diff --git a/conf/generate_password_hash.py b/conf/generate_password_hash.py
new file mode 100644
index 0000000..6d45018
--- /dev/null
+++ b/conf/generate_password_hash.py
@@ -0,0 +1,9 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Permet de générer le hash pour le password
+import sys
+path=sys.argv[2]
+sys.path.append(path)
+from werkzeug.security import generate_password_hash
+password=sys.argv[1]
+print generate_password_hash(password)
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 908219e..89aac79 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,5 +1,5 @@
 location __PATH__ {
-
+  client_max_body_size 20M;
   # Force usage of https
   if ($scheme = http) {
     rewrite ^ https://$server_name$request_uri? permanent;
diff --git a/conf/systemd.service b/conf/systemd.service
index 23b43e6..2fbfa40 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -1,5 +1,5 @@
 [Unit]
-Description=calibreweb
+Description=__APP__
 After=network.target
 
 [Service]
@@ -7,7 +7,7 @@ Type=simple
 User=__APP__
 Group=__APP__
 WorkingDirectory=__FINALPATH__/
-ExecStart=/usr/bin/python __FINALPATH__/cps.py
+ExecStart=/bin/sh -c '/usr/bin/python __FINALPATH__/cps.py >> /var/log/__APP__/__APP__.log 2>&1'
 
 [Install]
 WantedBy=multi-user.target
diff --git a/manifest.json b/manifest.json
index ee799fa..8f8d653 100644
--- a/manifest.json
+++ b/manifest.json
@@ -41,6 +41,18 @@
                 "example": "/calibre",
                 "default": "/calibre"
             },
+	    {
+                "name": "calibre_path",
+                "ask": {
+                    "en": "Select the folder containing the library",
+                    "fr": "Choisissez le répertoire contenant la bibliothèque"
+                },
+                "help": {
+                    "en": "This folder should have read write access. It will be created if it does not exist.",
+                    "fr": "Le répertoire doit être accesible en lecture écriture, il sera créé s'il n'existe pas.."
+                },
+                "example": "/home/johndoe/calibre"
+            },
             {
                 "name": "admin",
                 "type": "user",
@@ -50,6 +62,15 @@
                 },
                 "example": "johndoe"
             },
+            {
+                "name": "language",
+                "ask": {
+                    "en": "Select a default language (you may change it later in the app",
+                    "fr": "Choisissez une langue par défaur (vous pourre la changer ultérieurement dans l'application"
+                },
+		"choices": [ "fr", "en", "es", "de"],
+                "default": "fr"
+            },
             {
                 "name": "is_public",
                 "type": "boolean",
diff --git a/scripts/_common.sh b/scripts/_common.sh
index bb04a03..18e1f75 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,13 +1,4 @@
 #!/bin/bash
 
-# ============= FUTURE YUNOHOST HELPER =============
-# Delete a file checksum from the app settings
-#
-# $app should be defined when calling this helper
-#
-# usage: ynh_remove_file_checksum file
-# | arg: file - The file for which the checksum will be deleted
-ynh_delete_file_checksum () {
-	local checksum_setting_name=checksum_${1//[\/ ]/_}	# Replace all '/' and ' ' by '_'
-	ynh_app_setting_delete $app $checksum_setting_name
-}
\ No newline at end of file
+pkg_dependencies="sqlite3"
+
diff --git a/scripts/install b/scripts/install
index 6e8b3aa..7ef6a73 100755
--- a/scripts/install
+++ b/scripts/install
@@ -27,6 +27,8 @@ is_public=$YNH_APP_ARG_IS_PUBLIC
 #language=$YNH_APP_ARG_LANGUAGE
 #password=$YNH_APP_ARG_PASSWORD
 app=$YNH_APP_INSTANCE_NAME
+calibre_dir=$3
+lang=$5
 
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
@@ -60,11 +62,6 @@ ynh_app_setting_set $app is_public $is_public
 # FIND AND OPEN A PORT
 #=================================================
 
-### Use these lines if you have to open a port for the application
-### `ynh_find_port` will find the first available port starting from the given port.
-### If you're not using these lines:
-###		- Remove the section "CLOSE A PORT" in the remove script
-
 # Find a free port
 port=$(ynh_find_port 8083)
 # Open this port
@@ -75,10 +72,6 @@ ynh_app_setting_set $app port $port
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 
-### `ynh_setup_source` is used to install an app from a zip or tar.gz file,
-### downloaded from an upstream source, like a git repository.
-### `ynh_setup_source` use the file conf/app.src
-
 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"
@@ -88,24 +81,14 @@ ynh_setup_source "$final_path"
 # INSTALL DEPENDENCIES
 #=================================================
 
