diff --git a/README.md b/README.md
index bdbbd2d..140c5a2 100644
--- a/README.md
+++ b/README.md
@@ -9,13 +9,13 @@
 If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/install) to learn how to install it.*
 
 ## Overview
-Pepettes is a donation form working with stripe.
+Pepettes is a donation form based on Stripe.
 
 **Shipped version:** 1.0
 
 ## Screenshots
 
-![](Link to a screenshot of this app.)
+(none yet)
 
 ## Demo
 
@@ -23,7 +23,7 @@ Pepettes is a donation form working with stripe.
 
 ## Configuration
 
-How to configure this app: From an admin panel, a plain file with SSH, or any other way.
+How to configure this app: During the installation, or in `settings.py` after installation.
 
 ## Documentation
 
@@ -44,15 +44,15 @@ Can the app be used by multiple users? yes
 
 ## Limitations
 
-* Any known limitations.
+(none)
 
 ## Additional information
 
+(none)
 
 ## Links
 
  * Report a bug: https://github.com/YunoHost-Apps/pepettes_ynh/issues
- * App website: -
  * Upstream app repository: https://github.com/YunoHost/pepettes/
  * YunoHost website: https://yunohost.org/
 
@@ -60,7 +60,6 @@ Can the app be used by multiple users? yes
 
 ## Developer info
 
-**Only if you want to use a testing branch for coding, instead of merging directly into master.**
 Please send your pull request to the [testing branch](https://github.com/YunoHost-Apps/pepettes_ynh/tree/testing).
 
 To try the testing branch, please proceed like that.
diff --git a/check_process b/check_process
index 1fd3492..3c806e3 100644
--- a/check_process
+++ b/check_process
@@ -1,38 +1,24 @@
-# 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)
-		path="/path"	(PATH)
-		is_public=1	(PUBLIC|public=1|private=0)
-		project_name="YunoHost"
-        contact_url="https://forum.yunohost.org/t/donate-to-yunohost/9211"
-		logo="https://yunohost.org/user/images/logo.png"
-		favicon="https://yunohost.org/user/themes/yunohost-docs/images/favicon.png"
-        publishable_key="pk_test_gOgGjacs9YfvDJY03BRZ576O"
-        secret_key="sk_test_aaaaaaaaaaaaaaaaa"
-        prices="one_time/EUR/price_1IKuPV,recuring/EUR/price_1IKuPV"
+                domain="domain.tld"	(DOMAIN)
+                path="/path"	(PATH)
+                is_public=1	(PUBLIC|public=1|private=0)
+                project_name="YunoHost"
+                contact_url="https://forum.yunohost.org/t/donate-to-yunohost/9211"
+                logo="https://yunohost.org/user/images/logo.png"
+                favicon="https://yunohost.org/user/themes/yunohost-docs/images/favicon.png"
+                publishable_key="pk_test_gOgGjacs9YfvDJY03BRZ576O"
+                secret_key="sk_test_aaaaaaaaaaaaaaaaa"
+                prices="one_time/EUR/price_1IKuPV,recuring/EUR/price_1IKuPV"
 	; Checks
 		pkg_linter=1
-		setup_sub_dir=1
+		setup_sub_dir=0
 		setup_root=1
 		setup_nourl=0
 		setup_private=1
 		setup_public=1
 		upgrade=1
-		upgrade=1	from_commit=CommitHash
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
 		change_url=1
-;;; Options
-Email=
-Notification=none
-;;; Upgrade options
-	; commit=CommitHash
-		name=Name and date of the commit.
-		manifest_arg=domain=DOMAIN&path=PATH
-
diff --git a/conf/gunicorn.py b/conf/gunicorn.py
index 4c88dda..db092a2 100644
--- a/conf/gunicorn.py
+++ b/conf/gunicorn.py
@@ -1,11 +1,11 @@
 command = '__FINALPATH__/venv/bin/gunicorn'
 pythonpath = '__FINALPATH__'
 workers = 4
-user = '__NAME__'
+user = '__APP__'
 bind = 'unix:__FINALPATH__/sock'
-pid = '/run/gunicorn/__NAME__-pid'
-errorlog = '/var/log/__NAME__/error.log'
-accesslog = '/var/log/__NAME__/access.log'
+pid = '__FINALPATH__/__APP__-pid'
+errorlog = '/var/log/__APP__/error.log'
+accesslog = '/var/log/__APP__/access.log'
 access_log_format = '%({X-Real-IP}i)s %({X-Forwarded-For}i)s %(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"'
 loglevel = 'warning'
 capture_output = True
diff --git a/conf/systemd.service b/conf/systemd.service
index 746d3db..c25b84f 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -1,13 +1,13 @@
 [Unit]
-Description=Small description of the service
+Description=__APP__ Daemon
 After=network.target
 
