diff --git a/LICENSE b/LICENSE
index 7d1e40b..2fbf60f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,21 @@
-File containing the license of your package.
+MIT License
 
-More information here:
-https://yunohost.org/packaging_apps_guidelines#yep-1-3
+Copyright (c) 2022 YunoHost-Apps
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
index 06579aa..1d22369 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ a public page.
 
 **Shipped version:** 1.3.3~ynh1
 
+
 **Demo:** https://app.tandoor.dev/accounts/login/?demo
 
 ## Screenshots
@@ -54,19 +55,6 @@ a public page.
 
 ## Disclaimers / important information
 
-* Any known limitations, constrains or stuff not working, such as (but not limited to):
-    * requiring a full dedicated domain ?
-    * architectures not supported ?
-    * not-working single-sign on or LDAP integration ?
-    * the app requires an important amount of RAM / disk / .. to install or to work properly
-    * etc...
-
-* Other infos that people should be aware of, such as:
-    * any specific step to perform after installing (such as manually finishing the install, specific admin credentials, ...)
-    * how to configure / administrate the application if it ain't obvious
-    * upgrade process / specificities / things to be aware of ?
-    * security considerations ?
-
 * Known limitations:
     * Requires a full dedicated domain for now
 
diff --git a/README_fr.md b/README_fr.md
index 69bf7a0..9637611 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -44,7 +44,8 @@ a public page.
 - 📥️ **Import your collection** from many other [recipe managers](https://docs.tandoor.dev/features/import_export/)
 - ➕ Many more like recipe scaling, image compression, printing views and supermarkets
 
-**Version incluse :** 1.3.3~ynh1
+**Version incluse :** 1.3.3~ynh1
+
 
 **Démo :** https://app.tandoor.dev/accounts/login/?demo
 
@@ -54,19 +55,6 @@ a public page.
 
 ## Avertissements / informations importantes
 
-* Any known limitations, constrains or stuff not working, such as (but not limited to):
-    * requiring a full dedicated domain ?
-    * architectures not supported ?
-    * not-working single-sign on or LDAP integration ?
-    * the app requires an important amount of RAM / disk / .. to install or to work properly
-    * etc...
-
-* Other infos that people should be aware of, such as:
-    * any specific step to perform after installing (such as manually finishing the install, specific admin credentials, ...)
-    * how to configure / administrate the application if it ain't obvious
-    * upgrade process / specificities / things to be aware of ?
-    * security considerations ?
-
 * Known limitations:
     * Requires a full dedicated domain for now
 
diff --git a/check_process b/check_process
index f41c4c9..6cd9557 100644
--- a/check_process
+++ b/check_process
@@ -1,30 +1,20 @@
-# See here for more information
-# https://github.com/YunoHost/package_check#syntax-check_process-file
-
-# Move this file from check_process.default to check_process when you have filled it.
-
 ;; Test complet
 	; Manifest
 		domain="domain.tld"
-		path="/path"
 		is_public=1
-		language="fr"
-		admin="john"
-		password="1Strong-Password"
 		port="666"
 	; Checks
 		pkg_linter=1
-		setup_sub_dir=1
+		setup_sub_dir=0
 		setup_root=1
 		setup_nourl=0
-		setup_private=1
+		setup_private=0
 		setup_public=1
 		upgrade=1
-		upgrade=1	from_commit=CommitHash
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
-		change_url=1
+		change_url=0
 ;;; Options
 Email=
 Notification=none
diff --git a/conf/systemd.service b/conf/systemd.service
index 92202ee..fd3ab1d 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -1,5 +1,5 @@
 [Unit]
-Description=gunicorn daemon for recipes
+Description=Tandoor, smart recipe mangement
 After=network.target
 
 [Service]
@@ -7,10 +7,12 @@ Type=simple
 Restart=always
 RestartSec=3
 User=__APP__
-Group=www-data
+Group=__APP__
 WorkingDirectory=__FINALPATH__
 EnvironmentFile=__FINALPATH__/.env
-ExecStart=__FINALPATH__/venv/bin/gunicorn --error-logfile /tmp/gunicorn_err.log --log-level debug --capture-output --bind 127.0.0.1:__PORT__ recipes.wsgi:application
+ExecStart=__FINALPATH__/venv/bin/gunicorn --bind 127.0.0.1:__PORT__ recipes.wsgi:application
+Restart=on-failure
+RestartSec=10
 
