diff --git a/.env.model b/.env.model
old mode 100644
new mode 100755
index 4adfc7f..4941ab1
--- a/.env.model
+++ b/.env.model
@@ -16,3 +16,16 @@ PROD_DB_PASS=secret_prod
 TEST_DB_NAME=web_storage_test
 TEST_DB_USER=test_user
 TEST_DB_PASS=test_pass
+
+# --- Configuracoes de Armazenamento ---
+STORAGE_TYPE=local # local ou oci
+STORAGE_ROOT=/var/www/html/storage
+
+# --- Oracle Cloud Object Storage ---
+OCI_USER_OCID=
+OCI_TENANCY_OCID=
+OCI_FINGERPRINT=
+OCI_KEY_FILE=/var/www/html/oci_private_key.pem
+OCI_REGION=
+OCI_NAMESPACE=
+OCI_BUCKET=
diff --git a/.gitignore b/.gitignore
old mode 100644
new mode 100755
diff --git a/Jenkinsfile b/Jenkinsfile
old mode 100644
new mode 100755
diff --git a/README.md b/README.md
old mode 100644
new mode 100755
diff --git a/composer.json b/composer.json
old mode 100644
new mode 100755
index 7e69bfc..12810e7
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,8 @@
     "description": "Web storage application",
     "type": "project",
     "require": {
-        "php": "^8.3"
+        "php": "^8.3",
+        "oracle/oci-php-sdk": "^0.1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^11.0"
diff --git a/composer.lock b/composer.lock
old mode 100644
new mode 100755
index 6ca1709..76b84d1
--- a/composer.lock
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@@ -4,8 +4,908 @@
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+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Log\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "https://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for logging libraries",
+            "homepage": "https://github.com/php-fig/log",
+            "keywords": [
+                "log",
+                "psr",
+                "psr-3"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/log/tree/3.0.2"
+            },
+            "time": "2024-09-11T13:17:53+00:00"
+        },
+        {
+            "name": "psr/simple-cache",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/simple-cache.git",
+                "reference": "408d5eafb83c57f6365a3ca330ff23aa4a5fa39b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/simple-cache/zipball/408d5eafb83c57f6365a3ca330ff23aa4a5fa39b",
+                "reference": "408d5eafb83c57f6365a3ca330ff23aa4a5fa39b",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\SimpleCache\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interfaces for simple caching",
+            "keywords": [
+                "cache",
+                "caching",
+                "psr",
+                "psr-16",
+                "simple-cache"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/simple-cache/tree/master"
+            },
+            "time": "2017-10-23T01:57:42+00:00"
+        },
+        {
+            "name": "ralouphie/getallheaders",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ralouphie/getallheaders.git",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ralouphie/getallheaders/zipball/120b605dfeb996808c31b6477290a714d356e822",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.1",
+                "phpunit/phpunit": "^5 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/getallheaders.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ralph Khattar",
+                    "email": "ralph.khattar@gmail.com"
+                }
+            ],
+            "description": "A polyfill for getallheaders.",
+            "support": {
+                "issues": "https://github.com/ralouphie/getallheaders/issues",
+                "source": "https://github.com/ralouphie/getallheaders/tree/develop"
+            },
+            "time": "2019-03-08T08:55:37+00:00"
+        },
+        {
+            "name": "symfony/polyfill-intl-idn",
+            "version": "v1.33.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-idn.git",
+                "reference": "9614ac4d8061dc257ecc64cba1b140873dce8ad3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-idn/zipball/9614ac4d8061dc257ecc64cba1b140873dce8ad3",
+                "reference": "9614ac4d8061dc257ecc64cba1b140873dce8ad3",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2",
+                "symfony/polyfill-intl-normalizer": "^1.10"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Idn\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Laurent Bassin",
+                    "email": "laurent@bassin.info"
+                },
+                {
+                    "name": "Trevor Rowbotham",
+                    "email": "trevor.rowbotham@pm.me"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "idn",
+                "intl",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-idn/tree/v1.33.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-10T14:38:51+00:00"
+        },
+        {
+            "name": "symfony/polyfill-intl-normalizer",
+            "version": "v1.33.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-normalizer.git",
+                "reference": "3833d7255cc303546435cb650316bff708a1c75c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-normalizer/zipball/3833d7255cc303546435cb650316bff708a1c75c",
+                "reference": "3833d7255cc303546435cb650316bff708a1c75c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Normalizer\\": ""
+                },
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's Normalizer class and related functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "intl",
+                "normalizer",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-normalizer/tree/v1.33.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-09T11:45:10+00:00"
+        }
+    ],
     "packages-dev": [
         {
             "name": "myclabs/deep-copy",
@@ -1798,5 +2698,5 @@
         "php": "^8.3"
     },
     "platform-dev": {},
-    "plugin-api-version": "2.9.0"
+    "plugin-api-version": "2.6.0"
 }
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
old mode 100644
new mode 100755
diff --git a/docker-compose.test.yml b/docker-compose.test.yml
old mode 100644
new mode 100755
diff --git a/docker-compose.yml b/docker-compose.yml
old mode 100644
new mode 100755
diff --git a/docker/nginx/Dockerfile.prod b/docker/nginx/Dockerfile.prod
old mode 100644
new mode 100755
diff --git a/docker/nginx/default.conf b/docker/nginx/default.conf
old mode 100644
new mode 100755
diff --git a/docker/nginx/prod.conf b/docker/nginx/prod.conf
old mode 100644
new mode 100755
diff --git a/docker/php/Dockerfile.dev b/docker/php/Dockerfile.dev
old mode 100644
new mode 100755
diff --git a/docker/php/Dockerfile.prod b/docker/php/Dockerfile.prod
old mode 100644
new mode 100755
diff --git a/docker/php/Dockerfile.test b/docker/php/Dockerfile.test
old mode 100644
new mode 100755
diff --git a/phpunit.xml b/phpunit.xml
old mode 100644
new mode 100755
diff --git a/project.md b/project.md
old mode 100644
new mode 100755
index bc8c6f5..75f93ec
--- a/project.md
+++ b/project.md
@@ -15,5 +15,6 @@ O **Web Storage** é uma plataforma de gerenciamento de arquivos em nuvem modern
 
 1. **Testes Obrigatórios**: Sempre criar testes para novas implementações.
 2. **Commits Automáticos**: Sempre fazer commit das alterações caso todos os testes passem com sucesso.
+3. **Desenvolvimento em Branch Dev**: Todo o desenvolvimento deve ser realizado na branch `dev`. Após cada commit local, deve-se realizar o `git push origin dev` imediatamente.
 
 > **Nota**: Este arquivo serve como referência principal da stack e da arquitetura base. Deve ser consultado antes de propor ou realizar qualquer nova implementação na aplicação para garantir consistência tecnológica.
diff --git a/public/admin.php b/public/admin.php
old mode 100644
new mode 100755
diff --git a/public/change_password.php b/public/change_password.php
old mode 100644
new mode 100755
diff --git a/public/css/admin.css b/public/css/admin.css
old mode 100644
new mode 100755
diff --git a/public/css/change_password.css b/public/css/change_password.css
old mode 100644
new mode 100755
diff --git a/public/css/dashboard.css b/public/css/dashboard.css
old mode 100644
new mode 100755
diff --git a/public/css/edit.css b/public/css/edit.css
old mode 100644
new mode 100755
diff --git a/public/css/style.css b/public/css/style.css
old mode 100644
new mode 100755
diff --git a/public/dashboard.php b/public/dashboard.php
old mode 100644
new mode 100755
index cea8d1a..27a136e
--- a/public/dashboard.php
+++ b/public/dashboard.php
@@ -29,7 +29,8 @@
 }
 
 $userId = $auth->getCurrentUserId();
-$fileManager = new FileManager($userId);
+$storage = \App\Storage\StorageFactory::create();
+$fileManager = new FileManager($userId, $storage);
 
 $error = '';
 $success = '';
@@ -38,10 +39,12 @@
 if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
     try {
         $filename = $fileManager->uploadFile($_FILES['file']);
-        $success = "Arquivo '$filename' enviado com sucesso!";
+        $_SESSION['success'] = "Arquivo '$filename' enviado com sucesso!";
     } catch (Exception $e) {
-        $error = $e->getMessage();
+        $_SESSION['error'] = $e->getMessage();
     }
+    header("Location: /dashboard.php");
+    exit;
 }
 
 // Handle Direct File Creation
@@ -53,11 +56,13 @@
             header("Location: /edit.php?file=" . urlencode($name) . "&new=1");
             exit;
         } catch (Exception $e) {
-            $error = $e->getMessage();
+            $_SESSION['error'] = $e->getMessage();
         }
     } else {
-        $error = "Nome de arquivo inválido.";
+        $_SESSION['error'] = "Nome de arquivo inválido.";
     }
+    header("Location: /dashboard.php");
+    exit;
 }
 
 // Handle Bulk Deletion
@@ -66,14 +71,16 @@
         $filesToDelete = json_decode($_POST['files'], true);
         if (is_array($filesToDelete) && !empty($filesToDelete)) {
             $result = $fileManager->bulkDelete($filesToDelete);
-            $success = $result['success'] . " arquivo(s) apagado(s) com sucesso.";
+            $_SESSION['success'] = $result['success'] . " arquivo(s) apagado(s) com sucesso.";
             if ($result['failed'] > 0) {
-                $error .= $result['failed'] . " arquivo(s) falharam em ser apagados. ";
+                $_SESSION['error'] = $result['failed'] . " arquivo(s) falharam em ser apagados.";
             }
         }
     } catch (Exception $e) {
-        $error = $e->getMessage();
+        $_SESSION['error'] = $e->getMessage();
     }
+    header("Location: /dashboard.php");
+    exit;
 }
 
 // Handle Rename
@@ -83,24 +90,28 @@
     if (!empty($oldName) && !empty($newName)) {
         try {
             $renamed = $fileManager->renameFile($oldName, $newName);
-            $success = "Arquivo '$oldName' renomeado para '$renamed' com sucesso!";
+            $_SESSION['success'] = "Arquivo '$oldName' renomeado para '$renamed' com sucesso!";
         } catch (Exception $e) {
-            $error = $e->getMessage();
+            $_SESSION['error'] = $e->getMessage();
         }
     } else {
-        $error = "Nome de arquivo inválido.";
+        $_SESSION['error'] = "Nome de arquivo inválido.";
     }
+    header("Location: /dashboard.php");
+    exit;
 }
 
 // Handle File Deletion
 if (isset($_GET['action']) && $_GET['action'] === 'delete' && isset($_GET['file'])) {
     try {
         $fileManager->deleteFile($_GET['file']);
-        $success = "Arquivo apagado com sucesso!";
-        header("Location: /dashboard.php?success=" . urlencode($success));
+        $_SESSION['success'] = "Arquivo apagado com sucesso!";
+        header("Location: /dashboard.php");
         exit;
     } catch (Exception $e) {
-        $error = $e->getMessage();
+        $_SESSION['error'] = $e->getMessage();
+        header("Location: /dashboard.php");
+        exit;
     }
 }
 
@@ -128,8 +139,9 @@
 }
 
 $files = $fileManager->listFiles();
-$successMsg = $_GET['success'] ?? $success;
-$errorMsg = $_GET['error'] ?? $error;
+$successMsg = $_SESSION['success'] ?? '';
+$errorMsg = $_SESSION['error'] ?? '';
+unset($_SESSION['success'], $_SESSION['error']);
 
 function formatBytes($bytes, $precision = 2) { 
     $units = array('B', 'KB', 'MB', 'GB', 'TB'); 
@@ -301,5 +313,20 @@ function formatBytes($bytes, $precision = 2) {
         </div>
     </div>
     <script src="/js/dashboard.js"></script>
+    <script>
+        // Hide alerts after 3 seconds
+        document.addEventListener('DOMContentLoaded', function() {
+            const alerts = document.querySelectorAll('.alert');
+            alerts.forEach(function(alert) {
+                setTimeout(function() {
+                    alert.style.opacity = '0';
+                    alert.style.transition = 'opacity 0.5s ease';
+                    setTimeout(function() {
+                        alert.remove();
+                    }, 500);
+                }, 3000);
+            });
+        });
+    </script>
 </body>
 </html>
diff --git a/public/edit.php b/public/edit.php
old mode 100644
new mode 100755
index 125a1ce..098d47e
--- a/public/edit.php
+++ b/public/edit.php
@@ -22,7 +22,8 @@
 }
 
 $userId = $auth->getCurrentUserId();
-$fileManager = new FileManager($userId);
+$storage = \App\Storage\StorageFactory::create();
+$fileManager = new FileManager($userId, $storage);
 
 if (!isset($_GET['file']) || empty($_GET['file'])) {
     header('Location: /dashboard.php');
diff --git a/public/index.php b/public/index.php
old mode 100644
new mode 100755
diff --git a/public/js/admin.js b/public/js/admin.js
old mode 100644
new mode 100755
diff --git a/public/js/change_password.js b/public/js/change_password.js
old mode 100644
new mode 100755
diff --git a/public/js/dashboard.js b/public/js/dashboard.js
old mode 100644
new mode 100755
diff --git a/public/js/edit.js b/public/js/edit.js
old mode 100644
new mode 100755
diff --git a/screenshots/admin_panel.png b/screenshots/admin_panel.png
old mode 100644
new mode 100755
diff --git a/screenshots/home.png b/screenshots/home.png
old mode 100644
new mode 100755
diff --git a/set_permissions.sh b/set_permissions.sh
old mode 100644
new mode 100755
diff --git a/src/Auth.php b/src/Auth.php
old mode 100644
new mode 100755
index 3b8e254..cb696ce
--- a/src/Auth.php
+++ b/src/Auth.php
@@ -35,6 +35,7 @@ public function logout(): void {
         if (session_status() === PHP_SESSION_NONE) {
             session_start();
         }
+        $_SESSION = [];
         session_unset();
         session_destroy();
     }
diff --git a/src/Config/Database.php b/src/Config/Database.php
old mode 100644
new mode 100755
diff --git a/src/Config/OCIConfig.php b/src/Config/OCIConfig.php
new file mode 100755
index 0000000..b4b2312
--- /dev/null
+++ b/src/Config/OCIConfig.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Config;
+
+use Oracle\Oci\ObjectStorage\ObjectStorageClient;
+use Oracle\Oci\Common\Config\Config;
+
+class OCIConfig {
+    public static function createClient(): ObjectStorageClient {
+        // Load from environment or home config
+        $config = new Config([
+            'user' => getenv('OCI_USER_OCID'),
+            'tenancy' => getenv('OCI_TENANCY_OCID'),
+            'fingerprint' => getenv('OCI_FINGERPRINT'),
+            'key_file' => getenv('OCI_KEY_FILE'),
+            'region' => getenv('OCI_REGION')
+        ]);
+
+        return new ObjectStorageClient($config);
+    }
+
+    public static function getNamespace(): string {
+        return getenv('OCI_NAMESPACE');
+    }
+
+    public static function getBucket(): string {
+        return getenv('OCI_BUCKET');
+    }
+}
diff --git a/src/FileManager.php b/src/FileManager.php
old mode 100644
new mode 100755
index 7b2201a..6227802
--- a/src/FileManager.php
+++ b/src/FileManager.php
@@ -2,28 +2,25 @@
 
 namespace App;
 
+use App\Storage\StorageInterface;
 use Exception;
 
 class FileManager {
-    private string $storageRoot;
+    private StorageInterface $storage;
     private int $userId;
 
-    public function __construct(int $userId, string $storageRoot = '/var/www/html/storage') {
+    public function __construct(int $userId, StorageInterface $storage) {
         $this->userId = $userId;
-        $this->storageRoot = rtrim($storageRoot, '/');
-        $this->ensureUserDirectory();
+        $this->storage = $storage;
+        $this->storage->createDirectory($this->getUserPrefix());
     }
 
-    private function getUserDirectory(): string {
-        return $this->storageRoot . '/user_' . $this->userId;
+    private function getUserPrefix(): string {
+        return 'user_' . $this->userId;
     }
 
-    private function ensureUserDirectory(): void {
-        $dir = $this->getUserDirectory();
-        if (!is_dir($dir)) {
-            // Attempt to create, suppress warning if permission denied so it can be handled or displayed gracefully
-            @mkdir($dir, 0777, true);
-        }
+    private function getFullContentPath(string $filename): string {
+        return $this->getUserPrefix() . '/' . basename($filename);
     }
 
     public function uploadFile(array $file): string {
@@ -35,58 +32,31 @@ public function uploadFile(array $file): string {
         // Basic sanitization
         $filename = preg_replace('/[^a-zA-Z0-9_\.-]/', '_', $filename);
         
-        $destination = $this->getUserDirectory() . '/' . $filename;
+        $path = $this->getFullContentPath($filename);
         
-        // Ensure no overwrite of existing file by adding timestamp if needed, or just throw error
-        if (file_exists($destination)) {
+        if ($this->storage->exists($path)) {
             throw new Exception("File already exists.");
         }
 
-        // in tests we might just move it physically or copy
-        if (is_uploaded_file($file['tmp_name'])) {
-            if (!move_uploaded_file($file['tmp_name'], $destination)) {
-                throw new Exception("Failed to move uploaded file.");
-            }
-        } else {
-            // For testing without actual HTTP upload
-            if (!rename($file['tmp_name'], $destination)) {
-                throw new Exception("Failed to move file.");
-            }
+        $content = file_get_contents($file['tmp_name']);
+        if ($content === false) {
+             throw new Exception("Failed to read uploaded file.");
         }
 
+        $this->storage->put($path, $content);
+
         return $filename;
     }
 
     public function listFiles(): array {
-        $dir = $this->getUserDirectory();
-        
-        if (!is_dir($dir)) {
-            // Se o diretório não existe (por erro de permissão por exemplo), não falhar fatalmente
-            return [];
-        }
-
-        $scanned = @scandir($dir);
-        if ($scanned === false) {
-            return [];
-        }
-
-        $files = array_diff($scanned, array('.', '..'));
-        $result = [];
-        foreach ($files as $file) {
-            $path = $dir . '/' . $file;
-            $result[] = [
-                'name' => $file,
-                'size' => filesize($path),
-                'modified' => @filemtime($path) ?: time() // Fallback time if mtime fails
-            ];
-        }
-        return $result;
+        return $this->storage->list($this->getUserPrefix());
     }
 
     public function deleteFile(string $filename): bool {
-        $path = $this->getUserDirectory() . '/' . basename($filename);
-        if (file_exists($path) && is_file($path)) {
-            return unlink($path);
+        $path = $this->getFullContentPath($filename);
+        if ($this->storage->exists($path)) {
+            $this->storage->delete($path);
+            return true;
         }
         throw new Exception("File not found.");
     }
@@ -107,7 +77,7 @@ public function bulkDelete(array $filenames): array {
     }
 
     public function renameFile(string $oldName, string $newName): string {
-        $oldPath = $this->getFilePath($oldName);
+        $oldPath = $this->getFullContentPath($oldName);
         $newName = basename($newName);
         $newName = preg_replace('/[^a-zA-Z0-9_\.-]/', '_', $newName);
         
@@ -115,40 +85,32 @@ public function renameFile(string $oldName, string $newName): string {
             throw new Exception("Invalid new filename.");
         }
         
-        $newPath = $this->getUserDirectory() . '/' . $newName;
-        if (file_exists($newPath)) {
+        $newPath = $this->getUserPrefix() . '/' . $newName;
+        if ($this->storage->exists($newPath)) {
             throw new Exception("File with the new name already exists.");
         }
         
-        if (!rename($oldPath, $newPath)) {
-            throw new Exception("Failed to rename file.");
-        }
+        $this->storage->rename($oldPath, $newPath);
         
         return $newName;
     }
 
     public function getFilePath(string $filename): string {
-        $path = $this->getUserDirectory() . '/' . basename($filename);
-        if (!file_exists($path) || !is_file($path)) {
+        $path = $this->getFullContentPath($filename);
+        if (!$this->storage->exists($path)) {
             throw new Exception("File not found.");
         }
-        return $path;
+        return $this->storage->getRealPath($path);
     }
 
     public function getFileContent(string $filename): string {
-        $path = $this->getFilePath($filename);
-        $content = @file_get_contents($path);
-        if ($content === false) {
-            throw new Exception("Failed to read file.");
-        }
-        return $content;
+        $path = $this->getFullContentPath($filename);
+        return $this->storage->get($path);
     }
 
     public function updateFileContent(string $filename, string $content): void {
-        $path = $this->getFilePath($filename);
-        if (@file_put_contents($path, $content) === false) {
-            throw new Exception("Failed to write to file.");
-        }
+        $path = $this->getFullContentPath($filename);
+        $this->storage->put($path, $content);
     }
 
     public function createFile(string $filename): void {
@@ -160,13 +122,11 @@ public function createFile(string $filename): void {
             throw new Exception("Nome de arquivo inválido.");
         }
         
-        $path = $this->getUserDirectory() . '/' . $filename;
-        if (file_exists($path)) {
+        $path = $this->getFullContentPath($filename);
+        if ($this->storage->exists($path)) {
             throw new Exception("Arquivo com este nome já existe.");
         }
         
-        if (@file_put_contents($path, '') === false) {
-            throw new Exception("Falha ao criar arquivo.");
-        }
+        $this->storage->put($path, '');
     }
 }
diff --git a/src/Storage/LocalStorage.php b/src/Storage/LocalStorage.php
new file mode 100755
index 0000000..31b63ca
--- /dev/null
+++ b/src/Storage/LocalStorage.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace App\Storage;
+
+use Exception;
+
+class LocalStorage implements StorageInterface {
+    private string $root;
+
+    public function __construct(string $root) {
+        $this->root = rtrim($root, '/');
+        if (!is_dir($this->root)) {
+            @mkdir($this->root, 0777, true);
+        }
+    }
+
+    private function getFullContentPath(string $path): string {
+        return $this->root . '/' . ltrim($path, '/');
+    }
+
+    public function put(string $path, string $content): void {
+        $fullPath = $this->getFullContentPath($path);
+        $dir = dirname($fullPath);
+        if (!is_dir($dir)) {
+            @mkdir($dir, 0777, true);
+        }
+        if (@file_put_contents($fullPath, $content) === false) {
+            throw new Exception("Failed to write to local storage.");
+        }
+    }
+
+    public function get(string $path): string {
+        $fullPath = $this->getFullContentPath($path);
+        if (!file_exists($fullPath)) {
+            throw new Exception("File not found in local storage.");
+        }
+        $content = @file_get_contents($fullPath);
+        if ($content === false) {
+            throw new Exception("Failed to read from local storage.");
+        }
+        return $content;
+    }
+
+    public function delete(string $path): void {
+        $fullPath = $this->getFullContentPath($path);
+        if (file_exists($fullPath) && is_file($fullPath)) {
+            unlink($fullPath);
+        }
+    }
+
+    public function list(string $prefix = ''): array {
+        $dir = $this->getFullContentPath($prefix);
+        if (!is_dir($dir)) return [];
+
+        $files = array_diff(scandir($dir), ['.', '..']);
+        $result = [];
+        foreach ($files as $file) {
+            $path = $dir . '/' . $file;
+            if (is_file($path)) {
+                $result[] = [
+                    'name' => $file,
+                    'size' => filesize($path),
+                    'modified' => filemtime($path)
+                ];
+            }
+        }
+        return $result;
+    }
+
+    public function exists(string $path): bool {
+        return file_exists($this->getFullContentPath($path));
+    }
+
+    public function rename(string $oldPath, string $newPath): void {
+        rename($this->getFullContentPath($oldPath), $this->getFullContentPath($newPath));
+    }
+
+    public function createDirectory(string $path): void {
+        $fullPath = $this->getFullContentPath($path);
+        if (!is_dir($fullPath)) {
+            @mkdir($fullPath, 0777, true);
+        }
+    }
+
+    public function getRealPath(string $path): string {
+        return $this->getFullContentPath($path);
+    }
+}
diff --git a/src/Storage/OCIStorage.php b/src/Storage/OCIStorage.php
new file mode 100755
index 0000000..208c8dc
--- /dev/null
+++ b/src/Storage/OCIStorage.php
@@ -0,0 +1,129 @@
+<?php
+
+namespace App\Storage;
+
+use Exception;
+use Oracle\Oci\ObjectStorage\ObjectStorageClient;
+use Oracle\Oci\Common\Config\Config;
+
+class OCIStorage implements StorageInterface {
+    private ObjectStorageClient $client;
+    private string $namespace;
+    private string $bucket;
+
+    public function __construct(ObjectStorageClient $client, string $namespace, string $bucket) {
+        $this->client = $client;
+        $this->namespace = $namespace;
+        $this->bucket = $bucket;
+    }
+
+    public function put(string $path, string $content): void {
+        try {
+            $this->client->putObject([
+                'NamespaceName' => $this->namespace,
+                'BucketName' => $this->bucket,
+                'ObjectName' => ltrim($path, '/'),
+                'PutObjectBody' => $content
+            ]);
+        } catch (Exception $e) {
+            throw new Exception("OCI Upload Failed: " . $e->getMessage());
+        }
+    }
+
+    public function get(string $path): string {
+        try {
+            $response = $this->client->getObject([
+                'NamespaceName' => $this->namespace,
+                'BucketName' => $this->bucket,
+                'ObjectName' => ltrim($path, '/')
+            ]);
+            return (string)$response->getBody();
+        } catch (Exception $e) {
+            throw new Exception("OCI Download Failed: " . $e->getMessage());
+        }
+    }
+
+    public function delete(string $path): void {
+        try {
+            $this->client->deleteObject([
+                'NamespaceName' => $this->namespace,
+                'BucketName' => $this->bucket,
+                'ObjectName' => ltrim($path, '/')
+            ]);
+        } catch (Exception $e) {
+            // Ignore if not found during delete
+        }
+    }
+
+    public function list(string $prefix = ''): array {
+        try {
+            $response = $this->client->listObjects([
+                'NamespaceName' => $this->namespace,
+                'BucketName' => $this->bucket,
+                'Prefix' => ltrim($prefix, '/') . '/',
+                'Fields' => 'name,size,timeCreated'
+            ]);
+
+            $data = $response->getJson();
+            $objects = $data['objects'] ?? [];
+            $result = [];
+            foreach ($objects as $obj) {
+                $name = $obj['name'];
+                // Strip prefix
+                $name = str_replace(ltrim($prefix, '/') . '/', '', $name);
+                if (empty($name)) continue;
+
+                $result[] = [
+                    'name' => $name,
+                    'size' => $obj['size'],
+                    'modified' => strtotime($obj['timeCreated'])
+                ];
+            }
+            return $result;
+        } catch (Exception $e) {
+            return [];
+        }
+    }
+
+    public function exists(string $path): bool {
+        try {
+            $this->client->headObject([
+                'NamespaceName' => $this->namespace,
+                'BucketName' => $this->bucket,
+                'ObjectName' => ltrim($path, '/')
+            ]);
+            return true;
+        } catch (Exception $e) {
+            return false;
+        }
+    }
+
+    public function rename(string $oldPath, string $newPath): void {
+        // OCI doesn't have rename, must copy and delete
+        try {
+            $this->client->copyObject([
+                'NamespaceName' => $this->namespace,
+                'BucketName' => $this->bucket,
+                'CopyObjectDetails' => [
+                    'sourceObjectName' => ltrim($oldPath, '/'),
+                    'destinationObjectName' => ltrim($newPath, '/'),
+                    'destinationBucket' => $this->bucket,
+                    'destinationNamespace' => $this->namespace,
+                    'destinationRegion' => $this->client->getRegion()
+                ]
+            ]);
+            $this->delete($oldPath);
+        } catch (Exception $e) {
+            throw new Exception("OCI Rename Failed: " . $e->getMessage());
+        }
+    }
+
+    public function createDirectory(string $path): void {
+        // No-op for OCI Object Storage as directories are virtual prefixes
+    }
+
+    public function getRealPath(string $path): string {
+        // Return a temp URL or localized path? For now, we'll download to a temp file if needed by the consumer.
+        return "oci://" . $this->bucket . "/" . ltrim($path, '/');
+    }
+}
diff --git a/src/Storage/StorageFactory.php b/src/Storage/StorageFactory.php
new file mode 100755
index 0000000..d69d1b5
--- /dev/null
+++ b/src/Storage/StorageFactory.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Storage;
+
+use App\Config\OCIConfig;
+
+class StorageFactory {
+    public static function create(): StorageInterface {
+        $storageType = getenv('STORAGE_TYPE') ?: 'local';
+
+        if ($storageType === 'oci') {
+            return new OCIStorage(
+                OCIConfig::createClient(),
+                OCIConfig::getNamespace(),
+                OCIConfig::getBucket()
+            );
+        }
+
+        $storageRoot = getenv('STORAGE_ROOT') ?: '/var/www/html/storage';
+        return new LocalStorage($storageRoot);
+    }
+}
diff --git a/src/Storage/StorageInterface.php b/src/Storage/StorageInterface.php
new file mode 100755
index 0000000..74746a6
--- /dev/null
+++ b/src/Storage/StorageInterface.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Storage;
+
+interface StorageInterface {
+    /**
+     * Put content into a file at path
+     */
+    public function put(string $path, string $content): void;
+
+    /**
+     * Get content from a file at path
+     */
+    public function get(string $path): string;
+
+    /**
+     * Delete a file at path
+     */
+    public function delete(string $path): void;
+
+    /**
+     * List files in a directory/prefix
+     * Returns array of [name, size, modified]
+     */
+    public function list(string $prefix = ''): array;
+
+    /**
+     * Check if a file exists
+     */
+    public function exists(string $path): bool;
+
+    /**
+     * Rename/Move a file
+     */
+    public function rename(string $oldPath, string $newPath): void;
+
+    /**
+     * Ensure a directory/prefix exists
+     */
+    public function createDirectory(string $path): void;
+
+    /**
+     * Get local file path (for streaming/download if possible)
+     */
+    public function getRealPath(string $path): string;
+}
diff --git a/src/UserManager.php b/src/UserManager.php
old mode 100644
new mode 100755
diff --git a/src/init_db.php b/src/init_db.php
old mode 100644
new mode 100755
diff --git a/tests/AuthTest.php b/tests/AuthTest.php
old mode 100644
new mode 100755
diff --git a/tests/FileManagerTest.php b/tests/FileManagerTest.php
old mode 100644
new mode 100755
index 84de572..75311fc
--- a/tests/FileManagerTest.php
+++ b/tests/FileManagerTest.php
@@ -17,7 +17,8 @@ protected function setUp(): void {
         }
         mkdir($this->testStorageRoot, 0777, true);
         
-        $this->fileManager = new FileManager(1, $this->testStorageRoot);
+        $storage = new \App\Storage\LocalStorage($this->testStorageRoot);
+        $this->fileManager = new \App\FileManager(1, $storage);
     }
 
     protected function tearDown(): void {
@@ -105,7 +106,7 @@ public function testGetFilePath() {
         ]);
 
         $path = $this->fileManager->getFilePath('test_path.txt');
-        $this->assertEquals($this->testStorageRoot . '/user_1/test_path.txt', $path);
+        $this->assertEquals('user_1/test_path.txt', ltrim(str_replace($this->testStorageRoot, '', $path), '/'));
         $this->assertTrue(file_exists($path));
     }
 
@@ -194,7 +195,7 @@ public function testCreateFile() {
         $filename = 'new_file.txt';
         $this->fileManager->createFile($filename);
         
-        $path = $this->testStorageRoot . '/user_1/' . $filename;
+        $path = $this->fileManager->getFilePath($filename);
         $this->assertFileExists($path);
         $this->assertEquals('', file_get_contents($path));
     }
diff --git a/tests/OCIStorageTest.php b/tests/OCIStorageTest.php
new file mode 100755
index 0000000..4ce37c4
--- /dev/null
+++ b/tests/OCIStorageTest.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Tests;
+
+use App\Storage\OCIStorage;
+use Oracle\Oci\ObjectStorage\ObjectStorageClient;
+use Oracle\Oci\Common\OciResponse;
+use PHPUnit\Framework\TestCase;
+use Exception;
+
+class OCIStorageTest extends TestCase {
+    private $clientMock;
+    private OCIStorage $storage;
+    private string $namespace = 'test-ns';
+    private string $bucket = 'test-bucket';
+
+    protected function setUp(): void {
+        $this->clientMock = $this->createMock(ObjectStorageClient::class);
+        $this->storage = new OCIStorage($this->clientMock, $this->namespace, $this->bucket);
+    }
+
+    public function testPut() {
+        $this->clientMock->expects($this->once())
+            ->method('putObject')
+            ->willReturn($this->createMock(OciResponse::class));
+
+        $this->storage->put('test.txt', 'hello');
+    }
+
+    public function testGet() {
+        $responseMock = $this->createMock(OciResponse::class);
+        $responseMock->method('getBody')->willReturn('content');
+
+        $this->clientMock->expects($this->once())
+            ->method('getObject')
+            ->willReturn($responseMock);
+
+        $this->assertEquals('content', $this->storage->get('test.txt'));
+    }
+
+    public function testExists() {
+        $this->clientMock->expects($this->once())
+            ->method('headObject')
+            ->willReturn($this->createMock(OciResponse::class));
+
+        $this->assertTrue($this->storage->exists('test.txt'));
+    }
+
+    public function testExistsFalse() {
+        $this->clientMock->expects($this->once())
+            ->method('headObject')
+            ->willThrowException(new Exception("Not Found"));
+
+        $this->assertFalse($this->storage->exists('test.txt'));
+    }
+
+    public function testDelete() {
+        $this->clientMock->expects($this->once())
+            ->method('deleteObject');
+
+        $this->storage->delete('test.txt');
+    }
+
+    public function testList() {
+        $responseMock = $this->createMock(OciResponse::class);
+        $responseMock->method('getJson')->willReturn([
+            'objects' => [
+                [
+                    'name' => 'user_1/file1.txt',
+                    'size' => 100,
+                    'timeCreated' => date('c')
+                ]
+            ]
+        ]);
+
+        $this->clientMock->expects($this->once())
+            ->method('listObjects')
+            ->willReturn($responseMock);
+
+        $files = $this->storage->list('user_1');
+        $this->assertCount(1, $files);
+        $this->assertEquals('file1.txt', $files[0]['name']);
+    }
+}
diff --git a/tests/UserManagerTest.php b/tests/UserManagerTest.php
old mode 100644
new mode 100755
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
old mode 100644
new mode 100755