diff --git a/scripts/install b/scripts/install
index 8385c72..6721af2 100644
--- a/scripts/install
+++ b/scripts/install
@@ -1,238 +1,194 @@
 #!/bin/bash
 
-app=phpBB
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
 
-# Retrieve argument
-domain=$1
-path=$2
-is_public=$3
-admin_login=$4
-admin_pwd=$5
-admin_email=$6
-lang=$7
-curl_inst=$8
+source _common.sh
+source /usr/share/yunohost/helpers
 
-#sudo yunohost app setting $app domain -v $domain
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
 
-# Removal of trailing /
-path=${path%/}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
 
-# Check domain/path availability
-sudo yunohost app checkurl $domain$path -a $app
-if [[ ! $? -eq 0 ]]; then
-    exit 1
-fi
+#=================================================
+# RETRIEVE ARGUMENTS FROM THE MANIFEST
+#=================================================
 
-db_user=$app
-#db_pwd=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{24\}\).*/\1/p')
-db_pwd=$admin_pwd
+domain=$YNH_APP_ARG_DOMAIN
+path_url=$YNH_APP_ARG_PATH
+admin=$YNH_APP_ARG_ADMIN
+is_public=$YNH_APP_ARG_IS_PUBLIC
+language=$YNH_APP_ARG_LANGUAGE
 
-# Initialize database and store mysql password for upgrade
-sudo yunohost app initdb $db_user -p $db_pwd
-sudo yunohost app setting $app mysqlpwd -v $db_pwd
-sudo yunohost app setting $app admin_login -v $admin_login
-sudo yunohost app setting $app admin_pwd -v $admin_pwd
-sudo yunohost app setting $app admin_email -v $admin_email
+# This is a multi-instance app, meaning it can be installed several times independently
+# The id of the app as stated in the manifest is available as $YNH_APP_ID
+# The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2", ...)
+# The app instance name is available as $YNH_APP_INSTANCE_NAME
+#    - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
+#    - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
+#    - ynhexample__{N} for the subsequent installations, with N=3,4, ...
+# The app instance name is probably what you are interested the most, since this is
+# guaranteed to be unique. This is a good unique identifier to define installation path,
+# db names, ...
+app=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
+#=================================================
 
-# Copy files to the right place
 final_path=/var/www/$app
-sudo rm -rf $final_path
-sudo mkdir -p $final_path
-sudo cp -a ../sources/phpBB/* $final_path/
+test ! -e "$final_path" || ynh_die "This path already contains a folder"
 
