diff --git a/scripts/_common.sh b/scripts/_common.sh
index a2f8cdc..81fa75d 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -24,16 +24,22 @@ ynh_check_global_uwsgi_config () {
 #   __PATH__      by  $path_url
 #   __FINALPATH__ by  $final_path
 #
+#  And dynamic variables (from the last example) :
+#   __PATH_2__    by $path_2
+#   __PORT_2__    by $port_2
+#
 # usage: ynh_add_uwsgi_service
 #
 # to interact with your service: `systemctl <action> uwsgi-app@app`
 ynh_add_uwsgi_service () {
 	ynh_check_global_uwsgi_config
 
+	local others_var=${1:-}
+	local finaluwsgiini="/etc/uwsgi/apps-available/$app.ini"
+
 	# www-data group is needed since it is this nginx who will start the service
 	usermod --append --groups www-data "$app" || ynh_die "It wasn't possible to add user $app to group www-data"
 
-	finaluwsgiini="/etc/uwsgi/apps-available/$app.ini"
 	ynh_backup_if_checksum_is_different "$finaluwsgiini"
 	cp ../conf/uwsgi.ini "$finaluwsgiini"
 
@@ -48,6 +54,15 @@ ynh_add_uwsgi_service () {
 	if test -n "${app:-}"; then
 		ynh_replace_string "__APP__" "$app" "$finaluwsgiini"
 	fi
+
+	# Replace all other variable given as arguments
+	for var_to_replace in $others_var
+	do
+		# ${var_to_replace^^} make the content of the variable on upper-cases
+		# ${!var_to_replace} get the content of the variable named $var_to_replace 
+		ynh_replace_string "__${var_to_replace^^}__" "${!var_to_replace}" "$finaluwsgiini"
+	done
+
 	ynh_store_file_checksum "$finaluwsgiini"
 
 	chown $app:root "$finaluwsgiini"
@@ -58,8 +73,11 @@ ynh_add_uwsgi_service () {
 	chmod -R u=rwX,g=rX,o= /var/log/uwsgi/$app
 
 	systemctl daemon-reload
+	systemctl stop "uwsgi-app@$app.service"
 	systemctl enable "uwsgi-app@$app.socket"
 	systemctl start "uwsgi-app@$app.socket"
+	systemctl enable "uwsgi-app@$app.service"
+	systemctl start "uwsgi-app@$app.service"
 
 	# Add as a service
 	yunohost service add "uwsgi-app@$app" --log "/var/log/uwsgi/$app/$app.log"
@@ -69,10 +87,12 @@ ynh_add_uwsgi_service () {
 #
 # usage: ynh_remove_uwsgi_service
 ynh_remove_uwsgi_service () {
-	finaluwsgiini="/etc/uwsgi/apps-available/$app.ini"
+	local finaluwsgiini="/etc/uwsgi/apps-available/$app.ini"
 	if [ -e "$finaluwsgiini" ]; then
 		systemctl stop "uwsgi-app@$app.socket"
 		systemctl disable "uwsgi-app@$app.socket"
+		systemctl stop "uwsgi-app@$app.service"
+		systemctl disable "uwsgi-app@$app.service"
 		yunohost service remove "uwsgi-app@$app"
 
 		ynh_secure_remove "$finaluwsgiini"
diff --git a/scripts/install b/scripts/install
index 208e2a6..fe798b1 100644
--- a/scripts/install
+++ b/scripts/install
@@ -113,37 +113,6 @@ ynh_system_user_create "$app" "$final_path"
 
 #=================================================
 # SPECIFIC SETUP
-#=================================================
-# create config file syncserver.ini
-#=================================================
-
-# Generate random password and save
-secret=$(ynh_string_random)
-ynh_app_setting_set "$app" secret "$secret"
-
-# Copy Files
-ynh_replace_string "__APP__"       "$app"        "$finaluwsgiini"
-ynh_replace_string "__DOMAIN__"    "$domain"     "$finaluwsgiini"
-ynh_replace_string "__PATH__"      "$path_url"   "$finaluwsgiini"
-ynh_replace_string "__NAME__"      "$app"        "$finaluwsgiini"
-ynh_replace_string "__FINALPATH__" "$final_path" "$finaluwsgiini"
-ynh_replace_string "__SECRET__"    "$secret"     "$finaluwsgiini"
-
-ynh_replace_string "__DB_USER__"   "$db_user" "$finaluwsgiini"
-ynh_replace_string "__DB_PWD__"    "$db_pwd"  "$finaluwsgiini"
-ynh_replace_string "__DB_NAME__"   "$db_name" "$finaluwsgiini"
-
-rm "$final_path/syncserver.ini"
-ln -s "$finaluwsgiini" "$final_path/syncserver.ini"
-
-#=================================================
-# MODIFY A CONFIG FILE
-#=================================================
-
-# TODO: fix this css patch
-# ynh_replace_string "media\/img@$path_url\/media\/img@g" $final_path/syncserver/page/sync_files/firefox_sync-bundle.css
-# ynh_replace_string "media\/img@$path_url\/media\/img@g" $final_path/syncserver/page/sync_files/responsive-bundle.css
-
 #=================================================
 # pip installation
 #=================================================
@@ -171,20 +140,38 @@ cp -r ../sources/page $final_path/syncserver/
 (cd "$final_path/syncserver" && patch -p1 < $YNH_CWD/../sources/homepage.patch) || echo "Unable to apply patches"
 
