updated updating database in the installation

docker-compose.yml

@@ -86,7 +86,6 @@ services:
       - ./public:/usr/src/code/public
       - ./src:/usr/src/code/src
       - ./dev:/usr/src/code/dev
-      - ./.env:/usr/src/code/.env
     depends_on:
       - ${_APP_DB_ADAPTER:-mariadb}
       - redis

src/Appwrite/Platform/Tasks/Install.php

@@ -174,6 +174,7 @@ class Install extends Action
             }
 
             if ($var['name'] === '_APP_DB_ADAPTER' && $data !== false) {
+                $input[$var['name']] = $database;
                 continue;
             }