diff --git a/conf/nginx.conf b/conf/nginx.conf
index f528515..a154b49 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,5 +1,5 @@
-location PATHTOCHANGE {
-       alias ALIASTOCHANGE;
+location __PATH__ {
+       alias __FINALPATH__/;
        if ($scheme = http) {
             rewrite ^ https://$server_name$request_uri? permanent;
        }
@@ -7,7 +7,7 @@ location PATHTOCHANGE {
        try_files $uri $uri/ /index.php;
        location ~ [^/]\.php(/|$) {
            fastcgi_split_path_info ^(.+?\.php)(/.*)$;
-           fastcgi_pass unix:/var/run/php5-fpm-YNH_APP_INSTANCE_NAME.sock;
+           fastcgi_pass unix:/var/run/php5-fpm-__NAME__.sock;
            include fastcgi_params;
            fastcgi_param REMOTE_USER $remote_user;
            fastcgi_param PATH_INFO $fastcgi_path_info;
@@ -18,6 +18,6 @@ location PATHTOCHANGE {
 	include conf.d/yunohost_panel.conf.inc;
 }
 
-location ~ ^PATHTOCHANGE/(data|config|\.ht|db_structure\.xml|README) {
+location ~ ^__PATH__/(data|config|\.ht|db_structure\.xml|README) {
        deny all;
 }
diff --git a/conf/php-fpm.conf b/conf/php-fpm.conf
index 0928fca..7bf8588 100644
--- a/conf/php-fpm.conf
+++ b/conf/php-fpm.conf
@@ -1,7 +1,7 @@
 ; Start a new pool named 'www'.
 ; the variable $pool can we used in any directive and will be replaced by the
 ; pool name ('www' here)
-[NAMETOCHANGE]
+[__NAMETOCHANGE__]
 
 ; Per pool prefix
 ; It only applies on the following directives:
@@ -24,7 +24,7 @@
 ;                            specific port;
 ;   '/path/to/unix/socket' - to listen on a unix socket.
 ; Note: This value is mandatory.
-listen = /var/run/php5-fpm-NAMETOCHANGE.sock
+listen = /var/run/php5-fpm-__NAMETOCHANGE__.sock
 
 ; Set listen(2) backlog. A value of '-1' means unlimited.
 ; Default Value: 128 (-1 on FreeBSD and OpenBSD)
@@ -170,7 +170,7 @@ request_slowlog_timeout = 5s
 ; The log file for slow requests
 ; Default Value: not set
 ; Note: slowlog is mandatory if request_slowlog_timeout is set
-slowlog = /var/log/nginx/NAMETOCHANGE.slow.log
+slowlog = /var/log/nginx/__NAMETOCHANGE__.slow.log
 
 ; Set open file descriptor rlimit.
 ; Default Value: system defined value
@@ -195,7 +195,7 @@ rlimit_core = 0
 ; Chdir to this directory at the start.
 ; Note: relative path can be used.
 ; Default Value: current directory or / when chroot
-chdir = /var/www/NAMETOCHANGE
+chdir = __FINALPATH__
 
 ; Redirect worker stdout and stderr into main error log. If not set, stdout and
 ; stderr will be redirected to /dev/null according to FastCGI specs.
diff --git a/scripts/backup b/scripts/backup
index 95a686f..297d56e 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -27,20 +27,35 @@ ynh_abort_if_errors
 
 # See comments in install script
 app=$YNH_APP_INSTANCE_NAME
+db_name=$(ynh_app_setting_get "$app" db_name)
+dbuser=$app
+dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
+domain=$(ynh_app_setting_get "$app" domain)
+
+#=================================================
+# STANDARD BACKUP STEPS
+#=================================================
+# BACKUP THE APP MAIN DIR
+#=================================================
 
 # Backup sources & data
 ynh_backup "/var/www/$app"
 
-# Dump the database
-dbname=$app
-dbuser=$app
-dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
-mysqldump -u "$dbuser" -p"$dbpass" --no-create-db "$dbname" > ./dump.sql
+#=================================================
+# BACKUP THE NGINX CONFIGURATION
+#=================================================
 
