setup_source "$final_path/live"
 #=================================================
 ynh_print_info "Configuring nginx web server..."
 
-### `ynh_add_nginx_config` will use the file conf/nginx.conf
-
 # Create a dedicated nginx config
 ynh_replace_string "__PORT_WEB__"    "$port_web"    "../conf/nginx.conf"
 ynh_replace_string "__PORT_STREAM__" "$port_stream" "../conf/nginx.conf"
@@ -179,15 +168,22 @@ language="$(echo $language | head -c 2)"
 ynh_replace_string "__LANGUAGE__"      "$language" "$final_path/live/.env.production"
 
 paperclip_secret=$(head -n128 /dev/urandom | tail -n +1 | tr -dc -d 'a-z0-9' | head -c128)
-secret_key_base=$(head -n128 /dev/urandom | tail -n +1 | tr -dc -d 'a-z0-9' | head -c128)
-otp_secret=$(head -n128 /dev/urandom | tail -n +1 | tr -dc -d 'a-z0-9' | head -c128)
 ynh_replace_string "PAPERCLIP_SECRET=" "PAPERCLIP_SECRET=$paperclip_secret" "${final_path}/live/.env.production"
 
+secret_key_base=$(head -n128 /dev/urandom | tail -n +1 | tr -dc -d 'a-z0-9' | head -c128)
 ynh_replace_string "__SECRET_KEY_BASE__" "$secret_key_base" "$final_path/live/.env.production"
+
+otp_secret=$(head -n128 /dev/urandom | tail -n +1 | tr -dc -d 'a-z0-9' | head -c128)
 ynh_replace_string "__OTP_SECRET__" "$otp_secret" "$final_path/live/.env.production"
 
 ynh_replace_string "__SMTP_FROM_ADDRESS__" "$admin_mail"        "${final_path}/live/.env.production"
 
+ynh_user_exists $app || ynh_die "LDAP User $app already exist"
+ldap_password=$(head -n128 /dev/urandom | tail -n +1 | tr -dc -d 'a-z0-9' | head -c128)
+yunohost user create username f $app -l $app -m $app@$domain -p $ldap_password -q 0
+ynh_replace_string "__APP__" "$app"        "${final_path}/live/.env.production"
+ynh_replace_string "__LDAP_PASSWORD__" "$ldap_password"        "${final_path}/live/.env.production"
+
 #=================================================
 # INSTALLING MASTODON
 #=================================================
@@ -223,17 +219,6 @@ sudo cp -f ../conf/cron /etc/cron.d/$app
 #=================================================
 ynh_print_info "Configuring a systemd service..."
 
-### `ynh_systemd_config` is used to configure a systemd script for an app.
-### It can be used for apps that use sysvinit (with adaptation) or systemd.
-### Have a look at the app to be sure this app needs a systemd script.
-### `ynh_systemd_config` will use the file conf/systemd.service
-### If you're not using these lines:
-###		- You can remove those files in conf/.
-###		- Remove the section "BACKUP SYSTEMD" in the backup script
-###		- Remove also the section "STOP AND REMOVE SERVICE" in the remove script
-###		- As well as the section "RESTORE SYSTEMD" in the restore script
-###		- And the section "SETUP SYSTEMD" in the upgrade script
-
 # Create a dedicated systemd config
 ynh_replace_string "__PORT_WEB__"    "$port_web"    "../conf/mastodon-web.service"
 ynh_replace_string "__PORT_STREAM__" "$port_stream" "../conf/mastodon-streaming.service"
diff --git a/scripts/remove b/scripts/remove
index 3436bce..73a9bf7 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -99,6 +99,13 @@ ynh_remove_nginx_config
 
 #=================================================
 # SPECIFIC REMOVE
+#=================================================
+# REMOVE LDAP USER
+#=================================================
+
+# Remove $app LDAP User
+yunohost user delete $app --purge
+
 #=================================================
 # REMOVE THE CRON FILE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 01f0a49..668b7cf 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -176,9 +176,6 @@ pushd "$final_path/live"
         sudo -u "$app" env PATH=$PATH RAILS_ENV=production /opt/rbenv/versions/2.6.0/bin/bundle exec rails db:migrate
 popd
 
-### Verify the checksum of a file, stored by `ynh_store_file_checksum` in the install script.
-### And create a backup of this file if the checksum is different. So the file will be backed up if the admin had modified it.
-ynh_backup_if_checksum_is_different "${final_path}/live/.env.production"
 # Recalculate and store the checksum of the file for the next upgrade.
 ynh_store_file_checksum "${final_path}/live/.env.production"