diff --git a/scripts/_common.sh b/scripts/_common.sh
index 15edd5a..8e8e0bd 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -136,3 +136,19 @@ myynh_install_homeassistant () {
 			&& pip --no-cache-dir install --upgrade $app==$VERSION \
 		"
 }
+
+# Set permissions
+myynh_set_permissions () {
+	chown -R $app: "$final_path"
+	chmod 750 "$final_path"
+	chmod -R o-rwx "$final_path"
+
+	chown -R $app: "$data_path"
+	chmod 750 "$data_path"
+	chmod -R o-rwx "$data_path"
+	chmod -R +x "$data_path/bin/"
+
+	chown -R $app: "$(dirname "$log_file")"
+
+	chown -R root: "/etc/sudoers.d/$app"
+}
diff --git a/scripts/install b/scripts/install
index 1b52cef..5348086 100644
--- a/scripts/install
+++ b/scripts/install
@@ -45,17 +45,13 @@ ynh_system_user_create --username="$app"
 
 # create a directory for the installation of Home Assistant
 myynh_create_dir "$final_path"
-chown $app: "$final_path"
 
 # create a directory with its log file
 myynh_create_dir "$(dirname "$log_file")"
 touch "$log_file"
-chown -R $app: "$(dirname "$log_file")"
 
 # create a directory for the datas of Home Assistant
 myynh_create_dir "$data_path"
-myynh_create_dir "$data_path/.cache"
-chown -R $app: "$data_path"
 
 # build (if needed) & install Pyhton
 ynh_script_progression --message="Installing dependencies..."
@@ -69,21 +65,21 @@ ynh_exec_fully_quiet myynh_install_homeassistant
 ynh_script_progression --message="Configuring the installation..."
 cp -r "../conf/homeassistant_conf_files/." "$data_path/"
 ynh_add_config --template="../conf/homeassistant_conf_files/configuration.yaml" --destination="$data_path/configuration.yaml"
-chown -R $app: "$data_path"
-chmod -R +x "$data_path/bin/"
 
 # grant sudo permissions to the user to manage his own systemd service
 myynh_create_dir "/etc/sudoers.d"
 ynh_add_config --template="../conf/sudoers" --destination="/etc/sudoers.d/$app"
-chown -R root: "/etc/sudoers.d/$app"
 
 # setup up systemd service
 ynh_script_progression --message="Adding the dedicated service..."
 ynh_add_systemd_config
 
-## add service in admin panel
+# add service in admin panel
 yunohost service add "$app" --log "$log_file" --description "Home Assistant server" --needs_exposed_ports $port
 
+# set permissions
+myynh_set_permissions
+
 # start systemd service
 ynh_script_progression --message="Starting the Home Assistant server..."
 ynh_systemd_action --service_name="$app" --action=start --line_match="Home Assistant initialized" --log_path="$log_file" --timeout=3600
diff --git a/scripts/restore b/scripts/restore
index 5bc9e6e..b6dd55c 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -40,18 +40,14 @@ ynh_restore_file --origin_path="/etc/sudoers.d/$app"
 # restore source
 ynh_script_progression --message="Restoring the app..."
 ynh_restore_file --origin_path="$final_path"
-chown -R $app: "$final_path"
 
 # restore data
 ynh_script_progression --message="Restoring the data..."
 ynh_restore_file --origin_path="$data_path"
-chown -R $app: "$data_path"
-chmod -R +x "$data_path/bin"
 
 # restore log
 ynh_script_progression --message="Restoring the app..."
 ynh_restore_file --origin_path="$(dirname "$log_file")"
-chown -R $app: "$log_file"
 
 # add required packages
 ynh_script_progression --message="Restoring the packages dependencies..."
@@ -64,6 +60,9 @@ ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 # add service in admin panel
 yunohost service add "$app" --log "$log_file" --description "Home Assistant server" --needs_exposed_ports $port
 
+# set permissions
+myynh_set_permissions
+
 # restart the app
 ynh_script_progression --message="Starting the Home Assistant server..."
 sed --in-place "/ExecStart/s/$/ --verbose/" "/etc/systemd/system/$app.service"
@@ -82,11 +81,6 @@ ynh_restore_file --origin_path="/etc/logrotate.d/$app"
 # restore nginx
 ynh_script_progression --message="Restoring nginx web server..."
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
-
-sleep 10s #Only necessary for CI test otherwise curl failed to nginx page
-
 ynh_systemd_action --service_name=nginx --action=reload
 
-sleep 10s #Only necessary for CI test otherwise curl failed to nginx page
-
 ynh_script_progression --message="Recovery of $app completed" --last
diff --git a/scripts/upgrade b/scripts/upgrade
index 9a52847..2a87702 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -55,7 +55,6 @@ ynh_script_progression --message="If needed, migrating to new app architecture..
 if [ ! -d "$final_path" ]; then
   # move $final_path to new directory
   mv "/opt/yunohost/$app" "$final_path"
-  chown -R $app: "$final_path"
 fi
 if [ ! -d "$data_path" ]; then
   # remove pip cache
@@ -63,13 +62,11 @@ if [ ! -d "$data_path" ]; then
   # move $data_path to new directory
   mv "/""home""/$app" "$data_path"
   ynh_replace_string --match_string="/home/homeassistant/.homeassistant" --replace_string="$data_path" --target_file="$data_path/configuration.yaml"
-  chown -R $app: "$data_path"
 fi
 if [ ! -f "$log_file" ]; then
   # create a directory with its log file
   myynh_create_dir "$(dirname "$log_file")"
   touch "$log_file"
-  chown -R $app: "$(dirname "$log_file")"
 fi
 if [ -f "/etc/systemd/system/$app@$app.service" ]; then
   # remove old systemd service
@@ -86,8 +83,6 @@ ynh_exec_fully_quiet myynh_install_homeassistant
 # update script in bin
 ynh_script_progression --message="Updating YunoHost script used by homeassitant..."
 cp -r "../conf/homeassistant_conf_files/bin/." "$data_path/bin/"
-chown -R $app: "$data_path/bin"
-chmod -R +x "$data_path/bin/"
 
 # setup up systemd service
 ynh_script_progression --message="Adding the dedicated service..."
@@ -96,11 +91,13 @@ ynh_add_systemd_config
 # grant sudo permissions to the user to manage his own systemd service
 ynh_script_progression --message="Creating dedicated user, rights and folders..."
 ynh_add_config --template="../conf/sudoers" --destination="/etc/sudoers.d/$app"
-chown -R root: "/etc/sudoers.d/$app"
 
 # add service in admin panel
 yunohost service add "$app" --log "$log_file" --description "Home Assistant server" --needs_exposed_ports $port
 
+# set permissions
+myynh_set_permissions
+
 # start systemd service
 ynh_script_progression --message="Starting the Home Assistant server..."
 systemctl daemon-reload