 [Install]
-WantedBy=multi-user.target
\ No newline at end of file
+WantedBy=multi-user.target
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index baa5263..421957b 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -1,16 +1,3 @@
-* Any known limitations, constrains or stuff not working, such as (but not limited to):
-    * requiring a full dedicated domain ?
-    * architectures not supported ?
-    * not-working single-sign on or LDAP integration ?
-    * the app requires an important amount of RAM / disk / .. to install or to work properly
-    * etc...
-
-* Other infos that people should be aware of, such as:
-    * any specific step to perform after installing (such as manually finishing the install, specific admin credentials, ...)
-    * how to configure / administrate the application if it ain't obvious
-    * upgrade process / specificities / things to be aware of ?
-    * security considerations ?
-
 * Known limitations:
     * Requires a full dedicated domain for now
 
diff --git a/manifest.json b/manifest.json
index d84967b..9fc40c4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -16,7 +16,7 @@
         "userdoc": "https://docs.tandoor.dev",
         "code": "https://github.com/TandoorRecipes/recipes"
     },
-    "license": "free",
+    "license": "MIT",
     "maintainer": {
         "name": "Navan Chauhan",
         "email": "tandoor@navan.email"
@@ -37,7 +37,10 @@
             {
                 "name": "is_public",
                 "type": "boolean",
-                "default": true
+                "default": false,
+                "help": {
+                    "en": "Should the login be exposed to public?"
+                }
             }
         ]
     }
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 01f8228..81163c5 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,14 +5,99 @@
 #=================================================
 
 # dependencies used by the app (must be on a single line)
-pkg_dependencies="git curl python3 python3-pip python3-venv libpq-dev postgresql libsasl2-dev python3-dev libldap2-dev libssl-dev"
+pkg_dependencies="git curl python3 python3-pip python3-venv libpq-dev postgresql libsasl2-dev python3-dev libldap2-dev libssl-dev libffi-dev autoconf build-essential"
 
 nodejs_version=16
+py_required_version=3.9.2
 
 #=================================================
 # PERSONAL HELPERS
 #=================================================
 
+# Install specific python version
+# usage: myynh_install_python --python="3.8.6"
+# | arg: -p, --python=    - the python version to install
+myynh_install_python () {
+	# Declare an array to define the options of this helper.
+	local legacy_args=u
+	local -A args_array=( [p]=python= )
+	local python
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+	
+	# Check python version from APT
+	local py_apt_version=$(python3 --version | cut -d ' ' -f 2)
+	
+	# Check existing built version of python in /usr/local/bin
+	if [ -e "/usr/local/bin/python${python:0:3}" ]
+	then
+		local py_built_version=$(/usr/local/bin/python${python:0:3} --version \
+			| cut -d ' ' -f 2)
+	else
+		local py_built_version=0
+	fi
+	
+	# Compare version
+	if $(dpkg --compare-versions $py_apt_version ge $python)
+	then
+		# APT >= Required
+		ynh_print_info --message="Using provided python3..."
+		
+		py_app_version="python3"
+		
+	else
+		# Either python already built or to build 
+		if $(dpkg --compare-versions $py_built_version ge $python)
+		then
+			# Built >= Required
+			ynh_print_info --message="Using already used python3 built version..."
+			
+			py_app_version="/usr/local/bin/python${py_built_version:0:3}"
+			
+		else
+			ynh_print_info --message="Installing additional dependencies to build python..."
+			
+			pkg_dependencies="${pkg_dependencies} tk-dev libncurses5-dev libncursesw5-dev libreadline6-dev libdb5.3-dev libgdbm-dev libsqlite3-dev libbz2-dev libexpat1-dev liblzma-dev wget tar"
+			ynh_install_app_dependencies "${pkg_dependencies}"
+			
+			# APT < Minimal & Actual < Minimal => Build & install Python into /usr/local/bin
+			ynh_print_info --message="Building python (may take a while)..."
+			
+			# Store current direcotry 
+			local MY_DIR=$(pwd)
+			
+			# Create a temp direcotry
+			tmpdir="$(mktemp --directory)"
+			cd "$tmpdir"
+			
+			# Download
+			wget --output-document="Python-$python.tar.xz" \
+				"https://www.python.org/ftp/python/$python/Python-$python.tar.xz" 2>&1
+			
+			# Extract
+			tar xf "Python-$python.tar.xz"
+			
+			# Install
+			cd "Python-$python"
+			./configure --enable-optimizations
+			ynh_exec_warn_less make -j4
+			ynh_exec_warn_less make altinstall
+			
+			# Go back to working directory
+			cd "$MY_DIR"
+			
+			# Clean
+			ynh_secure_remove "$tmpdir"
+			
+			# Set version
+			py_app_version="/usr/local/bin/python${python:0:3}"
+		fi
+	fi
+	# Save python version in settings 
+	ynh_app_setting_set --app=$app --key=python --value="$python"
+}
+
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index b167f73..b8e7c4c 100755
--- a/scripts/install
+++ b/scripts/install
@@ -94,6 +94,7 @@ ynh_script_progression --message="Creating a PostgreSQL database..." --weight=1
 db_name=$(ynh_sanitize_dbid --db_name=$app)
 db_user=$db_name
 ynh_app_setting_set --app=$app --key=db_name --value=$db_name
+ynh_psql_test_if_first_run
 ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
 