-# Copy NGINX configuration
-domain=$(ynh_app_setting_get "$app" domain)
-ynh_backup "/etc/nginx/conf.d/${domain}.d/${app}.conf" "nginx.conf"
+ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 
-# Copy PHP-FPM pool configuration
-ynh_backup "/etc/php5/fpm/pool.d/${app}.conf" "php-fpm.conf"
-ynh_backup "/etc/php5/fpm/conf.d/20-${app}.ini" "php-fpm.ini"
+#=================================================
+# BACKUP THE PHP-FPM CONFIGURATION
+#=================================================
+
+ynh_backup "/etc/php5/fpm/pool.d/$app.conf"
+ynh_backup "/etc/php5/fpm/conf.d/20-$app.ini"
+
+#=================================================
+# BACKUP THE MYSQL DATABASE
+#=================================================
+
+ynh_mysql_dump_db "$db_name" > db.sql
diff --git a/scripts/install b/scripts/install
index 1d07fb6..f3feffb 100644
--- a/scripts/install
+++ b/scripts/install
@@ -24,30 +24,56 @@ app=$YNH_APP_INSTANCE_NAME
 
 # Retrieve arguments
 domain=$YNH_APP_ARG_DOMAIN
-path=$YNH_APP_ARG_PATH
+path_url=$YNH_APP_ARG_PATH
 admin=$YNH_APP_ARG_ADMIN
 language=$YNH_APP_ARG_LANGUAGE
 is_public=$YNH_APP_ARG_IS_PUBLIC
-legal='no'
 
-# Check if admin exists
-ynh_user_exists $admin \
-    || ynh_die "Wrong admin"
+#=================================================
+# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
+#=================================================
 
+final_path=/var/www/$app
+test ! -e "$final_path" || ynh_die "This path already contains a folder"
+
+# Normalize the url path syntax
+path_url=$(ynh_normalize_url_path $path_url)
+
+# Check web path availability
+ynh_webpath_available $domain $path_url
+# Register (book) web path
+ynh_webpath_register $app $domain $path_url
+
+#=================================================
+# STORE SETTINGS FROM MANIFEST
+#=================================================
+
+ynh_app_setting_set "$app" domain "$domain"
+ynh_app_setting_set "$app" path_url "$path_url"
 ynh_app_setting_set "$app" admin "$admin"
 ynh_app_setting_set "$app" language "$language"
-ynh_app_setting_set "$app" legal "$legal"
 ynh_app_setting_set "$app" is_public "$is_public"
-# Deprecated
 ynh_app_setting_set "$app" public_site "$is_public"
 
-# Check domain/path availability
-yunohost app checkurl "${domain}${path}" -a "$app" \
-    || ynh_die "Path not available: ${domain}${path}"
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
 
-# Copy files to the right place
-final_path=/var/www/$app
-mkdir -p $final_path
+ynh_install_app_dependencies php-fpdf
+
+#=================================================
+# CREATE A MYSQL DATABASE
+#=================================================
+
+# Generate MySQL password and create database
+dbuser=$app
+db_name=$app
+dbpass=$(ynh_string_random 12)
+ynh_app_setting_set "$app" mysqlpwd "$dbpass"
+ynh_app_setting_set "$app" db_name "$db_name"
+ynh_mysql_create_db "$db_name" "$dbuser" "$dbpass"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -57,12 +83,25 @@ ynh_app_setting_set "$app" final_path "$final_path"
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source "$final_path"
 
-# Generate MySQL password and create database
-dbuser=$app
-dbname=$app
-dbpass=$(ynh_string_random 12)
-ynh_app_setting_set "$app" mysqlpwd "$dbpass"
-ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+
+# Create a dedicated nginx config
+ynh_add_nginx_config
+
+#=================================================
+# PHP-FPM CONFIGURATION
+#=================================================
+
+# Create a dedicated php-fpm config
+ynh_add_fpm_config
+
+#=================================================
+# SPECIFIC SETUP
+#=================================================
+# Create config.php
+#=================================================
 
 config="$final_path/app/inc/config.php"
 cp ../conf/config.php $config
@@ -70,54 +109,67 @@ cp ../conf/config.php $config
 # Change variables in configuration
 ynh_replace_string "__DBUSER__"    "$dbuser"   $config
 ynh_replace_string "__DBPWD__"     "$dbpass"   $config
-ynh_replace_string "__DBNAME__"    "$dbname"   $config
+ynh_replace_string "__DBNAME__"    "$db_name"   $config
 ynh_replace_string "__ADMINMAIL__" "$admin"    $config
 ynh_replace_string "__LANGUAGE__"  "$language" $config
 ynh_replace_string "__DOMAIN__"    "$domain"   $config
-ynh_replace_string "__PATH__"      "$path"     $config
+ynh_replace_string "__PATH__"      "$path_url" $config
+
+#=================================================
+# Replace logo image (default is FramaDate)
+#=================================================
 