-### `ynh_install_app_dependencies` allows you to add any "apt" dependencies to the package.
-### Those deb packages will be installed as dependencies of this package.
-### If you're not using this helper:
-###		- Remove the section "REMOVE DEPENDENCIES" in the remove script
-###		- As well as the section "REINSTALL DEPENDENCIES" in the restore script
-###		- And the section "UPGRADE DEPENDENCIES" in the upgrade script
-
-#ynh_install_app_dependencies deb1 deb2
+ynh_install_app_dependencies $pkg_dependencies
 pip install --target $final_path/vendor -r $final_path/requirements.txt
 
 
-
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
 
-### `ynh_add_nginx_config` will use the file conf/nginx.conf
-
 # Create a dedicated nginx config
 ynh_add_nginx_config
 
@@ -120,48 +103,21 @@ ynh_system_user_create $app
 #=================================================
 # SPECIFIC SETUP
 #=================================================
-# ...
+# SET SQLITE DATABASE SETTINGS
 #=================================================
+sqlite3 $final_path/app.db "UPDATE settings SET config_calibre_dir=\"$calibre_path\" WHERE ID=1"
+sqlite3 $final_path/app.db "UPDATE settings SET config_port=$port WHERE ID=1"
+sqlite3 $final_path/app.db "UPDATE user SET nickname=\"$admin\" WHERE ID=1"
+sqlite3 $final_path/app.db "UPDATE user SET default_language=\"$lang\" WHERE ID=1"
+sqlite3 $final_path/app.db "UPDATE user SET password='$(python ../conf/generate_password_hash.py $password $final_path/vendor)' WHERE ID=1"
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
 
-### `ynh_systemd_config` is used to configure a systemd script for an app.
-### It can be used for apps that use sysvinit (with adaptation) or systemd.
-### Have a look at the app to be sure this app needs a systemd script.
-### `ynh_systemd_config` will use the file conf/systemd.service
-### If you're not using these lines:
-###		- You can remove those files in conf/.
-###		- Remove the section "BACKUP SYSTEMD" in the backup script
-###		- Remove also the section "STOP AND REMOVE SERVICE" in the remove script
-###		- As well as the section "RESTORE SYSTEMD" in the restore script
-###		- And the section "SETUP SYSTEMD" in the upgrade script
-
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-
-#=================================================
-# MODIFY A CONFIG FILE
-#=================================================
-
-### `ynh_replace_string` is used to replace a string in a file.
-### (It's compatible with sed regular expressions syntax)
-
-#ynh_replace_string "match_string" "replace_string" "$final_path/CONFIG_FILE"
-
-#=================================================
-# STORE THE CONFIG FILE CHECKSUM
-#=================================================
-
-### `ynh_store_file_checksum` is used to store the checksum of a file.
-### That way, during the upgrade script, by using `ynh_backup_if_checksum_is_different`,
-### you can make a backup of this file before modifying it again if the admin had modified it.
-
-# Calculate and store the config file checksum into the app settings
-#ynh_store_file_checksum "$final_path/CONFIG_FILE"
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
@@ -173,36 +129,23 @@ ynh_add_systemd_config
 ### that really need such authorization.
 
 # Set permissions to app files
-chown -R root: $final_path
+chown -R $app:$app $final_path
+
 
 #=================================================
 # SETUP LOGROTATE
 #=================================================
 
-### `ynh_use_logrotate` is used to configure a logrotate configuration for the logs of this app.
-### Use this helper only if there is effectively a log file for this app.
-### If you're not using this helper:
-###		- Remove the section "BACKUP LOGROTATE" in the backup script
-###		- Remove also the section "REMOVE LOGROTATE CONFIGURATION" in the remove script
-###		- As well as the section "RESTORE THE LOGROTATE CONFIGURATION" in the restore script
-###		- And the section "SETUP LOGROTATE" in the upgrade script
-
 # Use logrotate to manage application logfile(s)
 ynh_use_logrotate
+chown -R $app:$app /var/log/$app
+
 
 #=================================================
 # ADVERTISE SERVICE IN ADMIN PANEL
 #=================================================
 
-### `yunohost service add` is a CLI yunohost command to add a service in the admin panel.
-### You'll find the service in the 'services' section of YunoHost admin panel.
-### This CLI command would be useless if the app does not have any services (systemd or sysvinit)
-### If you're not using these lines:
-###		- You can remove these files in conf/.
-###		- Remove the section "REMOVE SERVICE FROM ADMIN PANEL" in the remove script
-###		- As well as the section ADVERTISE SERVICE IN ADMIN PANEL" in the restore script
-
-#yunohost service add NAME_INIT.D --log "/var/log/FILE.log"
+yunohost service add $app --log "/var/log/$app/$app.log"
 
 #=================================================
 # SETUP SSOWAT
@@ -220,3 +163,4 @@ fi
 #=================================================
 
 systemctl reload nginx
+systemctl start $app
\ No newline at end of file