diff --git a/check_process b/check_process
index e44602d..77c5372 100755
--- a/check_process
+++ b/check_process
@@ -1,14 +1,9 @@
-# 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"	(DOMAIN)
-		path="/path"	(PATH)
-		is_public=1	(PUBLIC|public=1|private=0)
-		admin="john"	(USER)
+		domain="domain.tld"
+		path="/path"
+		is_public=1
+		admin="john"
 		password="pass"
 	; Checks
 		pkg_linter=1
diff --git a/conf/.env.example b/conf/.env.example
index 9b8ee6c..da0c7af 100644
--- a/conf/.env.example
+++ b/conf/.env.example
@@ -10,19 +10,28 @@
 #   - go to `/cp-install` to complete installation
 #--------------------------------------------------------------------
 
+#--------------------------------------------------------------------
 # Instance configuration
+#--------------------------------------------------------------------
 app.baseURL="https://__DOMAIN__"
 app.mediaBaseURL="https://__DOMAIN__"
 app.adminGateway="cp-admin"
 app.authGateway="cp-auth"
 
+#--------------------------------------------------------------------
 # Database configuration
+#--------------------------------------------------------------------
 database.default.hostname="localhost"
 database.default.database="__DB_NAME__"
 database.default.username="__DB_NAME__"
 database.default.password="__DB_PWD__"
 database.default.DBPrefix="cp_"
 
-# Cache configuration (advanced)
-# Keep as is if you don't know what this means
-cache.handler="file"
+#--------------------------------------------------------------------
+# Redis configuration
+#--------------------------------------------------------------------
+cache.handler="redis"
+cache.redis.host="127.0.0.1"
+cache.redis.password=null
+cache.redis.port=6379
+cache.redis.database=0
diff --git a/manifest.json b/manifest.json
index d233dcd..0620454 100755
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Hosting platform made for podcasters",
         "fr": "Plateforme d'hébergement conçue pour les podcasteurs"
     },
-    "version": "1.0.0-57~ynh1",
+    "version": "1.0.0-57~ynh2",
     "url": "https://podlibre.org/",
     "license": "GPL-3.0-only",
     "maintainer": {
@@ -14,7 +14,7 @@
         "email": ""
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/_common.sh b/scripts/_common.sh
index dc4f14e..83aebb9 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -8,6 +8,8 @@ YNH_PHP_VERSION="7.3"
 
 extra_php_dependencies="php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-mysqlnd"
 
+pkg_dependencies="redis-server redis-tools"
+
 #=================================================
 # PERSONAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index c4ed278..db5bd60 100755
--- a/scripts/install
+++ b/scripts/install
@@ -49,6 +49,21 @@ ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=admin --value=$admin
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..." --weight=1
+
+# Create a system user
+ynh_system_user_create --username=$app --home_dir=$final_path
+
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Installing dependencies..." --weight=1
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # CREATE A MYSQL DATABASE
 #=================================================
@@ -59,14 +74,6 @@ db_user=$db_name
 ynh_app_setting_set --app=$app --key=db_name --value=$db_name
 ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Configuring system user..." --weight=1
-
-# Create a system user
-ynh_system_user_create --username=$app --home_dir=$final_path
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -76,6 +83,10 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$final_path"
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -101,6 +112,8 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 ynh_script_progression --message="Configuring Castopod..." --weight=1
 
 ynh_add_config --template="../conf/.env.example" --destination="$final_path/.env"
+chmod 600 $final_path/.env
+chown $app:www-data "$final_path/.env"
 
 #=================================================
 # SETUP A CRON
@@ -109,16 +122,6 @@ ynh_script_progression --message="Setuping a cron..."
 
 ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions to app files
-chown -R $app: $final_path
-chmod 600 $final_path/.env
-
 #=================================================
 # SETUP APPLICATION WITH CURL
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index f0dd710..884ea16 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -29,6 +29,14 @@ ynh_script_progression --message="Removing the MySQL database..." --weight=1
 # Remove a database if it exists, along with the associated user
 ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
 
+#=================================================
+# REMOVE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Removing dependencies..." --weight=1
+
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
+
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 563c0c2..ce267f6 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -67,13 +67,9 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$final_path"
 
-#=================================================
-# RESTORE USER RIGHTS
-#=================================================
-
-# Set permissions to app files
-chown -R $app:$app $final_path
-chmod 600 $final_path/.env
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
@@ -81,6 +77,14 @@ chmod 600 $final_path/.env
 
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
+#=================================================
+# REINSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Reinstalling dependencies..." --weight=1
+
+# Define and install dependencies
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # RESTORE THE MYSQL DATABASE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 4d00011..412afcf 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -88,6 +88,10 @@ then
 	ynh_setup_source --dest_dir="$final_path"
 fi
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -96,6 +100,13 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..." -
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
+#=================================================
+# UPGRADE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Upgrading dependencies..." --weight=1
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
@@ -110,6 +121,8 @@ ynh_add_fpm_config --package="$extra_php_dependencies"
 ynh_script_progression --message="Configuring Castopod..." --weight=1
 
 ynh_add_config --template="../conf/.env.example" --destination="$final_path/.env"
+chmod 600 $final_path/.env
+chown $app:www-data "$final_path/.env"
 
 #=================================================
 # SETUP CRON
@@ -118,16 +131,6 @@ ynh_script_progression --message="Setuping cron..."
 
 ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions to app files
-chown -R $app: $final_path
-chmod 600 $final_path/.env
-
 #=================================================
 # RELOAD NGINX
 #=================================================