 cp ../img/logo.png $final_path/images
 
+#=================================================
+# STORE THE CHECKSUM OF THE CONFIG FILE
+#=================================================
+
+# Calculate and store the config file checksum into the app settings
+ynh_store_file_checksum "$config"
+
+#=================================================
+# Create log file
+#=================================================
+
 # Create log file
 touch $final_path/admin/stdout.log
-chmod 700 $final_path/admin/stdout.log
+
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# SECURE FILES AND DIRECTORIES
+#=================================================
+
 # Set permissions
 chown -R www-data: $final_path
 
+#=================================================
+# Run database initilization
+#=================================================
+
 init_composer "www-data" "$final_path"
 
--u "www-data" php "$final_path/admin/migration.php"
+sudo -u "www-data" php "$final_path/admin/migration.php"
 
-# Modify PHP-FPM pool configuration and copy it to the pool directory
-ynh_replace_string "NAMETOCHANGE" "$app" ../conf/php-fpm.conf
-finalphpconf=/etc/php5/fpm/pool.d/$app.conf
-cp ../conf/php-fpm.conf $finalphpconf
-chown root: $finalphpconf
-chmod 644 $finalphpconf
+#=================================================
+# SETUP SSOWAT
+#=================================================
 
-finalphpini=/etc/php5/fpm/conf.d/20-$app.ini
-cp ../conf/php-fpm.ini $finalphpini
-chown root: $finalphpini
-chmod 644 $finalphpini
-
-# Reload Nginx and regenerate SSOwat conf
-service php5-fpm restart
-
-ynh_package_install php-fpdf
-yunohost app addaccess $app -u $admin
-
-# Modify Nginx configuration file and copy it to Nginx conf directory
-ynh_replace_string "PATHTOCHANGE" "$path" ../conf/nginx.conf
-ynh_replace_string "ALIASTOCHANGE" "$final_path" ../conf/nginx.conf
-ynh_replace_string "YNH_APP_INSTANCE_NAME" "$app" ../conf/nginx.conf
-cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf
-# Reload Nginx and regenerate SSOwat conf
-service nginx reload
 ynh_app_setting_set "$app" skipped_uris "/"
 if [[ $is_public -eq 0 ]];
 then
 	ynh_app_setting_set "$app" protected_uris "/admin,/index.php,/choix_date.php,/choix_autre.php,/infos_sondage.php,/scripts"
 else
-	ynh_app_setting_set "$app" protected_uris "/admin/index.php,/admin/logs_studs.txt,/scripts"
+	ynh_app_setting_set "$app" protected_uris "/admin/index.php,/admin/stdout.log,/scripts"
+	ynh_replace_string "	include conf.d/"  "	#include conf.d/"  "$finalnginxconf"
+
+	ynh_store_file_checksum "$finalnginxconf"
 fi
-yunohost app ssowatconf
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+
+systemctl reload nginx
diff --git a/scripts/remove b/scripts/remove
index 85160e1..ccefeb4 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -18,20 +18,40 @@ app=$YNH_APP_INSTANCE_NAME
 # Retrieve app settings
 domain=$(ynh_app_setting_get "$app" domain)
 
-# Remove sources
+#=================================================
+# STANDARD REMOVE
+#=================================================
+# REMOVE DEPENDENCIES
+#=================================================
+
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
+
+#=================================================
+# REMOVE THE MYSQL DATABASE
+#=================================================
+
+# Remove a database if it exists, along with the associated user
+db_name=$app
+dbuser=$app
+ynh_mysql_remove_db "$db_name" "$dbuser"
+
+#=================================================
+# REMOVE APP MAIN DIR
+#=================================================
+
 ynh_secure_remove "/var/www/$app"
 
-# Remove configuration files
-ynh_secure_remove /etc/nginx/conf.d/$domain.d/$app.conf
+#=================================================
+# REMOVE NGINX CONFIGURATION
+#=================================================
 