 #=================================================
-# SETUP UWSGI
+# SECURE FILES AND DIRECTORIES
 #=================================================
 
-ynh_add_uwsgi_service
+chown $app -R $final_path
+chmod u=rwX,g=rX,o= -R $final_path
+
 
 #=================================================
-# GENERIC FINALIZATION
+# SETUP UWSGI
 #=================================================
-# SECURE FILES AND DIRECTORIES
+
+# Generate random password and save
+secret=$(ynh_string_random)
+ynh_app_setting_set "$app" secret "$secret"
+
+# create config file syncserver.ini
+rm "$final_path/syncserver.ini"
+ln -s "/etc/uwsgi/apps-available/$app.ini" "$final_path/syncserver.ini"
+
+# configure uwsgi
+ynh_add_uwsgi_service 'domain secret db_user db_pwd db_name'
+
+#=================================================
+# MODIFY A CONFIG FILE
 #=================================================
 
-chown $app -R $final_path
-chmod u=rwX,g=rX,o= -R $final_path
+# TODO: fix this css patch
+# ynh_replace_string "media\/img@$path_url\/media\/img@g" $final_path/syncserver/page/sync_files/firefox_sync-bundle.css
+# ynh_replace_string "media\/img@$path_url\/media\/img@g" $final_path/syncserver/page/sync_files/responsive-bundle.css
 
+#=================================================
+# GENERIC FINALIZATION
 #=================================================
 # SETUP LOGROTATE
 #=================================================
@@ -197,10 +184,3 @@ ynh_use_logrotate /var/log/uwsgi/$app
 
 # accessible by everyone (authentification is done by firefox accounts)
 ynh_app_setting_set "$app" skipped_uris "/"
-
-#=================================================
-# RELOAD NGINX
-#=================================================
-
-systemctl start "uwsgi-app@$app.service"
-systemctl reload nginx
diff --git a/scripts/upgrade b/scripts/upgrade
index a37a945..ead10a4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -98,12 +98,6 @@ ynh_install_app_dependencies python-dev python-virtualenv \
 			 `# ARM support: ` \
 			 build-essential libssl-dev libffi-dev
 
-#=================================================
-# SPECIFIC SETUP UWSGI
-#=================================================
-
-ynh_add_uwsgi_service
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -139,25 +133,6 @@ fi
 # Create a system user
 ynh_system_user_create "$app"
 
-#=================================================
-# SPECIFIC UPGRADE
-#=================================================
-
-# Copy Files
-ynh_replace_string "__APP__"       "$app"        "$finaluwsgiini"
-ynh_replace_string "__DOMAIN__"    "$domain"     "$finaluwsgiini"
-ynh_replace_string "__PATH__"      "$path_url"   "$finaluwsgiini"
-ynh_replace_string "__NAME__"      "$app"        "$finaluwsgiini"
-ynh_replace_string "__FINALPATH__" "$final_path" "$finaluwsgiini"
-ynh_replace_string "__SECRET__"    "$secret"     "$finaluwsgiini"
-
-ynh_replace_string "__DB_USER__"   "$db_user" "$finaluwsgiini"
-ynh_replace_string "__DB_PWD__"    "$db_pwd"  "$finaluwsgiini"
-ynh_replace_string "__DB_NAME__"   "$db_name" "$finaluwsgiini"
-
-rm "$final_path/syncserver.ini"
-ln -s "$finaluwsgiini" "$final_path/syncserver.ini"
-
 #=================================================
 # pip installation
 #=================================================
@@ -184,8 +159,6 @@ virtualenv "$final_path/local"
 cp -r ../sources/page $final_path/syncserver/
 (cd "$final_path/syncserver" && patch -p1 < $YNH_CWD/../sources/homepage.patch) || echo "Unable to apply patches"
 
-#=================================================
-# GENERIC FINALIZATION
 #=================================================
 # SECURE FILES AND DIRECTORIES
 #=================================================
@@ -193,6 +166,19 @@ cp -r ../sources/page $final_path/syncserver/
 chown $app -R $final_path
 chmod u=rwX,g=rX,o= -R $final_path
 
+#=================================================
+# SETUP UWSGI
+#=================================================
+
+# create config file syncserver.ini
+rm "$final_path/syncserver.ini"
+ln -s "/etc/uwsgi/apps-available/$app.ini" "$final_path/syncserver.ini"
+
+# configure uwsgi
+ynh_add_uwsgi_service 'domain secret db_user db_pwd db_name'
+
+#=================================================
+# GENERIC FINALIZATION
 #=================================================
 # SETUP LOGROTATE
 #=================================================