diff --git a/.gitignore b/.gitignore
index 783a4ae..8f144f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *~
 *.sw[op]
+.DS_Store
diff --git a/manifest.toml b/manifest.toml
index 539a281..e03b3c2 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -20,7 +20,8 @@ code = "https://github.com/photoview/photoview"
 fund = "https://github.com/sponsors/viktorstrate"
 
 [integration]
-yunohost = ">= 11.2.12"
+yunohost = ">= 11.2.18"
+helpers_version = "2.1"
 architectures = "all"
 multi_instance = true
 ldap = false
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 886c10b..9772a78 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,26 +1,21 @@
 #!/bin/bash
 
 #=================================================
-# COMMON VARIABLES
+# COMMON VARIABLES AND CUSTOM HELPERS
 #=================================================
 
 go_version=1.20
 node_version=16
 
-#=================================================
-# PERSONAL HELPERS
-#=================================================
-
 function set_go_vars {
-    ynh_use_go
 
     export GOPATH="$install_dir/build/go"
     export GOCACHE="$install_dir/build/.cache"
 
     go_shims_path=$goenv_install_dir/shims
-    go_path_full="$go_shims_path":"$(sudo -u $app bash -c 'echo $PATH')"
-    heif_lib_path="$install_dir/local/lib":"$(sudo -u $app bash -c 'echo $LIBRARY_PATH')"
-    heif_ld_lib_path="$install_dir/local/lib":"$(sudo -u $app bash -c 'echo $LD_LIBRARY_PATH')"
+    go_path_full="$go_shims_path":"$(ynh_exec_as_app bash -c 'echo $PATH')"
+    heif_lib_path="$install_dir/local/lib":"$(ynh_exec_as_app bash -c 'echo $LIBRARY_PATH')"
+    heif_ld_lib_path="$install_dir/local/lib":"$(ynh_exec_as_app bash -c 'echo $LD_LIBRARY_PATH')"
     heif_cgo_cflags="-I$install_dir/local/include"
 }
 
@@ -29,13 +24,13 @@ function build_libheif {
     export GOCACHE="$install_dir/build/.cache"
 
     pushd "$install_dir/libheif" || ynh_die
-        ynh_exec_as "$app" mkdir build
+        ynh_exec_as_app mkdir build
         pushd build
-            ynh_exec_and_print_stderr_only_if_error ynh_exec_as "$app" \
+            ynh_exec_and_print_stderr_only_if_error ynh_exec_as_app \
                 cmake --preset=release -DCMAKE_INSTALL_PREFIX="$install_dir/local" -DWITH_GDK_PIXBUF=OFF -G Ninja ..
-            ynh_exec_and_print_stderr_only_if_error ynh_exec_as "$app" \
+            ynh_exec_and_print_stderr_only_if_error ynh_exec_as_app \
                 ninja
-            ynh_exec_and_print_stderr_only_if_error ynh_exec_as "$app" \
+            ynh_exec_and_print_stderr_only_if_error ynh_exec_as_app \
                 ninja install
         popd
     popd || ynh_die
@@ -56,12 +51,12 @@ function build_api {
     pushd "$install_dir/sources/api" || ynh_die
         set +e
         for i in {1..5}; do
-            ynh_exec_as "$app" env "${gobuild_env[@]}" go mod download 2>&1 && break
+            ynh_exec_as_app "${gobuild_env[@]}" go mod download 2>&1 && break
             sleep 5
         done
         set -e
-        ynh_exec_as "$app" env "${gobuild_env[@]}" go install github.com/mattn/go-sqlite3 github.com/Kagami/go-face 2>&1
-        ynh_exec_as "$app" env "${gobuild_env[@]}" go build -o photoview . 2>&1
+        ynh_exec_as_app "${gobuild_env[@]}" go install github.com/mattn/go-sqlite3 github.com/Kagami/go-face 2>&1
+        ynh_exec_as_app "${gobuild_env[@]}" go build -o photoview . 2>&1
     popd || ynh_die
 
     cp -T "$install_dir/sources/api/photoview" "$install_dir/output/photoview"
@@ -69,35 +64,26 @@ function build_api {
 }
 