-ynh_secure_remove /etc/php5/fpm/pool.d/$app.conf
-ynh_secure_remove /etc/php5/fpm/conf.d/20-$app.ini
+# Remove the dedicated nginx config
+ynh_remove_nginx_config
 
-# Drop MySQL database and user
-dbname=$app
-dbuser=$app
-ynh_mysql_drop_db "$dbname" || true
-ynh_mysql_drop_user "$dbuser" || true
+#=================================================
+# REMOVE PHP-FPM CONFIGURATION
+#=================================================
 
-service nginx reload
-service php5-fpm reload
+# Remove the dedicated php-fpm config
+ynh_remove_fpm_config
diff --git a/scripts/restore b/scripts/restore
index 0d84478..d1a7772 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -30,77 +30,75 @@ app=$YNH_APP_INSTANCE_NAME
 
 # Retrieve old app settings
 domain=$(ynh_app_setting_get "$app" domain)
-path=$(ynh_app_setting_get "$app" path)
+path_url=$(ynh_app_setting_get "$app" path)
 admin=$(ynh_app_setting_get "$app" admin)
 is_public=$(ynh_app_setting_get "$app" is_public)
 public_site=$(ynh_app_setting_get "$app" public_site)
-legal=$(ynh_app_setting_get "$app" legal)
+db_name=$(ynh_app_setting_get "$app" db_name)
+dbuser=$app
+final_path=$(ynh_app_setting_get "$app" final_path)
 
-# Check domain/path availability
-yunohost app checkurl $domain$path -a $app \
-    || ynh_die "Path not available: ${domain}${path}"
+#=================================================
+# CHECK IF THE APP CAN BE RESTORED
+#================================================
+
+ynh_webpath_available $domain $path_url \
+	|| ynh_die "Path not available: ${domain}${path_url}"
+test ! -d $final_path \
+|| ynh_die "There is already a directory: $final_path"
+
+#=================================================
+# STANDARD RESTORATION STEPS
+#=================================================
+# RESTORE THE NGINX CONFIGURATION
+#=================================================
+
+ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# RESTORE THE APP MAIN DIR
+#=================================================
+
+ynh_restore_file "$final_path"
+
+#=================================================
+# RESTORE USER RIGHTS
+#=================================================
+
+# Set permissions
+chown -R www-data:www-data $final_path
 
 
-final_path=/var/www/$app
-if [ -d $final_path ]; then
-     ynh_die "There is already a directory: $final_path "
-fi
+#=================================================
+# RESTORE THE PHP-FPM CONFIGURATION
+#=================================================
 
-conf=/etc/nginx/conf.d/$domain.d/$app.conf
-if [ -f $conf ]; then
-    ynh_die "There is already a nginx conf file at this path: $conf "
-fi
+ynh_restore_file "/etc/php5/fpm/pool.d/$app.conf"
+ynh_restore_file "/etc/php5/fpm/conf.d/20-$app.ini"
 
-phpconf=/etc/php5/fpm/pool.d/$app.conf
-if [ -f $phpconf ]; then
-    ynh_die "There is already a php-fpm conf file at this path: $phpconf "
-fi
+#=================================================
+# RESTORE THE MYSQL DATABASE
+#=================================================
 
-phpini=/etc/php5/fpm/conf.d/20-$app.ini
-if [ -f $phpini ]; then
-    ynh_die "There is already a php-fpm ini file at this path: $phpini "
-fi
+dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
+ynh_mysql_setup_db "$db_name" "$db_name" "$db_pwd"
+ynh_mysql_connect_as "$db_name" "$db_pwd" "$db_name" < ./db.sql
+
+#=================================================
+# SPECIFIC RESTORATION
+#=================================================
+# REINSTALL DEPENDENCIES
+#=================================================
 
 # Dependences
 ynh_package_install php-fpdf
 
-# Restore sources & data
-ynh_restore_file "$final_path"
-
-dbname=$app
-dbuser=$app
-dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
-ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"
-ynh_mysql_connect_as "$dbuser" "$dbpass" "$dbname" < ./dump.sql
-
-# Set permissions
-chmod 700 $final_path/admin/logs_studs.txt
-chown -R www-data:www-data $final_path
-
-# Restore conf files
-cp -a ./nginx.conf $conf
-cp -a ./php-fpm.conf $phpconf
-chown root: $phpconf
-chmod 644 $phpconf
-cp -a ./php-fpm.ini $phpini
-chown root: $phpini
-chmod 644 $phpini
-
-# Set Administrator
-if ynh_user_exists $admin; then
-    yunohost app addaccess $app -u $admin
-fi
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# RELOAD NGINX AND PHP-FPM
+#=================================================
 
