diff --git a/conf/appsettings.json.example b/conf/appsettings.json.example
new file mode 100644
index 0000000..76e8940
--- /dev/null
+++ b/conf/appsettings.json.example
@@ -0,0 +1,6 @@
+{
+  "TokenKey": "super secret unguessable key",
+  "Port": __PORT__,
+  "IpAddresses": "",
+  "BaseUrl": "__URL_PATH__"
+}
diff --git a/manifest.toml b/manifest.toml
index 277e5dd..b2f5f4c 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -19,7 +19,7 @@ code = "https://github.com/Kareadita/Kavita"
 [integration]
 yunohost = ">= 11.1.19"
 architectures = ["amd64", "arm64", "armhf"]
-multi_instance = false
+multi_instance = true
 ldap = false
 sso = false
 disk = "50M"
diff --git a/scripts/change_url b/scripts/change_url
index ae914ad..289d619 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -25,6 +25,21 @@ ynh_script_progression --message="Updating NGINX web server configuration..." --
 
 ynh_change_url_nginx_config
 
+#=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+# CONFIGURE Kavita
+#=================================================
+ynh_backup_if_checksum_is_different --file="$install_dir/config/appsettings.json"
+
+domain=$new_domain
+url_path=${new_path#/}
+
+ynh_add_config --template="../conf/appsettings.json.example" --destination="$install_dir/config/appsettings.json"
+
+chmod 400 "$install_dir/config/appsettings.json"
+chown $app:$app "$install_dir/config/appsettings.json"
+
 #=================================================
 # GENERIC FINALISATION
 #=================================================
diff --git a/scripts/install b/scripts/install
index 70ad71d..90b967a 100755
--- a/scripts/install
+++ b/scripts/install
@@ -34,6 +34,17 @@ ynh_add_systemd_config
 
 yunohost service add $app --description="Cross platform reading server" --log="/var/log/$app/$app.log"
 
+#=================================================
+# MODIFY A CONFIG FILE
+#=================================================
+ynh_script_progression --message="Modifying a config file..." --weight=1
+
+url_path=${path#/}
+ynh_add_config --template="../conf/appsettings.json.example" --destination="$install_dir/config/appsettings.json"
+
+chmod 600 "$install_dir/config/appsettings.json"
+chown $app:$app "$install_dir/config/appsettings.json"
+
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index e649072..7a1d884 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -40,6 +40,17 @@ chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 chmod +x $install_dir/Kavita
 
+#=================================================
+# MODIFY A CONFIG FILE
+#=================================================
+ynh_script_progression --message="Modifying a config file..." --weight=1
+
+url_path=${path#/}
+ynh_add_config --template="../conf/appsettings.json.example" --destination="$install_dir/config/appsettings.json"
+
+chmod 600 "$install_dir/config/appsettings.json"
+chown $app:$app "$install_dir/config/appsettings.json"
+
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS
 #=================================================
diff --git a/tests.toml b/tests.toml
index fc80bad..210a497 100644
--- a/tests.toml
+++ b/tests.toml
@@ -6,7 +6,6 @@ test_format = 1.0
     # Default args to use for install
     # -------------------------------
 
-
     # -------------------------------
     # Commits to test upgrade from
     # -------------------------------
\ No newline at end of file