 function build_ui {
-    ynh_use_nodejs
 
     pushd "$install_dir/sources/ui" || ynh_die
-        ynh_replace_string -m "cd .. && " -r "" -f "package.json"
-        # chown -R "$app:$app" $install_dir
-        ynh_exec_as "$app" touch ".yarnrc"
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" import 2>&1
-        # ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" add husky 2>&1
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" install --production 2>&1
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" add graphql --production --ignore-engines 2>&1
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" run build 2>&1
-        # ynh_exec_as "$app" env "$ynh_node_load_PATH" NODE_ENV=production "$ynh_npm" install
-        # ynh_exec_as "$app" env "$ynh_node_load_PATH" NODE_ENV=production "$ynh_npm" run build
+        ynh_replace -m "cd .. && " -r "" -f "package.json"
+        # #REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R "$app:$app" $install_dir
+        ynh_exec_as_app touch ".yarnrc"
+        ynh_exec_as_app node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" import 2>&1
+        # ynh_exec_as_app node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" add husky 2>&1
+        ynh_exec_as_app node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" install --production 2>&1
+        ynh_exec_as_app node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" add graphql --production --ignore-engines 2>&1
+        ynh_exec_as_app node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" run build 2>&1
+        # ynh_exec_as_app node_load_PATH" NODE_ENV=production npm install
+        # ynh_exec_as_app node_load_PATH" NODE_ENV=production npm run build
     popd || ynh_die
 
     cp -rT "$install_dir/sources/ui/dist" "$install_dir/output/ui"
 }
 
 function cleanup_sources {
-    ynh_secure_remove --file="$install_dir/libheif"
-    ynh_secure_remove --file="$install_dir/sources"
-    ynh_secure_remove --file="$install_dir/go"
-    ynh_secure_remove --file="$install_dir/.cache/go-build"
+    ynh_safe_rm "$install_dir/libheif"
+    ynh_safe_rm "$install_dir/sources"
+    ynh_safe_rm "$install_dir/go"
+    ynh_safe_rm "$install_dir/.cache/go-build"
 }
-
-#=================================================
-# EXPERIMENTAL HELPERS
-#=================================================
-
-#=================================================
-# FUTURE OFFICIAL HELPERS
-#=================================================
diff --git a/scripts/backup b/scripts/backup
index 89c91f6..e86b005 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -8,48 +8,45 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# DECLARE DATA AND CONF FILES TO BACKUP
-#=================================================
-ynh_print_info --message="Declaring files to be backed up..."
+ynh_print_info "Declaring files to be backed up..."
 
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================
 
-ynh_backup --src_path="$install_dir"
+ynh_backup "$install_dir"
 
 #=================================================
 # BACKUP THE APP DATA DIR
 #=================================================
 
-ynh_backup --src_path="$data_dir" --is_big
+ynh_backup "$data_dir"
 
 #=================================================
 # BACKUP THE SYSTEM CONFIGURATION
 #=================================================
 
-ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 
-ynh_backup --src_path="/etc/logrotate.d/$app"
+ynh_backup "/etc/logrotate.d/$app"
 
-ynh_backup --src_path="/etc/systemd/system/$app.service"
+ynh_backup "/etc/systemd/system/$app.service"
 
 #=================================================
 # BACKUP VARIOUS FILES
 #=================================================
 
-ynh_backup --src_path="/var/log/$app/"
+ynh_backup "/var/log/$app/"
 
 #=================================================
 # BACKUP THE MYSQL DATABASE
 #=================================================
-ynh_print_info --message="Backing up the MySQL database..."
+ynh_print_info "Backing up the MySQL database..."
 
-ynh_mysql_dump_db --database="$db_name" > db.sql
+ynh_mysql_dump_db > db.sql
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_print_info --message="Backup script completed for $app. (YunoHost will then actually copy those files to the archive)."
+ynh_print_info "Backup script completed for $app. (YunoHost will then actually copy those files to the archive)."
diff --git a/scripts/change_url b/scripts/change_url
index a19371b..ad82d27 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -10,34 +10,34 @@ source /usr/share/yunohost/helpers
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping $app's systemd service..." --weight=1
+ynh_script_progression "Stopping $app's systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service="$app" --action="stop"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
-ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
+ynh_script_progression "Updating NGINX web server configuration..."
 
-ynh_change_url_nginx_config
+ynh_config_change_url_nginx
 
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
 
-ynh_add_config --template=".env" --destination="$install_dir/output/.env"
-chown "$app:$app" "$install_dir/output/.env"
+ynh_config_add --template=".env" --destination="$install_dir/output/.env"
+#REMOVEME? Assuming the file is setup using ynh_config_add, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown "$app:$app" "$install_dir/output/.env"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting $app's systemd service..." --weight=1
+ynh_script_progression "Starting $app's systemd service..."
 
 # Start a systemd service
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service="$app" --action="start"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Change of URL completed for $app" --last
+ynh_script_progression "Change of URL completed for $app"
diff --git a/scripts/install b/scripts/install
index 0db6ebf..0814bf3 100755
--- a/scripts/install
+++ b/scripts/install
@@ -10,40 +10,40 @@ source /usr/share/yunohost/helpers
 #=================================================
 # INSTALL GO
 #=================================================
-ynh_script_progression --message="Installing Go..." --weight=10
+ynh_script_progression "Installing Go..."
 
-ynh_install_go --go_version="$go_version"
+ynh_go_install
 
 #=================================================
 # INSTALL NODEJS
 #=================================================
-ynh_script_progression --message="Installing NodeJS..." --weight=10
+ynh_script_progression "Installing NodeJS..."
 
-ynh_install_nodejs --nodejs_version="$node_version"
+ynh_nodejs_install
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Setting up source files..." --weight=10
+ynh_script_progression "Setting up source files..."
 
 ynh_setup_source --dest_dir="$install_dir/sources"
 ynh_setup_source --source_id=libheif --dest_dir="$install_dir/libheif"
 
 mkdir -p "$install_dir/output/"{data,ui}
 
-chown -R "$app:$app" "$install_dir"
+#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R "$app:$app" "$install_dir"
 chown -R "$app:$app" "$data_dir"
 
 #=================================================
 # BUILD APP
 #=================================================
-ynh_script_progression --message="Compiling libheif..." --weight=10
+ynh_script_progression "Compiling libheif..."
 build_libheif
 
-ynh_script_progression --message="Compiling Go API..." --weight=10
+ynh_script_progression "Compiling Go API..."
 build_api
 
-ynh_script_progression --message="Building static UI files..." --weight=10
+ynh_script_progression "Building static UI files..."
 build_ui
 
 cleanup_sources
@@ -51,36 +51,36 @@ cleanup_sources
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
-ynh_script_progression --message="Adding $app's configuration file..."
+ynh_script_progression "Adding $app's configuration file..."
 
-ynh_add_config --template=".env" --destination="$install_dir/output/.env"
-chown "$app:$app" "$install_dir/output/.env"
+ynh_config_add --template=".env" --destination="$install_dir/output/.env"
+#REMOVEME? Assuming the file is setup using ynh_config_add, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown "$app:$app" "$install_dir/output/.env"
 
 #=================================================
 # SYSTEM CONFIGURATION
 #=================================================
-ynh_script_progression --message="Adding system configurations related to $app..." --weight=1
+ynh_script_progression "Adding system configurations related to $app..."
 
 # Create a dedicated NGINX config
-ynh_add_nginx_config
+ynh_config_add_nginx
 
 # Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_config_add_systemd
 yunohost service add "$app" --description="Photoview photo manager API" --log="/var/log/$app/$app.log"
 
 # Use logrotate to manage application logfile(s)
-ynh_use_logrotate
+ynh_config_add_logrotate
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting $app's systemd service..." --weight=1
+ynh_script_progression "Starting $app's systemd service..."
 