 ynh_psql_execute_as_root --sql="GRANT ALL PRIVILEGES ON DATABASE $db_user TO $db_user;"
@@ -136,21 +137,27 @@ chown $app:$app "$final_path/.env"
 #=================================================
 ynh_script_progression --message="Setting up Tandoor venv..." --weight=1
 
-ynh_exec_as $app python3 -m venv "$final_path/venv"
+if [[ $(ynh_get_debian_release) == "bullseye" ]]; then
+	py_app_version="python3"
+else
+	myynh_install_python --python="$py_required_version"
+fi
+
+ynh_exec_as $app $py_app_version -m venv "$final_path/venv"
 
 ynh_script_progression --message="Installing dependencies via pip..." --weight=4
 pushd "$final_path"
-	ynh_exec_as $app "$final_path/venv/bin/pip3" install -r requirements.txt
+	ynh_exec_warn_less ynh_exec_as $app "$final_path/venv/bin/pip3" install -r requirements.txt
 popd
 
 ynh_script_progression --message="Building frontend..." --weight=5
 pushd "$final_path/vue"
 	ynh_use_nodejs
-	yarn install
-	yarn build
+	ynh_exec_warn_less yarn install
+	ynh_exec_warn_less yarn build
 popd
 
-ynh_script_progression --message="Running migrations and generatic static files..." --weight=2
+ynh_script_progression --message="Running migrations and generating static files..." --weight=2
 pushd "$final_path"
 	# load environment variables
 	export $(cat "/var/www/$app/.env" |grep "^[^#]" | xargs)
@@ -182,7 +189,7 @@ ynh_use_logrotate
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="Smart recuoe management" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Smart recipe management" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
diff --git a/scripts/restore b/scripts/restore
index dc4a283..5f2ef60 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -29,9 +29,12 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
+port=$(ynh_app_setting_get --app=$app --key=port)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
+secretkey=$(ynh_app_setting_get --app=$app --key=secretkey)
 db_user=$db_name
 
 #=================================================
@@ -92,6 +95,7 @@ ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=1
 
 db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
+ynh_psql_test_if_first_run
 ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
 ynh_psql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
 
@@ -115,7 +119,7 @@ ynh_restore_file --origin_path="/etc/logrotate.d/$app"
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Smart recipe management" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
diff --git a/scripts/upgrade b/scripts/upgrade
index 0b7f6b8..52d3ab8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -17,9 +17,12 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
+port=$(ynh_app_setting_get --app=$app --key=port)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
+secretkey=$(ynh_app_setting_get --app=$app --key=secretkey)
 
 #=================================================
 # CHECK VERSION
@@ -104,14 +107,6 @@ ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
 ynh_install_app_dependencies $pkg_dependencies
 
-#=================================================
-# PHP-FPM CONFIGURATION
-#=================================================
-ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1
-
-# Create a dedicated PHP-FPM config
-ynh_add_fpm_config
-
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -130,8 +125,8 @@ ynh_add_config --template=".env.template" --destination="$final_path/.env"
 # FIXME: this should be handled by the core in the future
 # You may need to use chmod 600 instead of 400,
 # for example if the app is expected to be able to modify its own config
-chmod 400 "$final_path/some_config_file"
-chown $app:$app "$final_path/some_config_file"
+chmod 400 "$final_path/.env"
+chown $app:$app "$final_path/.env"
 
 #=================================================
 # SPECIFIC UPGRADE
@@ -140,11 +135,10 @@ chown $app:$app "$final_path/some_config_file"
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 
-	# load environment variables
-	export $(cat "/var/www/$app/.env" |grep "^[^#]" | xargs)
-
 	ynh_script_progression --message="Running migrations and generatic static files..." --weight=2
 	pushd "$final_path"
+		# load environment variables
+		export $(cat "/var/www/$app/.env" |grep "^[^#]" | xargs)
 		ynh_exec_as $app "$final_path/venv/bin/python3" manage.py migrate
 		ynh_exec_as $app "$final_path/venv/bin/python3" manage.py collectstatic --no-input 
 		ynh_exec_as $app "$final_path/venv/bin/python3" manage.py collectstatic_js_reverse 
@@ -181,7 +175,7 @@ ynh_use_logrotate --non-append
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Smart recipe management" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE