diff --git a/conf/nginx.conf b/conf/nginx.conf
index 7854cab..f9431e9 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,5 +1,7 @@
-location / {
-  proxy_pass http://localhost:__PORT__/;
+#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
+location __PATH__/ {
+
+  proxy_pass http://127.0.0.1:__PORT__/;
   proxy_http_version 1.1;
 
   proxy_set_header Host $host;
diff --git a/conf/ntfy.sh b/conf/ntfy.sh
index c373d33..260c45b 100755
--- a/conf/ntfy.sh
+++ b/conf/ntfy.sh
@@ -2,4 +2,9 @@
 
 HOME=__INSTALL_DIR__
 
+if [ ! -f "$HOME/data/user.db" ]; then
+    echo "Waiting for server to start"
+    sleep 2
+fi
+
 NTFY_CONFIG_FILE="$HOME/server.yml" $HOME/ntfy $@
diff --git a/scripts/_common.sh b/scripts/_common.sh
index d5f34cb..944a65e 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -8,16 +8,6 @@
 # PERSONAL HELPERS
 #=================================================
 
-ntfy_setup_source() {
-    ynh_setup_source -d "$install_dir"
-    mkdir -p "$install_dir/data"
-    chown -R $app:$app "$install_dir"
-    chmod -R 750 "$install_dir/data"
-
-    ynh_secure_remove "$install_dir/client"
-    ynh_secure_remove "$install_dir/server"
-}
-
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/backup b/scripts/backup
index 8051775..f887e84 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,10 +1,39 @@
 #!/bin/bash
 
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-ynh_backup -s "$install_dir"
-ynh_backup -s "/etc/nginx/conf.d/$domain.d/$app.conf"
-ynh_backup -s "/etc/systemd/system/$app.service"
+#=================================================
+# DECLARE DATA AND CONF FILES TO BACKUP
+#=================================================
+ynh_print_info --message="Declaring files to be backed up..."
+
+#=================================================
+# BACKUP THE APP MAIN DIR
+#=================================================
+
+ynh_backup --src_path="$install_dir"
+
+#=================================================
+# BACKUP THE NGINX CONFIGURATION
+#=================================================
+
+ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# BACKUP SYSTEMD
+#=================================================
+
+ynh_backup --src_path="/etc/systemd/system/$app.service"
+
+#=================================================
+# END OF SCRIPT
+#=================================================
 
 ynh_print_info --message="Backup script completed. (YunoHost will then actually copy those files to the archive)"
\ No newline at end of file
diff --git a/scripts/change_url b/scripts/change_url
index c1f169a..572b377 100755
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -1,15 +1,48 @@
 #!/bin/bash
 
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
 source _common.sh
 source /usr/share/yunohost/helpers
 
-ynh_script_progression --message="Updating systemd service..." --weight=1
-ynh_add_systemd_config
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# STOP SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Stopping a systemd service..." --weight=1
+
+ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
+
+#=================================================
+# MODIFY URL IN NGINX CONF
+#=================================================
+ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
 
-ynh_script_progression --message="Updating webserver configuration..." --weight=1
 ynh_change_url_nginx_config
 
-ynh_script_progression --message="Restarting systemd service..." --weight=1
-ynh_systemd_action --action=restart
+#=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+ynh_script_progression --message="Updating systemd service..." --weight=1
 
-ynh_script_progression --message="URL change completed" --last
+ynh_add_systemd_config
+
+#=================================================
+# GENERIC FINALISATION
+#=================================================
+# START SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Starting a systemd service..." --weight=1
+
+ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Change of URL completed for $app" --last
diff --git a/scripts/install b/scripts/install
index 5e8e1d7..1041919 100755
--- a/scripts/install
+++ b/scripts/install
@@ -1,32 +1,78 @@
 #!/bin/bash
 
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
 source _common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# APP "BUILD" (DEPLOYING SOURCES, VENV, COMPILING ETC)
+#=================================================
+# DOWNLOAD, CHECK AND UNPACK SOURCE
+#=================================================
 ynh_script_progression --message="Setting up source files..." --weight=6
-ntfy_setup_source
 