 # Reload Nginx
 service php5-fpm restart
 service nginx reload
-
-# Set ssowat config
-ynh_app_setting_set "$app" skipped_uris "/"
-if [[ $is_public -eq 0 ]];
-then
-	ynh_app_setting_set "$app" protected_uris "/admin,/index.php,/choix_date.php,/choix_autre.php,/infos_sondage.php,/scripts"
-else
-	ynh_app_setting_set "$app" protected_uris "/admin/index.php,/admin/logs_studs.txt,/scripts"
-fi
-yunohost app ssowatconf
diff --git a/scripts/upgrade b/scripts/upgrade
index 0291e69..7fe1086 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,102 +24,167 @@ app=$YNH_APP_INSTANCE_NAME
 
 # Retrieve arguments
 domain=$(ynh_app_setting_get "$app" domain)
-path=$(ynh_app_setting_get "$app" path)
+path_url=$(ynh_app_setting_get "$app" path)
 admin=$(ynh_app_setting_get "$app" admin)
 public_site=$(ynh_app_setting_get "$app" public_site)
-legal=$(ynh_app_setting_get "$app" legal)
-
 is_public=$(ynh_app_setting_get "$app" is_public)
-if [[ "$is_public" = "" ]];
-then
-    if [ $public_site = "No" ];
-    then
-        is_public=0
-    else
-        is_public=1
-    fi
-    ynh_app_setting_set "$app" is_public "$is_public"
+db_name=$(ynh_app_setting_get $app db_name)
+dbuser=$app
+dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
+final_path=(ynh_app_setting_get "$app" final_path)
+
+#=================================================
+# ENSURE DOWNWARD COMPATIBILITY
+#=================================================
+
+# Fix is_public as a boolean value
+if [ "$is_public" = "Yes" ]; then
+	ynh_app_setting_set $app is_public 1
+	is_public=1
+elif [ "$is_public" = "No" ]; then
+	ynh_app_setting_set $app is_public 0
+	is_public=0
 fi
 
+# If db_name doesn't exist, create it
+if [ -z $db_name ]; then
+	db_name=$(ynh_sanitize_dbid $app)
+	ynh_app_setting_set $app db_name $db_name
+fi
+
+# If final_path doesn't exist, create it
+if [ -z $final_path ]; then
+	final_path=/var/www/$app
+	ynh_app_setting_set $app final_path $final_path
+fi
+
+# make sure default language is set
 language=$(ynh_app_setting_get "$app" language)
 if [[ "$language" = "" ]];
 then
     language=$(grep LANGUE /var/www/$app/variables.php | grep -Po "'.*?'" | cut -d"'" -f2)
 fi
 
-# Check if admin is not null
-if [[ "$admin" = "" ||  "$language" = "" ]]; then
-    ynh_die "Unable to upgrade, please contact support"
-fi
+#=================================================
+# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
+#=================================================
 
-# Remove trailing "/" for next commands
-path=${path%/}
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	# restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
 
-root_pwd=$(cat /etc/yunohost/mysql)
-dbname=$app
-dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
-dbuser=$app
+#=================================================
+# CHECK THE PATH
+#=================================================
 
-### Execute potential SQL statements here
-# Copy files to the right place
-final_path=/var/www/$app
+# Normalize the URL path syntax
+path_url=$(ynh_normalize_url_path $path_url)
 
+# Check web path availability
+ynh_webpath_available $domain $path_url
+
+#=================================================
+# STANDARD UPGRADE STEPS
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 
-ynh_app_setting_set "$app" final_path "$final_path"
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source "$final_path"
 
-cp ../conf/constants.php.template $final_path/app/inc/constants.php
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+
+# Create a dedicated nginx config
+ynh_add_nginx_config
+
+#=================================================
+# PHP-FPM CONFIGURATION
+#=================================================
+
+# Create a dedicated php-fpm config
+ynh_add_fpm_config
+
+#=================================================
+# SPECIFIC UPGRADE
+#=================================================
+# Create config.php
+#=================================================
+
+config="$final_path/app/inc/config.php"
+cp ../conf/config.php $config
 