-# We add french language pack
-if [ "$lang" = "fr" ];
-	then sudo cp -a ../sources/french_language/* $final_path/
+# Normalize the url path syntax
+path_url=$(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 $path_url
+ynh_app_setting_set $app admin $admin
+ynh_app_setting_set $app is_public $is_public
+ynh_app_setting_set $app language $language
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+
+
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+
+ynh_install_app_dependencies deb1 deb2
+
+#=================================================
+# CREATE A MYSQL DATABASE
+#=================================================
+# If your app uses a MySQL database, you can use these lines to bootstrap
+# a database, an associated user and save the password in app settings
+
+db_name=$(ynh_sanitize_dbid $app)
+ynh_app_setting_set $app db_name $db_name
+ynh_mysql_setup_db $db_name $db_name
+
+#=================================================
+# 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"
+
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+
+# Create a dedicated nginx config
+ynh_add_nginx_config
+
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+
+# Create a system user
+ynh_system_user_create $app
+
+#=================================================
+# PHP-FPM CONFIGURATION
+#=================================================
+
+# Create a dedicated php-fpm config
+ynh_add_fpm_config
+
+#=================================================
+# SPECIFIC SETUP
+#=================================================
+# ...
+#=================================================
+
+#=================================================
+# SETUP APPLICATION WITH CURL
+#=================================================
+
+# Set right permissions for curl install
+chown -R $app: $final_path
+
+# Set the app as temporarily public for curl call
+ynh_app_setting_set $app skipped_uris "/"
+# Reload SSOwat config
+yunohost app ssowatconf
+
+# Reload Nginx
+systemctl reload nginx
+
+# Installation with curl
+ynh_local_curl "/INSTALL_PATH" "key1=value1" "key2=value2" "key3=value3"
+
+#=================================================
+# MODIFY A CONFIG FILE
+#=================================================
+
+ynh_replace_string "match_string" "replace_string" "$final_path/CONFIG_FILE"
+
+#=================================================
+# STORE THE CHECKSUM OF THE CONFIG FILE
+#=================================================
+
+# Calculate and store the config file checksum into the app settings
+ynh_store_file_checksum "$final_path/CONFIG_FILE"
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# SECURE FILES AND DIRECTORIES
+#=================================================
+
+# Set permissions to app files
+chown -R root: $final_path
+
+#=================================================
+# SETUP LOGROTATE
+#=================================================
+
+# Use logrotate to manage application logfile(s)
+ynh_use_logrotate
+
+#=================================================
+# ADVERTISE SERVICE IN ADMIN PANEL
+#=================================================
+
+yunohost service add NAME_INIT.D --log "/var/log/FILE.log"
+
+#=================================================
+# SETUP SSOWAT
+#=================================================
+
+if [ $is_public -eq 0 ]
+then	# Remove the public access
+	ynh_app_setting_delete $app skipped_uris
 fi
-
-# Set permissions to working directory
-sudo chown -R www-data:www-data $final_path
-
-# Special adjustements for phpBB BEFORE installation (according to documentation)
-sudo chmod 666 $final_path/config.php
-sudo chmod 777 $final_path/store
-sudo chmod 777 $final_path/cache
-sudo chmod 777 $final_path/files
-sudo chmod 777 $final_path/images/avatars/upload
-
-# phpBB requires imagemagick to manipulate pictures
-sudo apt-get update -qq > /dev/null 2>&1
-sudo apt-get install -y imagemagick > /dev/null 2>&1
-
-# Modify Nginx configuration file and copy it to Nginx conf directory
-sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
-sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf
-sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf
-
-sed -i "s@NAMETOCHANGE@$app@g" ../conf/php-fpm.conf
-finalphpconf=/etc/php5/fpm/pool.d/$domain\_$app.conf
-sudo cp ../conf/php-fpm.conf $finalphpconf
-sudo chown root: $finalphpconf
-sudo chmod 644 $finalphpconf
-
-
 # Make app public if necessary
-sudo yunohost app setting $app is_public -v "$is_public"
-if [ "$is_public" = "Yes" ];
+if [ $is_public -eq 1 ]
 then
-    sudo yunohost app setting $app skipped_uris -v "/"
+	# unprotected_uris allows SSO credentials to be passed anyway.
+	ynh_app_setting_set $app unprotected_uris "/"
 fi
 