+ynh_setup_source --dest_dir="$install_dir"
+
+mkdir -p "$install_dir/data"
+
+chmod -R 750 "$install_dir/data"
+chown -R $app:$app "$install_dir"
+
+ynh_secure_remove "$install_dir/client"
+ynh_secure_remove "$install_dir/server"
+
+#=================================================
+# APP INITIAL CONFIGURATION
+#=================================================
+# ADD A CONFIGURATION
+#=================================================
 ynh_script_progression --message="Adding configuration file..." --weight=1
-ynh_add_config -t "server.yml" -d "$install_dir/server.yml"
 
-ynh_script_progression --message="Configuring systemd service..." --weight=1
+ynh_add_config --template="server.yml" --destination="$install_dir/server.yml"
+
+#=================================================
+# SYSTEM CONFIGURATION
+#=================================================
+ynh_script_progression --message="Adding system configurations related to $app..." --weight=1
+
+ynh_add_nginx_config
+
 ynh_add_systemd_config
 
-ynh_script_progression --message="Starting systemd service..." --weight=1
-ynh_systemd_action --action=start
+yunohost service add $app --description="Open Source Push Notification Server" --log="/var/log/$app/$app.log"
 
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-yunohost service add $app
+#=================================================
+# ADD A CONFIGURATION
+#=================================================
+ynh_script_progression --message="Adding a configuration file..." --weight=1
 
-ynh_script_progression --message="Adding a command wrapper..." --weight=1
 ynh_add_config -t "ntfy.sh" -d "$install_dir/ntfy.sh"
 chown $app:$app "$install_dir/ntfy.sh"
 chmod u+x "$install_dir/ntfy.sh"
 
-ynh_script_progression --message="Configuring web server..." --weight=2
-ynh_add_nginx_config
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# START SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Starting a systemd service..." --weight=1
 
+ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+
+#=================================================
+# ADD ADMIN
+#=================================================
 ynh_script_progression --message="Adding admin user..." --weight=1
+
 ynh_exec_as $app NTFY_PASSWORD="$password" $install_dir/ntfy.sh user add --role=admin $admin
 
+#=================================================
+# END OF SCRIPT
+#=================================================
+
 ynh_script_progression --message="Installation completed" --last
diff --git a/scripts/remove b/scripts/remove
index e122375..6dc0d3b 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -3,13 +3,26 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-ynh_script_progression --message="Removing service in YunoHost..." --weight=1
-yunohost service remove $app
+#=================================================
+# REMOVE SYSTEM CONFIGURATIONS
+#=================================================
+# REMOVE SYSTEMD SERVICE 
+#=================================================
+# Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
+if ynh_exec_warn_less yunohost service status $app >/dev/null
+then
+	ynh_script_progression --message="Removing $app service integration..." --weight=1
+	yunohost service remove $app
+fi
+
+ynh_script_progression --message="Removing system configurations related to $app..." --weight=1
 
-ynh_script_progression --message="Removing the systemd service..." --weight=1
 ynh_remove_systemd_config
 
-ynh_script_progression --message="Removing the web server configuration..." --weight=2
 ynh_remove_nginx_config
 
+#=================================================
+# END OF SCRIPT
+#=================================================
+
 ynh_script_progression --message="Removal completed" --last
diff --git a/scripts/restore b/scripts/restore
index bafa93c..1566077 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,25 +1,51 @@
 #!/bin/bash
 
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-ynh_script_progression --message="Restoring the main directory..." --weight=1
-ynh_restore_file -o "$install_dir"
+#=================================================
+# RESTORE THE APP MAIN DIR
+#=================================================
+ynh_script_progression --message="Restoring the app main directory..." --weight=1
 
-ynh_script_progression --message="Restoring the web server configuration..." --weight=1
-ynh_restore_file -o "/etc/nginx/conf.d/$domain.d/$app.conf"
+ynh_restore_file --origin_path="$install_dir"
+
+chown -R $app:www-data "$install_dir"
+
+#=================================================
+# RESTORE SYSTEM CONFIGURATIONS
+#=================================================
+# RESTORE THE PHP-FPM CONFIGURATION
+#=================================================
+ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1
+
+ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
-ynh_script_progression --message="Restoring the systemd configuration..." --weight=1
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
-ynh_systemd_action --action=enable
+systemctl enable $app.service --quiet
 
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-yunohost service add $app
+yunohost service add $app --description="Open Source Push Notification Server" --log="/var/log/$app/$app.log"
 
-ynh_script_progression --message="Starting a systemd service..." --weight=1
-ynh_systemd_action --action=start
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# RELOAD NGINX AND PHP-FPM OR THE APP SERVICE
+#=================================================
+ynh_script_progression --message="Reloading NGINX web server and $app's service..." --weight=1
+
+ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
 
-ynh_script_progression --message="Reloading the web server..." --weight=1
 ynh_systemd_action --service_name=nginx --action=reload
 
-ynh_script_progression --message="Restoration completed" --last
\ No newline at end of file
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Restoration completed" --last
diff --git a/scripts/upgrade b/scripts/upgrade
index c799e98..aa1b779 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,35 +1,83 @@
 #!/bin/bash
 
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
 source _common.sh
 source /usr/share/yunohost/helpers
 
-ynh_script_progression --message="Checking version..." --weight=1
 upgrade_type=$(ynh_check_app_version_changed)
 
+#=================================================
+# STOP SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Stopping a systemd service..." --weight=1
+
+ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
+
+#=================================================
+# "REBUILD" THE APP (DEPLOY NEW SOURCES, RERUN NPM BUILD...)
+#=================================================
+# DOWNLOAD, CHECK AND UNPACK SOURCE
+#=================================================
+
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=6
-	ntfy_setup_source
+	
+	ynh_setup_source --dest_dir="$install_dir"
+
+	mkdir -p "$install_dir/data"
+
+	chmod -R 750 "$install_dir/data"
+	chown -R $app:$app "$install_dir"
+
+	ynh_secure_remove "$install_dir/client"
+	ynh_secure_remove "$install_dir/server"
 fi
 
-ynh_script_progression --message="Updating configuration file..." --weight=1
-ynh_add_config -t "server.yml" -d "$install_dir/server.yml"
+#=================================================
+# REAPPLY SYSTEM CONFIGURATIONS
+#=================================================
+ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1
+
+ynh_add_nginx_config
 
-ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
 ynh_add_systemd_config
 
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-yunohost service add $app
+yunohost service add $app --description="Open Source Push Notification Server" --log="/var/log/$app/$app.log"
 
+#=================================================
+# RECONFIGURE THE APP (UPDATE CONF, APPLY MIGRATIONS...)
+#=================================================
+# UPDATE A CONFIG FILE
+#=================================================
+ynh_script_progression --message="Updating a configuration file..." --weight=1
+
+ynh_add_config --template="server.yml" --destination="$install_dir/server.yml"
+
+#=================================================
+# ADD A CONFIGURATION
+#=================================================
 ynh_script_progression --message="Updating simple command wrapper..." --weight=1
-ynh_add_config -t "ntfy.sh" -d "$install_dir/ntfy.sh"
+
+ynh_add_config --template="ntfy.sh" --destination="$install_dir/ntfy.sh"
+
 chown $app:$app "$install_dir/ntfy.sh"
 chmod u+x "$install_dir/ntfy.sh"
 
-ynh_script_progression --message="Upgrading web server configuration..." --weight=2
-ynh_add_nginx_config
+#=================================================
+# START SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_script_progression --message="Restarting systemd service..." --weight=1
-ynh_systemd_action --action=restart
+ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
 
-ynh_script_progression --message="Upgrade completed" --last
\ No newline at end of file
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Upgrade of $app completed" --last