 [Service]
-PIDFile=/run/gunicorn/__APP__-pid
+PIDFile=__FINALPATH__/__APP__-pid
 User=__APP__
 Group=__APP__
 WorkingDirectory=__FINALPATH__
-ExecStart=__FINALPATH__/venv/bin/gunicorn -c __FINALPATH__/gunicorn.py wsgi:app
+ExecStart=__FINALPATH__/venv/bin/gunicorn -c __FINALPATH__/gunicorn.py wsgi:app --pid __FINALPATH__/__APP__-pid
 ExecReload=/bin/kill -s HUP $MAINPID
 ExecStop=/bin/kill -s TERM $MAINPID
 PrivateTmp=true
diff --git a/manifest.json b/manifest.json
index 3077a93..6d5d8ac 100644
--- a/manifest.json
+++ b/manifest.json
@@ -32,16 +32,6 @@
                 },
                 "example": "example.com"
             },
-            {
-                "name": "path",
-                "type": "path",
-                "ask": {
-                    "en": "Choose a path for pepettes",
-                    "fr": "Choisissez un chemin pour pepettes"
-                },
-                "example": "/donation",
-                "default": "/donation"
-            },
             {
                 "name": "is_public",
                 "type": "boolean",
diff --git a/scripts/backup b/scripts/backup
index 1400566..3beb939 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -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.
 	true
 }
 # Exit if an error occurs during the execution of the script
@@ -51,8 +50,6 @@ ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 #=================================================
 # SPECIFIC BACKUP
-#=================================================
-
 #=================================================
 # BACKUP SYSTEMD
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 17802c4..cf801f6 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -74,7 +74,7 @@ fi
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd" --line_match="Stopped"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
@@ -118,7 +118,8 @@ fi
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+# Start a systemd service
+ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Started"
 
 #=================================================
 # RELOAD NGINX
diff --git a/scripts/install b/scripts/install
index 1e50915..4c3f7b7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -14,7 +14,6 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
 	true
 }
 # Exit if an error occurs during the execution of the script
@@ -25,7 +24,7 @@ ynh_abort_if_errors
 #=================================================
 
 domain=$YNH_APP_ARG_DOMAIN
-path_url=$YNH_APP_ARG_PATH
+path_url="/"
 is_public=$YNH_APP_ARG_IS_PUBLIC
 project_name=$YNH_APP_ARG_PROJECT_NAME
 contact_url=$YNH_APP_ARG_CONTACT_URL
@@ -108,25 +107,29 @@ ynh_add_nginx_config
 ynh_script_progression --message="Configuring system user..." --weight=1
 
 # Create a system user
-ynh_system_user_create --username=$app
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # SPECIFIC SETUP
 #=================================================
+# INSTALL PYTHON DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Installing Python dependencies..."
+
 pushd $final_path
-python3 -m venv venv
-venv/bin/pip install -r requirements.txt
-venv/bin/pip install gunicorn
-mkdir -p /var/log/$app
-chown -R $app:www-data /var/log/$app
-cat <<EOF >> wsgi.py 
+	python3 -m venv venv
+	venv/bin/pip install --upgrade pip
+	venv/bin/pip install -r requirements.txt
+	venv/bin/pip install gunicorn
+	mkdir -p /var/log/$app
+	chown -R $app:www-data /var/log/$app
+	cat <<EOF >> wsgi.py 
 from server import app
 
 if __name__ == "__main__":
     app.run()
 EOF
 popd
-#=================================================
 
 #=================================================
 # SETUP SYSTEMD
@@ -139,17 +142,11 @@ ynh_add_systemd_config
 #=================================================
 # MODIFY A CONFIG FILE
 #=================================================
+ynh_script_progression --message="Modifying a config file..."
 
 ynh_add_config --template="../conf/gunicorn.py" --destination="$final_path/gunicorn.py"
 ynh_add_config --template="../conf/settings.py" --destination="$final_path/settings.py"
 
-#=================================================
-# STORE THE CONFIG FILE CHECKSUM
-#=================================================
-
-# Calculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$final_path/gunicorn.py"
-ynh_store_file_checksum --file="$final_path/settings.py"
 for price in $(echo $prices | sed "s/,/ /"); do
     frequency=$(echo $price | cut -d/ -f1)
     currency=$(echo $price | cut -d/ -f2)
@@ -162,19 +159,18 @@ done
 #=================================================
 # SECURE FILES AND DIRECTORIES
 #=================================================
+ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions to app files
-chown -R root: $final_path
-chown pepettes:root $final_path
-chown pepettes:root $final_path/settings.py
-chmod o=--- $final_path/settings.py
+chown -R $app:www-data $final_path
+chmod o=--- $final_path
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="A simple donation form" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="A simple donation form" --log_type="systemd"
 
 #=================================================
 # START SYSTEMD SERVICE
@@ -182,7 +178,7 @@ yunohost service add $app --description="A simple donation form" --log="/var/log
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 # Start a systemd service
-ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Started"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/remove b/scripts/remove
index a2cf263..b492b54 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -70,9 +70,10 @@ ynh_remove_nginx_config
 #=================================================
 # REMOVE VARIOUS FILES
 #=================================================
+ynh_script_progression --message="Removing various files..."
 