 # Change variables in configuration
-sed -i "s/yunouser/$dbuser/g" $final_path/app/inc/constants.php
-sed -i "s/yunopass/$dbpass/g" $final_path/app/inc/constants.php
-sed -i "s/yunobase/$dbname/g" $final_path/app/inc/constants.php
-sed -i "s/yunoadmin/$admin/g" $final_path/app/inc/constants.php
-sed -i "s/I18NTOCHANGE/$language/g" $final_path/app/inc/constants.php
-sed -i "s@yunourl@$domain$path@g" $final_path/app/inc/constants.php
-sed -i "s@yunodomain@$domain@g" $final_path/app/inc/constants.php
-sed -i "s@yunoabout@$legal@g" $final_path/app/inc/constants.php
+ynh_replace_string "__DBUSER__"    "$dbuser"   $config
+ynh_replace_string "__DBPWD__"     "$dbpass"   $config
+ynh_replace_string "__DBNAME__"    "$db_name"   $config
+ynh_replace_string "__ADMINMAIL__" "$admin"    $config
+ynh_replace_string "__LANGUAGE__"  "$language" $config
+ynh_replace_string "__DOMAIN__"    "$domain"   $config
+ynh_replace_string "__PATH__"      "$path_url"     $config
+
+#=================================================
+# Replace logo image (default is FramaDate)
+#=================================================
+
+cp ../img/logo.png "$final_path/images"
+
+#=================================================
+# STORE THE CHECKSUM OF THE CONFIG FILE
+#=================================================
+
+# Verify the checksum and backup the file if it's different
+ynh_backup_if_checksum_is_different "$config"
+# Recalculate and store the config file checksum into the app settings
+ynh_store_file_checksum "$config"
+
+#=================================================
+# Create log file
+#=================================================
 
 # Create log file
-cp ../conf/logs_studs.txt $final_path/admin/
-chmod 700 $final_path/admin/logs_studs.txt
+touch $final_path/admin/stdout.log
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# SECURE FILES AND DIRECTORIES
+#=================================================
 
 # Set permissions to roundcube directory
 chown -R www-data: $final_path
 
-# Modify Nginx configuration file and copy it to Nginx conf directory
-sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
-sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf
-sed -i "s@YNH_APP_INSTANCE_NAME@$app@g" ../conf/nginx.conf
+#=================================================
+# Run database initilization
+#=================================================
 
-if ynh_user_exists $admin; then
-    yunohost app addaccess $app -u $admin
-fi
-cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf
+init_composer "www-data" "$final_path"
 
-sed -i "s@NAMETOCHANGE@$app@g" ../conf/php-fpm.conf
-finalphpconf=/etc/php5/fpm/pool.d/$app.conf
-cp ../conf/php-fpm.conf $finalphpconf
-chown root: $finalphpconf
-chmod 644 $finalphpconf
+sudo -u "www-data" php "$final_path/admin/migration.php"
 
-finalphpini=/etc/php5/fpm/conf.d/20-$app.ini
-cp ../conf/php-fpm.ini $finalphpini
-chown root: $finalphpini
-chmod 644 $finalphpini
+#=================================================
+# SETUP SSOWAT
+#=================================================
 
-service php5-fpm restart
-# Reload Nginx
-service nginx reload
 ynh_app_setting_set "$app" skipped_uris "/"
 if [ $is_public -eq 0 ];
 then
-  ynh_app_setting_set "$app" protected_uris "/admin,/index.php,/choix_date.php,/choix_autre.php,/infos_sondage.php,/scripts"
+	ynh_app_setting_set "$app" protected_uris "/admin,/index.php,/choix_date.php,/choix_autre.php,/infos_sondage.php,/scripts"
 else
-  ynh_app_setting_set "$app" protected_uris "/admin/index.php,/admin/logs_studs.txt,/scripts"
+	ynh_app_setting_set "$app" protected_uris "/admin/index.php,/admin/stdout.log,/scripts"
+	ynh_replace_string "	include conf.d/"  "	#include conf.d/"  "$finalnginxconf"
+
+	ynh_store_file_checksum "$finalnginxconf"
 fi
-yunohost app ssowatconf
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+
+systemctl reload nginx