diff --git a/conf/nginx.conf b/conf/nginx.conf
index 8031125..48c1c67 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,6 +1,6 @@
 location YNH_EXAMPLE_PATH {
 	# Path to source
-	alias YNH_EXAMPLE_ALIAS ;
+	alias YNH_EXAMPLE_ALIAS/;
 	if ($scheme = http) {
 		rewrite ^ https://$server_name$request_uri? permanent;
 	}
diff --git a/scripts/backup b/scripts/backup
index eb15fff..6ea3c8e 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/bin/bash
 
 # Exit on command errors and treat unset variables as an error
 set -eu
diff --git a/scripts/install b/scripts/install
index 3697179..0daa027 100644
--- a/scripts/install
+++ b/scripts/install
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/bin/bash
 
 # Exit on command errors and treat unset variables as an error
 set -eu
@@ -9,13 +9,24 @@ source /usr/share/yunohost/helpers
 # retrieve arguments
 app=bozon
 domain=$1
-path=${2%/}
+path=$2
 is_public=$3
 language=$4
 filesize=$5
 admin=$6
 password=$7
 
+
+# chech if / is present at start and not at end
+if [ "${path:0:1}" != "/" ] && [ ${#path} -gt 0 ]; then
+       # first char is not / && path not empty => add / at start
+       path="/$path"
+fi
+if [ "${path:${#path}-1}" == "/" ] && [ ${#path} -gt 1 ]; then
+       # last char is / && path is gretter than /
+       path="${path:0:${#path}-1}"
+fi
+
 # definie useful vars
 parent_path=/var/www
 final_path="$parent_path"/"$app"
@@ -93,15 +104,21 @@ sudo service nginx reload || true
 ynh_app_setting_set "$app" unprotected_uris "/"
 sudo yunohost app ssowatconf
 
+# add alias line in hosts file
+echo "127.0.0.1 $domain # $app" | sudo tee -a /etc/hosts
+
 # fill the superadmin creation form
 curl_path=$([ "$path" == "/" ] || echo "$path")
-curl https://"$domain""$curl_path"/ > /dev/null 2>&1
-curl -X POST \
+curl -k https://"$domain""$curl_path"/ > /dev/null 2>&1
+sleep 1 && curl -kX POST \
   --data-urlencode creation="1" \
   --data-urlencode login="$admin" \
   --data-urlencode pass="$password" \
   --data-urlencode confirm="$password" \
   https://"$domain""$curl_path"/index.php?p=login > /dev/null 2>&1
+  
+# remove alias line from hosts file
+sudo sed -i "/# $app/d" /etc/hosts
 
 # if app is private, remove url to SSOWat conf from skipped_uris
 if [ "$is_public" = "No" ];
@@ -109,7 +126,7 @@ then
     ynh_app_setting_delete "$app" unprotected_uris
     # escape magic chars in vars (lua magic chars are ().%+-*?[^$ according to https://www.lua.org/pil/20.2.html)
     domainluaregex=$(echo "$domain" | sed -e 's/[]().%+*?[^$[]/\%&/g' | sed -e 's/\-/\%&/g')
-    pathluaregex=$(echo "$path" | sed -e 's/[]().%+*?[^$[]/\%&/g' | sed -e 's/\-/\%&/g')
+    pathluaregex=$([ "$path" == "/" ] || echo "$path" | sed -e 's/[]().%+*?[^$[]/\%&/g' | sed -e 's/\-/\%&/g')
     regexList="${domainluaregex}${pathluaregex}/index.php%?f=.+$","${domainluaregex}${pathluaregex}/index.php%?zipfolder=.+$","${domainluaregex}${pathluaregex}/private/temp/.+%.zip$","${domainluaregex}${pathluaregex}/core/js/.*$","${domainluaregex}${pathluaregex}/templates/.*$"
     ynh_app_setting_set "$app" unprotected_regex "$regexList"
     sudo yunohost app ssowatconf
diff --git a/scripts/remove b/scripts/remove
index 4a86735..be0c226 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/bin/bash
 
 # Exit on command errors and treat unset variables as an error
 set -eu
diff --git a/scripts/restore b/scripts/restore
index 82c66eb..934096b 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/bin/bash
 
 # Exit on command errors and treat unset variables as an error
 set -eu
@@ -9,6 +9,7 @@ source /usr/share/yunohost/helpers
 #retrieve arguments
 app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get "$app" domain)
+path=$(ynh_app_setting_get "$app" path)
 
 # definie useful vars
 parent_path=/var/www
@@ -38,7 +39,8 @@ sudo yunohost app checkurl $domain$path -a $app \
  You should safely delete it before restoring this app."
 
 # add required packages
-ynh_package_install_from_equivs ../conf/${app}-deps.control || ynh_die "Unable to install dependencies"
+ynh_package_is_installed "php5-curl" || ynh_package_install "php5-curl"
+ynh_package_is_installed "php5-gd" || ynh_package_install "php5-gd"
 
 # restore sources & data
 sudo cp -a ./www "$final_path"
diff --git a/scripts/upgrade b/scripts/upgrade
index 2b935e5..78de32e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/bin/bash
 
 # Exit on command errors and treat unset variables as an error
 set -eu