 # Remove the log files
-#ynh_secure_remove --file="/var/log/$app/"
+ynh_secure_remove --file="/var/log/$app"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/restore b/scripts/restore
index a8fc3ba..6f48eb9 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.
 	true
 }
 # Exit if an error occurs during the execution of the script
@@ -24,7 +23,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=1
+ynh_script_progression --message="Loading settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -47,6 +46,7 @@ test ! -d $final_path \
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
 #=================================================
+ynh_script_progression --message="Restoring the NGINX web server configuration..."
 
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
@@ -63,14 +63,7 @@ ynh_restore_file --origin_path="$final_path"
 ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
 
 # Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app
-
-#=================================================
-# RESTORE USER RIGHTS
-#=================================================
-
-# Restore permissions on app files
-chown -R root: $final_path
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -82,6 +75,29 @@ ynh_script_progression --message="Reinstalling dependencies..." --weight=1
 # Define and install dependencies
 ynh_install_app_dependencies $pkg_dependencies
 
+#=================================================
+# INSTALL PYTHON DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Installing Python dependencies..."
+
+pushd $final_path
+	python3 -m venv venv
+	venv/bin/pip install --upgrade pip
+	venv/bin/pip install -r requirements.txt
+	venv/bin/pip install gunicorn
+	mkdir -p /var/log/$app
+	chown -R $app:www-data /var/log/$app
+popd
+
+#=================================================
+# RESTORE USER RIGHTS
+#=================================================
+ynh_script_progression --message="Restoring user rights..."
+
+# Restore permissions on app files
+chown -R $app:www-data $final_path
+chmod o=--- $final_path
+
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
@@ -95,21 +111,21 @@ systemctl enable $app.service --quiet
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="A simple donation form" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="A simple donation form" --log_type="systemd"
 
 #=================================================
 # 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/$app.log"
+ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Started"
 
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
-# RELOAD NGINX AND PHP-FPM
+# RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..." --weight=1
+ynh_script_progression --message="Reloading NGINX web server..." --weight=1
 
 ynh_systemd_action --service_name=nginx --action=reload
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 6ddfcb0..41e1ebb 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -18,10 +18,23 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+port=$(ynh_app_setting_get --app=$app --key=port)
+
+project_name=$(ynh_app_setting_get --app=$app --key=project_name)
+contact_url=$(ynh_app_setting_get --app=$app --key=contact_url)
+logo=$(ynh_app_setting_get --app=$app --key=logo)
+favicon=$(ynh_app_setting_get --app=$app --key=favicon)
+publishable_key=$(ynh_app_setting_get --app=$app --key=publishable_key)
+secret_key=$(ynh_app_setting_get --app=$app --key=secret_key)
+prices=$(ynh_app_setting_get --app=$app --key=prices)
+secret=$(ynh_app_setting_get --app=$app --key=secret)
+csrf_key=$(ynh_app_setting_get --app=$app --key=csrf_key)
 
 #=================================================
 # CHECK VERSION
 #=================================================
+ynh_script_progression --message="Checking version..."
 
 upgrade_type=$(ynh_check_app_version_changed)
 
@@ -51,7 +64,7 @@ ynh_abort_if_errors
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd" --line_match="Stopped"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -86,13 +99,29 @@ ynh_install_app_dependencies $pkg_dependencies
 ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
 
 # Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # SPECIFIC UPGRADE
 #=================================================
-# ...
+# UPGRADE PYTHON DEPENDENCIES
 #=================================================
+ynh_script_progression --message="Installing Python dependencies..."
+
+pushd $final_path
+	python3 -m venv venv
+	venv/bin/pip install --upgrade pip
+	venv/bin/pip install -r requirements.txt
+	venv/bin/pip install gunicorn
+	mkdir -p /var/log/$app
+	chown -R $app:www-data /var/log/$app
+	cat <<EOF >> wsgi.py 
+from server import app
+
+if __name__ == "__main__":
+    app.run()
+EOF
+popd
 
 #=================================================
 # SETUP SYSTEMD
@@ -105,30 +134,42 @@ ynh_add_systemd_config
 #=================================================
 # MODIFY A CONFIG FILE
 #=================================================
+ynh_script_progression --message="Modifying a config file..."
 
+ynh_add_config --template="../conf/gunicorn.py" --destination="$final_path/gunicorn.py"
+ynh_add_config --template="../conf/settings.py" --destination="$final_path/settings.py"
+
+for price in $(echo $prices | sed "s/,/ /"); do
+    frequency=$(echo $price | cut -d/ -f1)
+    currency=$(echo $price | cut -d/ -f2)
+    price_id=$(echo $price | cut -d/ -f3)
+    echo "DONATION['$frequency']['$currency'] = '$price_id'" >> "$final_path/settings.py"
+done
 
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
 # SECURE FILES AND DIRECTORIES
 #=================================================
+ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions on app files
-chown -R root: $final_path
+chown -R $app:www-data $final_path
+chmod o=--- $final_path
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="A simple donation form" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="A simple donation form" --log_type="systemd"
 
 #=================================================
 # 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/$app.log"
+ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Started"
 
 #=================================================
 # RELOAD NGINX