+#=================================================
+# RELOAD NGINX
+#=================================================
 
-# Reload Nginx and regenerate SSOwat conf
-sudo service php5-fpm reload
-sudo service nginx reload
-sudo yunohost app ssowatconf
-
-# Use cURL for automatic configuration [BROKEN - TO BE FIXED]
-if [ "$curl_inst" = "Yes" ];
-then
-
-###### BEGINNING OF IF ########################
-
-# Configuration of phpBB via cURL
-
-#echo -e "\n 1 - Requirements";
-sudo curl -kL -H "Host: $domain" -X POST "https://127.0.0.1$path/install/index.php?mode=install&sub=requirements" \
---data "img_imagick=/usr/bin" \
---data "submit=Start install" \
-> /dev/null 2>&1
-
-#echo -e "\n 2 - database";
-sudo curl -kL -H "Host: $domain" -X POST "https://127.0.0.1$path/install/index.php?mode=install&sub=database" \
---data "img_imagick=/usr/bin" \
---data "language=en" \
---data "testdb=false" \
---data "dbms=mysqli" \
---data "dbhost=localhost" \
---data "dbport=" \
---data "dbname=$db_user" \
---data "dbuser=$db_user" \
---data "table_prefix=phpbb_" \
---data "dbpasswd=$db_pwd" \
---data "submit=Proceed to next step" \
-> /dev/null 2>&1
-
-#echo -e "\n 3 - admin";
-sudo curl -kL -H "Host: $domain" -X POST "https://127.0.0.1$path/install/index.php?mode=install&sub=administrator" \
---data "img_imagick=/usr/bin" \
---data "default_lang=$lang" \
---data "check=false" \
---data "admin_name=$admin_login" \
---data "admin_pass1=$admin_pwd" \
---data "admin_pass2=$admin_pwd" \
---data "board_email=$admin_email" \
---data "img_imagick=/usr/bin" \
---data "language=en" \
---data "dbms=mysqli" \
---data "dbhost=localhost" \
---data "dbport=" \
---data "dbname=$db_user" \
---data "dbuser=$db_user" \
---data "dbpasswd=$db_pwd" \
---data "table_prefix=phpbb_" \
---data "submit=Proceed to next step" \
-> /dev/null 2>&1
-
-#echo -e "\n 4 - config_file";
-sudo curl -kL -H "Host: $domain" -X POST "https://127.0.0.1$path/install/index.php?mode=install&sub=config_file" \
---data "img_imagick=/usr/bin" \
---data "language=en" \
---data "dbms=mysqli" \
---data "dbhost=localhost" \
---data "dbport=" \
---data "dbname=$db_user" \
---data "dbuser=$db_user" \
---data "dbpasswd=$db_pwd" \
---data "table_prefix=phpbb_" \
---data "default_lang=$lang" \
---data "admin_name=$admin_login" \
---data "admin_pass1=$admin_pwd" \
---data "admin_pass2=$admin_pwd" \
---data "board_email=$admin_email" \
---data "submit=Proceed to next step" \
-> /dev/null 2>&1
-
-#echo -e "\n 5 - advanced";
-sudo curl -kL -H "Host: $domain" -X POST "https://127.0.0.1$path/install/index.php?mode=install&sub=advanced" \
---data "email_enable=1" \
---data "smtp_delivery=0" \
---data "smtp_host=" \
---data "smtp_auth=PLAIN" \
---data "smtp_user=" \
---data "smtp_pass=" \
---data "cookie_secure=1" \
---data "force_server_vars=0" \
---data "server_protocol=https://" \
---data "server_name=$domain" \
---data "server_port=443" \
---data "script_path=$path" \
---data "img_imagick=/usr/bin" \
---data "language=en" \
---data "dbms=mysqli" \
---data "dbhost=localhost" \
---data "dbport=" \
---data "dbname=$db_user" \
---data "dbuser=$db_user" \
---data "dbpasswd=$db_pwd" \
---data "table_prefix=phpbb_" \
---data "default_lang=$lang" \
---data "admin_name=$admin_login" \
---data "admin_pass1=$admin_pwd" \
---data "admin_pass2=$admin_pwd" \
---data "board_email=$admin_email" \
---data "submit=Proceed to next step" \
-> /dev/null 2>&1
-
-#echo -e "\n 6 - create database";
-sudo curl -kL -H "Host: $domain" -X POST "https://127.0.0.1$path/install/index.php?mode=install&sub=create_table" \
---data "language=en" \
---data "dbms=mysqli" \
---data "dbhost=localhost" \
---data "dbport=" \
---data "dbuser=$db_user" \
---data "dbpasswd=$db_pwd" \
---data "dbname=$db_user" \
---data "table_prefix=phpbb_" \
---data "default_lang=$lang" \
---data "admin_name=$admin_login" \
---data "admin_pass1=$admin_pwd" \
---data "admin_pass2=$admin_pwd" \
---data "board_email=$admin_email" \
---data "img_imagick=/usr/bin" \
---data "ftp_path=" \
---data "ftp_user=" \
---data "ftp_pass=" \
---data "email_enable=1" \
---data "smtp_delivery=0" \
---data "smtp_host=" \
---data "smtp_auth=PLAIN" \
---data "smtp_user=" \
---data "smtp_pass=" \
---data "cookie_secure=1" \
---data "force_server_vars=0" \
---data "server_protocol=https://" \
---data "server_name=$domain" \
---data "server_port=443" \
---data "script_path=$path" \
---data "submit=Proceed to next step" \
-> /dev/null 2>&1
-
-# We need to rename the install folder
-sudo mv $final_path/install $final_path/install_old
-
-###### END OF IF ########################
-
-
-fi;
-
-
-
-
-# Special adjustements of phpBB AFTER installation (according to documentation)
-sudo chmod 644 $final_path/config.php
-
-sudo chmod 777 $final_path/store
-sudo chmod 777 $final_path/cache
-sudo chmod 777 $final_path/files
-sudo chmod 777 $final_path/images/avatars/upload
+systemctl reload nginx