diff --git a/conf/nginx.conf b/conf/nginx.conf
index 71a8b38..f33312c 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,5 +1,5 @@
-location YNH_WWW_PATH {
-  alias YNH_WWW_ALIAS ;
+location __PATH__ {
+  alias __FINALPATH__;
   if ($scheme = http) {
     rewrite ^ https://$server_name$request_uri? permanent;
   }
@@ -7,7 +7,7 @@ location YNH_WWW_PATH {
   try_files $uri $uri/ index.php;
   location ~ [^/]\.php(/|$) {
     fastcgi_split_path_info ^(.+?\.php)(/.*)$;
-    fastcgi_pass unix:/var/run/php5-fpm.sock;
+    fastcgi_pass unix:/var/run/php5-fpm-__NAME__.sock;
     fastcgi_index index.php;
     include fastcgi_params;
     fastcgi_param REMOTE_USER     $remote_user;
@@ -16,5 +16,5 @@ location YNH_WWW_PATH {
   }
 
   # Include SSOWAT user panel.
-  include conf.d/yunohost_panel.conf.inc;
+  # include conf.d/yunohost_panel.conf.inc;
 }
diff --git a/manifest.json b/manifest.json
index 173f588..4236550 100644
--- a/manifest.json
+++ b/manifest.json
@@ -43,12 +43,12 @@
             },
             {
                 "name": "is_public",
+                "type": "boolean",
                 "ask": {
                     "en": "Is it a public Zerobin site ?",
                     "fr": "Est-ce un site public ?"
                 },
-                "choices": ["Yes", "No"],
-                "default": "Yes"
+                "default": "true"
             }
         ]
     }
diff --git a/scripts/_common b/scripts/_common
index 5753486..00d8195 100644
--- a/scripts/_common
+++ b/scripts/_common
@@ -22,7 +22,7 @@ ynh_store_checksum_config () {
   ynh_app_setting_set $app $config_file_checksum $(sudo md5sum "$1" | cut -d' ' -f1)
 }
 
-extract_source() {
+extract_source () {
   local DESTDIR=$1
     
   # retrieve and extract Roundcube tarball
@@ -36,6 +36,41 @@ extract_source() {
   sudo rm "$rc_tarball"
 }
 
+
+# Add config nginx
+ynh_nginx_config () {
+  finalnginxconf="/etc/nginx/conf.d/$domain.d/$app.conf"
+  ynh_compare_checksum_config "$finalnginxconf" 1
+  sudo cp ../conf/nginx.conf "$finalnginxconf"
+
+  # To avoid a break by set -u, use a void substitution ${var:-}. If the variable is not set, it's simply set with an empty variable.
+  # Substitute in a nginx config file only if the variable is not empty
+  if test -n "${path:-}"; then
+    ynh_substitute_char "__PATH__" "$path" "$finalnginxconf"
+  fi
+  if test -n "${domain:-}"; then
+    ynh_substitute_char "__DOMAIN__" "$domain" "$finalnginxconf"
+  fi
+  if test -n "${port:-}"; then
+    ynh_substitute_char "__PORT__" "$port" "$finalnginxconf"
+  fi
+  if test -n "${app:-}"; then
+    ynh_substitute_char "__NAME__" "$app" "$finalnginxconf"
+  fi
+  if test -n "${final_path:-}"; then
+    ynh_substitute_char "__FINALPATH__" "$final_path" "$finalnginxconf"
+  fi
+  ynh_store_checksum_config "$finalnginxconf"
+
+  sudo systemctl reload nginx
+}
+
+# Remove config nginx
+ynh_remove_nginx_config () {
+  ynh_secure_remove "/etc/nginx/conf.d/$domain.d/$app.conf"
+  sudo systemctl reload nginx
+}
+
 ynh_fpm_config () {
   finalphpconf="/etc/php5/fpm/pool.d/$app.conf"
   ynh_compare_checksum_config "$finalphpconf" 1
diff --git a/scripts/install b/scripts/install
index 86dd0ad..ced0633 100644
--- a/scripts/install
+++ b/scripts/install
@@ -42,20 +42,15 @@ sudo chown -R $app:root $final_path/{data,tmp}
 sudo chmod 700 $final_path/{data,tmp}
 
 # Modify Nginx configuration file and copy it to Nginx conf directory
-sed -i "s@YNH_WWW_PATH@$path@g" ../conf/nginx.conf
-sed -i "s@YNH_WWW_ALIAS@$final_path/@g" ../conf/nginx.conf
-nginxconf=/etc/nginx/conf.d/$domain.d/$app.conf
-sudo cp ../conf/nginx.conf $nginxconf
-sudo chown root: $nginxconf
-sudo chmod 600 $nginxconf
+ynh_nginx_config
 
 # Create the php-fpm pool config
 ynh_fpm_config
 
-# Set ssowat config
-if [ "$is_public" = "No" ];
-then
-	ynh_app_setting_delete $app skipped_uris
+# If app is public, add url to SSOWat conf as skipped_uris
+if [[ $is_public -eq 1 ]]; then
+  # unprotected_uris allows SSO credentials to be passed anyway.
+  ynh_app_setting_set "$app" unprotected_uris "/"
 fi
 
 sudo systemctl reload nginx
diff --git a/scripts/restore b/scripts/restore
index 6a981a9..052c513 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -61,9 +61,13 @@ sudo chown -R root:root $final_path
 sudo chown -R www-data:root $final_path/{data,tmp}
 sudo chmod -R 700 $final_path/{data,tmp}
 
-# Restore configuration files
+# Restore nginx configuration files
 sudo cp -a ./conf/nginx.conf "${nginx_conf}"
 
+# Restore php-fpm configuration files
+sudo cp -a ./conf/php-fpm.conf "${phpfpm_conf}"
+sudo cp -a ./conf/php-fpm.ini "${phpfpm_ini}"
+
 # Set ssowat config
 if [ "$is_public" = "No" ];
 then
diff --git a/scripts/upgrade b/scripts/upgrade
index 6d146b7..755853e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -57,21 +57,18 @@ sudo chown -R $app:root $final_path/{data,tmp}
 sudo chmod 700 $final_path/{data,tmp}
 
 # Modify Nginx configuration file and copy it to Nginx conf directory
-sed -i "s@YNH_WWW_PATH@$path@g" ../conf/nginx.conf
-sed -i "s@YNH_WWW_ALIAS@$final_path/@g" ../conf/nginx.conf
-nginxconf=/etc/nginx/conf.d/$domain.d/$app.conf
-sudo cp ../conf/nginx.conf $nginxconf
-sudo chown root: $nginxconf
-sudo chmod 600 $nginxconf
+ynh_nginx_config
 
 # Create the php-fpm pool config
 ynh_fpm_config
 
 # Set ssowat config
-ynh_app_setting_set "$app" is_public "$is_public"
-if [ "$is_public" = "Yes" ];
-then
-  ynh_app_setting_set "$app" unprotected_uris "/"
+if [ "$is_public" = "Yes" ]; then
+	ynh_app_setting_set $app is_public 1 # Fixe is_public en booléen
+	is_public=1
+else
+	ynh_app_setting_set $app is_public 0
+ 	is_public=0
 fi
 
 # Reload Nginx