 # Start a systemd service
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service="$app" --action="start"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Installation of $app completed" --last
+ynh_script_progression "Installation of $app completed"
diff --git a/scripts/remove b/scripts/remove
index 9363d82..a24a63a 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -10,35 +10,35 @@ source /usr/share/yunohost/helpers
 #=================================================
 # REMOVE SYSTEM CONFIGURATIONS
 #=================================================
-ynh_script_progression --message="Removing system configurations related to $app..." --weight=1
+ynh_script_progression "Removing system configurations related to $app..."
 
 # Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
-if ynh_exec_warn_less yunohost service status "$app" >/dev/null; then
+if ynh_hide_warnings yunohost service status "$app" >/dev/null; then
     yunohost service remove "$app"
 fi
 
 # Remove the dedicated systemd config
-ynh_remove_systemd_config
+ynh_config_remove_systemd
 
 # Remove the app-specific logrotate config
-ynh_remove_logrotate
+ynh_config_remove_logrotate
 
 # Remove the dedicated NGINX config
-ynh_remove_nginx_config
+ynh_config_remove_nginx
 
 # Remove other various files specific to the app... such as :
 
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Removing Go..." --weight=5
-ynh_remove_go
+ynh_script_progression "Removing Go..."
+ynh_go_remove
 
-ynh_script_progression --message="Removing NodeJS..." --weight=5
-ynh_remove_nodejs
+ynh_script_progression "Removing NodeJS..."
+ynh_nodejs_remove
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Removal of $app completed" --last
+ynh_script_progression "Removal of $app completed"
diff --git a/scripts/restore b/scripts/restore
index 85c879b..b06042e 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -11,37 +11,37 @@ source /usr/share/yunohost/helpers
 #=================================================
 # INSTALL GO
 #=================================================
-ynh_script_progression --message="Reinstalling Go..." --weight=10
+ynh_script_progression "Reinstalling Go..."
 
-ynh_install_go --go_version="$go_version"
+ynh_go_install
 
 #=================================================
 # INSTALL NODEJS
 #=================================================
-ynh_script_progression --message="Reinstalling NodeJS..." --weight=10
+ynh_script_progression "Reinstalling NodeJS..."
 
-ynh_install_nodejs --nodejs_version="$node_version"
+ynh_nodejs_install
 
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Restoring the app main directory..." --weight=1
+ynh_script_progression "Restoring the app main directory..."
 
-ynh_restore_file --origin_path="$install_dir"
+ynh_restore "$install_dir"
 
 #=================================================
 # RESTORE THE APP DATA DIR
 #=================================================
-ynh_script_progression --message="Restoring the app data directory..." --weight=1
+ynh_script_progression "Restoring the app data directory..."
 
-ynh_restore_file --origin_path="$data_dir" --not_mandatory
+ynh_restore "$data_dir"
 
 #=================================================
 # RESTORE THE MYSQL DATABASE
 #=================================================
-ynh_script_progression --message="Restoring the MySQL database..." --weight=1
+ynh_script_progression "Restoring the MySQL database..."
 
-ynh_mysql_connect_as --user="$db_user" --password="$db_pwd" --database="$db_name" < ./db.sql
+ynh_mysql_db_shell < ./db.sql
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -52,32 +52,32 @@ set_go_vars
 # RESTORE VARIOUS FILES
 #=================================================
 
-ynh_restore_file --origin_path="/var/log/$app/"
+ynh_restore "/var/log/$app/"
 
 #=================================================
 # RESTORE SYSTEM CONFIGURATIONS
 #=================================================
-ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1
+ynh_script_progression "Restoring system configurations related to $app..."
 
-ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+ynh_restore "/etc/nginx/conf.d/$domain.d/$app.conf"
 
-ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
+ynh_restore "/etc/systemd/system/$app.service"
 systemctl enable "$app.service" --quiet
 yunohost service add "$app" --description="Photoview photo manager API" --log="/var/log/$app/$app.log"
 
-ynh_restore_file --origin_path="/etc/logrotate.d/$app"
+ynh_restore "/etc/logrotate.d/$app"
 
 #=================================================
 # RELOAD NGINX AND PHP-FPM OR THE APP SERVICE
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server and $app's service..." --weight=1
+ynh_script_progression "Reloading NGINX web server and $app's service..."
 
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service="$app" --action="start"
 
-ynh_systemd_action --service_name=nginx --action=reload
+ynh_systemctl --service=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Restoration completed for $app" --last
+ynh_script_progression "Restoration completed for $app"
diff --git a/scripts/upgrade b/scripts/upgrade
index d2ae849..e3476f4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -10,58 +10,58 @@ source /usr/share/yunohost/helpers
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping $app's systemd service..." --weight=1
+ynh_script_progression "Stopping $app's systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service="$app" --action="stop"
 
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
-ynh_script_progression --message="Ensuring downward compatibility..."
+ynh_script_progression "Ensuring downward compatibility..."
 
 if [ ! -d "$install_dir/sources" ]; then
     # Final cleanup...
-    ynh_secure_remove --file="$install_dir"
+    ynh_safe_rm "$install_dir"
     mkdir -p "$install_dir"
-    chmod 750 "$install_dir"
+    #REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chmod 750 "$install_dir"
 fi
 
 #=================================================
 # INSTALL GO
 #=================================================
-ynh_script_progression --message="Upgrading Go..." --weight=10
+ynh_script_progression "Upgrading Go..."
 
-ynh_install_go --go_version="$go_version"
+ynh_go_install
 
 #=================================================
 # INSTALL NODEJS
 #=================================================
-ynh_script_progression --message="Upgrading NodeJS..." --weight=10
+ynh_script_progression "Upgrading NodeJS..."
 
-ynh_install_nodejs --nodejs_version="$node_version"
+ynh_nodejs_install
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Upgrading source files..." --weight=5
+ynh_script_progression "Upgrading source files..."
 
-ynh_setup_source --dest_dir="$install_dir/sources" --full_replace=1
-ynh_setup_source --source_id=libheif --dest_dir="$install_dir/libheif" --full_replace=1
+ynh_setup_source --dest_dir="$install_dir/sources" --full_replace
+ynh_setup_source --source_id=libheif --dest_dir="$install_dir/libheif" --full_replace
 mkdir -p "$install_dir/output/"{data,ui}
 
-chown -R "$app:$app" "$install_dir"
+#REMOVEME? Assuming the install dir is setup using ynh_setup_source, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown -R "$app:$app" "$install_dir"
 chown -R "$app:$app" "$data_dir"
 
 #=================================================
 # BUILD APP
 #=================================================
-ynh_script_progression --message="Compiling libheif..." --weight=70
+ynh_script_progression "Compiling libheif..."
 build_libheif
 
-ynh_script_progression --message="Compiling Go API..." --weight=165
+ynh_script_progression "Compiling Go API..."
 build_api
 
-ynh_script_progression --message="Building static UI files..." --weight=45
+ynh_script_progression "Building static UI files..."
 build_ui
 
 cleanup_sources
@@ -69,35 +69,35 @@ cleanup_sources
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
-ynh_script_progression --message="Updating a configuration file..."
+ynh_script_progression "Updating configuration..."
 
-ynh_add_config --template=".env" --destination="$install_dir/output/.env"
-chown "$app:$app" "$install_dir/output/.env"
+ynh_config_add --template=".env" --destination="$install_dir/output/.env"
+#REMOVEME? Assuming the file is setup using ynh_config_add, the proper chmod/chowns are now already applied and it shouldn't be necessary to tweak perms | chown "$app:$app" "$install_dir/output/.env"
 
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS
 #=================================================
-ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1
+ynh_script_progression "Upgrading system configurations related to $app..."
 
 # Create a dedicated NGINX config
-ynh_add_nginx_config
+ynh_config_add_nginx
 
 # Create a dedicated systemd config
-ynh_add_systemd_config
+ynh_config_add_systemd
 yunohost service add "$app" --description="Photoview photo manager API" --log="/var/log/$app/$app.log"
 
 # Use logrotate to manage app-specific logfile(s)
-ynh_use_logrotate --non-append
+ynh_config_add_logrotate
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting $app's systemd service..." --weight=1
+ynh_script_progression "Starting $app's systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemctl --service="$app" --action="start"
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Upgrade of $app completed" --last
+ynh_script_progression "Upgrade of $app completed"