diff --git a/conf/.env.local.example b/conf/.env.local.example
index 8abc878..6823063 100644
--- a/conf/.env.local.example
+++ b/conf/.env.local.example
@@ -23,11 +23,10 @@ NEXT_TELEMETRY_DISABLED=1
 ### 3. REDIS CONFIG(optional if you don't need redis)
 ################################################################################
 ## if you want to use redis to speed up the media proxy, set this to true
-# USE_REDIS=true
+USE_REDIS=true
 ## for docker, just set the domain to the container name, default is 'libremdb_redis'
 REDIS_URL=localhost:6379
 
-
 ################################################################################
 ### 4. INSTANCE META FIELDS(not required but good to have)
 ################################################################################
diff --git a/scripts/install b/scripts/install
index 5b5fc9a..fa3ca82 100755
--- a/scripts/install
+++ b/scripts/install
@@ -7,6 +7,7 @@
 #=================================================
 
 source _common.sh
+source ynh_redis
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -101,6 +102,13 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=1
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
+#=================================================
+# CONFIGURE REDIS
+#=================================================
+
+redis_db=$(ynh_redis_get_free_db)
+ynh_app_setting_set --app="$app" --key=redis_db --value="$redis_db"
+
 #=================================================
 # INSTALL LIBREMDB
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index b06c61a..ca0f08d 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -7,6 +7,7 @@
 #=================================================
 
 source _common.sh
+source ynh_redis
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -19,6 +20,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 port=$(ynh_app_setting_get --app=$app --key=port)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
 
 #=================================================
 # STANDARD REMOVE
@@ -57,6 +59,13 @@ ynh_script_progression --message="Removing NGINX web server configuration..." --
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
 
+#=================================================
+# REMOVE THE REDIS DATABASE
+#=================================================
+ynh_script_progression --message="Removing the redis database..."
+
+ynh_redis_remove_db "$redis_db"
+
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index e4a5aac..7ca3c65 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -7,6 +7,7 @@
 #=================================================
 
 source _common.sh
+source ynh_redis
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -20,6 +21,7 @@ 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)
+redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
 
 #=================================================
 # CHECK VERSION
@@ -50,6 +52,17 @@ ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
 
+#=================================================
+# ENSURE DOWNWARD COMPATIBILITY
+#=================================================
+ynh_script_progression --message="Ensuring downward compatibility..."
+
+# If redis_db doesn't exist, create it
+if [ -z "$redis_db" ]; then
+	redis_db=$(ynh_redis_get_free_db)
+	ynh_app_setting_set --app="$app" --key=redis_db --value="$redis_db"
+fi
+
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
diff --git a/scripts/ynh_redis b/scripts/ynh_redis
new file mode 100644
index 0000000..9d6257d
--- /dev/null
+++ b/scripts/ynh_redis
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# get the first available redis database
+#
+# usage: ynh_redis_get_free_db
+# | returns: the database number to use
+ynh_redis_get_free_db() {
+	local result max db
+	result=$(redis-cli INFO keyspace)
+
+	# get the num
+	max=$(cat /etc/redis/redis.conf | grep ^databases | grep -Eow "[0-9]+")
+
+	db=0
+	# default Debian setting is 15 databases
+	for i in $(seq 0 "$max")
+	do
+	 	if ! echo "$result" | grep -q "db$i"
+	 	then
+			db=$i
+	 		break 1
+ 		fi
+ 		db=-1
+	done
+
+	test "$db" -eq -1 && ynh_die --message="No available Redis databases..."
+
+	echo "$db"
+}
+
+# Create a master password and set up global settings
+# Please always call this script in install and restore scripts
+#
+# usage: ynh_redis_remove_db database
+# | arg: database - the database to erase
+ynh_redis_remove_db() {
+	local db=$1
+	redis-cli -n "$db" flushall
+}