diff --git a/README.md b/README.md
index 0dddc92..68b4c2b 100755
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Integration level](https://dash.yunohost.org/integration/plume.svg)](https://dash.yunohost.org/appci/app/plume)  
 [![Install Plume with YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=plume)
 
-> *This package allow you to install plume quickly and simply on a YunoHost server.  
+> *This package allow you to install Plume quickly and simply on a YunoHost server.  
 If you don't have YunoHost, please see [here](https://yunohost.org/#/install) to know how to install and enjoy it.*
 
 ## Overview
diff --git a/check_process b/check_process
index 4da5afc..bd00a97 100755
--- a/check_process
+++ b/check_process
@@ -1,8 +1,3 @@
-# See here for more information
-# https://github.com/YunoHost/package_check#syntax-check_process-file
-
-# Move this file from check_process.default to check_process when you have filled it.
-
 ;; Test complet
 	; Manifest
 		domain="domain.tld"	(DOMAIN)
@@ -19,6 +14,7 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
+		upgrade=1	from_commit=900b9857defd4a866907459372ed2f78a43c4229
 		backup_restore=1
 		multi_instance=1
 		incorrect_path=1
diff --git a/conf/app.src b/conf/app.src
deleted file mode 100755
index e4dd89f..0000000
--- a/conf/app.src
+++ /dev/null
@@ -1,6 +0,0 @@
-SOURCE_URL=url of app's source
-SOURCE_SUM=sha256 checksum
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
diff --git a/scripts/backup b/scripts/backup
index b5a9ea2..b9d3de9 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -15,7 +15,6 @@ source ../settings/scripts/ynh_systemd_action
 #=================================================
 
 ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
 	ynh_clean_check_starting
 }
 # Exit if an error occurs during the execution of the script
@@ -48,13 +47,6 @@ ynh_print_info "Backing up nginx web server configuration..."
 
 ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 
-#=================================================
-# BACKUP THE PHP-FPM CONFIGURATION
-#=================================================
-ynh_print_info "Backing up php-fpm configuration..."
-
-#ynh_backup "/etc/php/7.0/fpm/pool.d/$app.conf"
-
 #=================================================
 # BACKUP THE POSTGRESQL DATABASE
 #=================================================
@@ -78,12 +70,6 @@ ynh_print_info "Backing up systemd configuration..."
 
 ynh_backup "/etc/systemd/system/$app.service"
 
-#=================================================
-# BACKUP A CRON FILE
-#=================================================
-
-#ynh_backup "/etc/cron.d/$app"
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 10d1fd9..43a99d5 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -35,15 +35,6 @@ final_path=$(ynh_app_setting_get $app final_path)
 #db_name=$(ynh_app_setting_get "$app" db_name)
 #db_pwd=$(ynh_app_setting_get $app db_pwd)
 
-#=================================================
-# CHECK THE SYNTAX OF THE PATHS
-#=================================================
-
-test -n "$old_path" || old_path="/"
-test -n "$new_path" || new_path="/"
-new_path=$(ynh_normalize_url_path $new_path)
-old_path=$(ynh_normalize_url_path $old_path)
-
 #=================================================
 # CHECK WHICH PARTS SHOULD BE CHANGED
 #=================================================
@@ -115,8 +106,6 @@ ynh_systemd_action --action=start --service_name=$app --log_path=systemd --line_
 # STORE THE CONFIG FILE CHECKSUM
 #=================================================
 
-### 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 "$final_path/$app/.env"
 # Recalculate and store the checksum of the file for the next upgrade.
 ynh_store_file_checksum "$final_path/$app/.env"
diff --git a/scripts/install b/scripts/install
index 44c1dd3..1fbb5a3 100755
--- a/scripts/install
+++ b/scripts/install
@@ -15,7 +15,6 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
 	ynh_clean_check_starting
 }
 # Exit if an error occurs during the execution of the script
@@ -35,16 +34,6 @@ registration=$YNH_APP_ARG_REGISTRATION
 admin_email=$(ynh_user_get_info $admin 'mail')
 secret_key=$(openssl rand -base64 32)
 
-### If it's a multi-instance app, meaning it can be installed several times independently
-### The id of the app as stated in the manifest is available as $YNH_APP_ID
-### The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2", ...)
-### The app instance name is available as $YNH_APP_INSTANCE_NAME
-###    - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
-###    - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
-###    - ynhexample__{N} for the subsequent installations, with N=3,4, ...
-### The app instance name is probably what interests you most, since this is
-### guaranteed to be unique. This is a good unique identifier to define installation path,
-### db names, ...
 app=$YNH_APP_INSTANCE_NAME
 
 #=================================================
@@ -52,14 +41,9 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 ynh_print_info "Validating installation parameters..."
 
-### If the app uses nginx as web server (written in HTML/PHP in most cases), the final path should be "/var/www/$app".
-### If the app provides an internal web server (or uses another application server such as uwsgi), the final path should be "/opt/yunohost/$app"
 final_path=/var/www/$app
 test ! -e "$final_path" || ynh_die "This path already contains a folder"
 
-# Normalize the url path syntax
-path_url=$(ynh_normalize_url_path $path_url)
-
 # Register (book) web path
 ynh_webpath_register $app $domain $path_url
 
@@ -72,7 +56,7 @@ ynh_app_setting_set $app domain $domain
 ynh_app_setting_set $app path $path_url
 ynh_app_setting_set $app admin $admin
 ynh_app_setting_set $app is_public $is_public
-#ynh_app_setting_set $app language $language
+
 ynh_app_setting_set $app instance $instance_name
 ynh_app_setting_set $app registration $registration
 ynh_app_setting_set $app admin_email $admin_email
@@ -85,15 +69,9 @@ ynh_app_setting_set $app secret_key $secret_key
 #=================================================
 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=$(ynh_find_port 8095)
-# Open this port
-#ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port
+
 ynh_app_setting_set $app port $port
 
 #=================================================
@@ -101,14 +79,6 @@ ynh_app_setting_set $app port $port
 #=================================================
 ynh_print_info "Installing dependencies ..."
 
-### `ynh_install_app_dependencies` allows you to add any "apt" dependencies to the package.
-### Those deb packages will be installed as dependencies of this package.
-### If you're not using this helper:
-###		- Remove the section "REMOVE DEPENDENCIES" in the remove script
-###		- Remove the variable "pkg_dependencies" in _common.sh
-###		- As well as the section "REINSTALL DEPENDENCIES" in the restore script
-###		- And the section "UPGRADE DEPENDENCIES" in the upgrade script
-
 ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
@@ -116,13 +86,6 @@ ynh_install_app_dependencies $pkg_dependencies
 #=================================================
 ynh_print_info "Creating a PostgreSQL database..."
 
-### Use these lines if you need a database for the application.
-### `ynh_psql_test_if_first_run` will create a master password and set up global settings.
-### If you're not using these lines:
-###		- Remove the section "BACKUP THE POSTGRESQL DATABASE" in the backup script
-###		- Remove also the section "REMOVE THE POSTGRESQL DATABASE" in the remove script
-###		- As well as the section "RESTORE THE POSTGRESQL DATABASE" in the restore script
-
 ynh_psql_test_if_first_run
 db_name=$(ynh_sanitize_dbid $app)
 db_pwd=$(ynh_string_random 30)
@@ -136,13 +99,8 @@ ynh_psql_execute_as_root "CREATE DATABASE $db_name ENCODING 'UTF8' LC_COLLATE='C
 #=================================================
 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 $final_path
 # Download, check integrity, uncompress and patch the source from app.src
-#ynh_setup_source "$final_path"
 git clone https://github.com/Plume-org/Plume.git "$final_path/$app"
 
 # Create the media directory, where uploads will be stored
@@ -153,8 +111,6 @@ mkdir $final_path/media
 #=================================================
 ynh_print_info "Configuring nginx web server..."
 
-### `ynh_add_nginx_config` will use the file conf/nginx.conf
-
 # Create a dedicated nginx config
 ynh_add_nginx_config
 
@@ -166,25 +122,6 @@ ynh_print_info "Configuring system user ..."
 # Create a system user
 ynh_system_user_create $app "$final_path"
 
-#=================================================
-# PHP-FPM CONFIGURATION
-#=================================================
-ynh_print_info "Configuring php-fpm ..."
-
-### `ynh_add_fpm_config` is used to set up a PHP config.
-### You can remove it if your app doesn't use PHP.
-### `ynh_add_fpm_config` will use the files conf/php-fpm.conf and conf/php-fpm.ini
-### If you're not using these lines:
-###		- You can remove these files in conf/.
-###		- Remove the section "BACKUP THE PHP-FPM CONFIGURATION" in the backup script
-###		- Remove also the section "REMOVE PHP-FPM CONFIGURATION" in the remove script
-###		- As well as the section "RESTORE THE PHP-FPM CONFIGURATION" in the restore script
-###		With the reload at the end of the script.
-###		- And the section "PHP-FPM CONFIGURATION" in the upgrade script
-
-# Create a dedicated php-fpm config
-#ynh_add_fpm_config
-
 #=================================================
 # SPECIFIC SETUP
 #=================================================
@@ -246,68 +183,13 @@ popd
 #=================================================
 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_add_systemd_config
 
-#=================================================
-# SETUP APPLICATION WITH CURL
-#=================================================
-
-### Use these lines only if the app installation needs to be finalized through
-### web forms. We generally don't want to ask the final user,
-### so we're going to use curl to automatically fill the fields and submit the
-### forms.
-
-# Set right permissions for curl install
-#chown -R $app: $final_path
-
-# Set the app as temporarily public for curl call
-#ynh_print_info "Configuring ssowat ..."
-#ynh_app_setting_set $app skipped_uris "/"
-# Reload SSOwat config
-#yunohost app ssowatconf
-
-# Reload Nginx
-#systemctl reload nginx
-
-# Installation with curl
-#ynh_print_info "Finalizing install ..."
-#ynh_local_curl "/INSTALL_PATH" "key1=value1" "key2=value2" "key3=value3"
-
-# Remove the public access
-#if [ $is_public -eq 0 ]
-#then
-#	ynh_app_setting_delete $app skipped_uris
-#fi
-
-#=================================================
-# MODIFY A CONFIG FILE
-#=================================================
-
-### `ynh_replace_string` is used to replace a string in a file.
-### (It's compatible with sed regular expressions syntax)
-
-#ynh_replace_string "match_string" "replace_string" "$final_path/CONFIG_FILE"
-
 #=================================================
 # STORE THE CONFIG FILE CHECKSUM
 #=================================================
 
-### `ynh_store_file_checksum` is used to store the checksum of a file.
-### That way, during the upgrade script, by using `ynh_backup_if_checksum_is_different`,
-### you can make a backup of this file before modifying it again if the admin had modified it.
-
 # Calculate and store the config file checksum into the app settings
 ynh_store_file_checksum "$final_path/$app/.env"
 
@@ -317,26 +199,14 @@ ynh_store_file_checksum "$final_path/$app/.env"
 # SECURE FILES AND DIRECTORIES
 #=================================================
 
-### For security reason, any app should set the permissions to root: before anything else.
-### Then, if write authorization is needed, any access should be given only to directories
-### that really need such authorization.
-
 # Set permissions to app files
-# chown -R $app: $final_path
+chown -R $app: $final_path
 
 #=================================================
 # SETUP LOGROTATE
 #=================================================
 ynh_print_info "Configuring log rotation ..."
 
-### `ynh_use_logrotate` is used to configure a logrotate configuration for the logs of this app.
-### Use this helper only if there is effectively a log file for this app.
-### If you're not using this helper:
-###		- Remove the section "BACKUP LOGROTATE" in the backup script
-###		- Remove also the section "REMOVE LOGROTATE CONFIGURATION" in the remove script
-###		- As well as the section "RESTORE THE LOGROTATE CONFIGURATION" in the restore script
-###		- And the section "SETUP LOGROTATE" in the upgrade script
-
 # Use logrotate to manage application logfile(s)
 ynh_use_logrotate
 
@@ -344,16 +214,6 @@ ynh_use_logrotate
 # ADVERTISE SERVICE IN ADMIN PANEL
 #=================================================
 
-### `yunohost service add` is a CLI yunohost command to add a service in the admin panel.
-### You'll find the service in the 'services' section of YunoHost admin panel.
-### This CLI command would be useless if the app does not have any services (systemd or sysvinit)
-### If you're not using these lines:
-###		- You can remove these files in conf/.
-###		- Remove the section "REMOVE SERVICE FROM ADMIN PANEL" in the remove script
-###		- As well as the section ADVERTISE SERVICE IN ADMIN PANEL" in the restore script
-
-#yunohost service add $app --log "/var/log/$app/APP.log"
-# if using yunohost version 3.2 or more in the 'manifest.json', a description can be added
 yunohost service add $app --description "$app daemon for XXX" --log "/var/log/$app/$app.log"
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 14a1357..29d0225 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -85,14 +85,6 @@ ynh_print_info "Removing nginx web server configuration"
 # Remove the dedicated nginx config
 ynh_remove_nginx_config
 
-#=================================================
-# REMOVE PHP-FPM CONFIGURATION
-#=================================================
-ynh_print_info "Removing php-fpm configuration"
-
-# Remove the dedicated php-fpm config
-#ynh_remove_fpm_config
-
 #=================================================
 # REMOVE LOGROTATE CONFIGURATION
 #=================================================
@@ -118,9 +110,6 @@ fi
 # REMOVE THE CRON FILE
 #=================================================
 
-# Remove a cron file
-#ynh_secure_remove "/etc/cron.d/$app"
-
 # Remove a directory securely
 ynh_secure_remove "/etc/$app/"
 
diff --git a/scripts/restore b/scripts/restore
index a444990..adf2491 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -15,7 +15,6 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	#### Remove this function if there's nothing to clean before calling the remove script.
 	ynh_clean_check_starting
 }
 # Exit if an error occurs during the execution of the script
@@ -74,12 +73,6 @@ ynh_system_user_create "$app" "$final_path"
 # Restore permissions on app files
 chown -R "$app":"$app" $final_path
 
-#=================================================
-# RESTORE THE PHP-FPM CONFIGURATION
-#=================================================
-
-#ynh_restore_file "/etc/php/7.0/fpm/pool.d/$app.conf"
-
 #=================================================
 # SPECIFIC RESTORATION
 #=================================================
@@ -130,12 +123,6 @@ chown -R "$app":"$app" "/var/log/$app"
 
 yunohost service add $app --log "/var/log/$app/$app.log"
 
-#=================================================
-# RESTORE THE CRON FILE
-#=================================================
-
-#ynh_restore_file "/etc/cron.d/$app"
-
 #=================================================
 # RESTORE THE LOGROTATE CONFIGURATION
 #=================================================
@@ -145,11 +132,10 @@ ynh_restore_file "/etc/logrotate.d/$app"
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
-# RELOAD NGINX AND PHP-FPM
+# RELOAD NGINX
 #=================================================
-ynh_print_info "Reloading nginx web server and php-fpm..."
+ynh_print_info "Reloading nginx web server..."
 
-#systemctl reload php7.0-fpm
 systemctl reload nginx
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 27c06da..186d362 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -29,17 +29,6 @@ secret_key=$(ynh_app_setting_get "$app" secret_key)
 name=$(ynh_app_setting_get "$app" name)
 port=$(ynh_app_setting_get "$app" port)
 
-psql_db=$(ynh_app_setting_get "$app" psql_db)
-
-if [ -n "$psql_db" ]
-then
-    db_name=$(ynh_app_setting_get "$app" psql_db)
-    db_pwd=$(ynh_app_setting_get "$app" psqlpwd)
-    ynh_app_setting_set "$app" db_name "$db_name"
-    ynh_app_setting_set "$app" db_pwd "$db_pwd"
-	ynh_app_setting_delete "$app" psql_db
-	ynh_app_setting_delete "$app" psqlpwd
-fi
 
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
@@ -67,6 +56,19 @@ if [ -z $final_path ]; then
 	ynh_app_setting_set $app final_path $final_path
 fi
 
+#Fix previous database name
+psql_db=$(ynh_app_setting_get "$app" psql_db)
+
+if [ -n "$psql_db" ]
+then
+    db_name=$(ynh_app_setting_get "$app" psql_db)
+    db_pwd=$(ynh_app_setting_get "$app" psqlpwd)
+    ynh_app_setting_set "$app" db_name "$db_name"
+    ynh_app_setting_set "$app" db_pwd "$db_pwd"
+	ynh_app_setting_delete "$app" psql_db
+	ynh_app_setting_delete "$app" psqlpwd
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
@@ -103,11 +105,9 @@ path_url=$(ynh_normalize_url_path $path_url)
 ynh_print_info "Upgrading source files..."
 
 # Download, check integrity, uncompress and patch the source from app.src
-#ynh_setup_source "$final_path"
-pushd $final_path/$app
-    git reset --hard
-    git pull --quiet
-popd
+git clone --quiet https://github.com/Plume-org/Plume.git "$final_path/upgrade"
+cp -a "$final_path/upgrade/." "$final_path/$app/."
+rm -r "$final_path/upgrade"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -132,14 +132,6 @@ ynh_print_info "Making sure dedicated system user exists..."
 # Create a dedicated user (if not existing)
 ynh_system_user_create "$app" "$final_path"
 
-#=================================================
-# PHP-FPM CONFIGURATION
-#=================================================
-ynh_print_info "Upgrading php-fpm configuration..."
-
-# Create a dedicated php-fpm config
-#ynh_add_fpm_config
-
 #=================================================
 # SPECIFIC UPGRADE
 #=================================================
@@ -179,8 +171,6 @@ pushd $final_path/$app
     sudo -u "$app" env PATH=$PATH diesel migration run
 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 "$final_path/.env"
 # Recalculate and store the checksum of the file for the next upgrade.
 ynh_store_file_checksum "$final_path/$app/.env"