diff --git a/README.md b/README.md
index 937c69f..deee2fb 100644
--- a/README.md
+++ b/README.md
@@ -251,19 +251,27 @@ Esta é a **melhor opção para desenvolvedores** que vão modificar o código.
 
    Isso sobe **apenas o banco de dados** em container. A aplicação roda localmente.
 
-5. **Execute as migrations**
+5. **Ative as extensões necessárias no PostgreSQL**
+
+   ```bash
+   pnpm db:enableExtensions
+   ```
+
+   Ou você pode importar o script diretamente no banco de dados: `scripts/postgres/init.sql`
+
+6. **Execute as migrations**
 
    ```bash
    pnpm db:push
    ```
 
-6. **Inicie o servidor de desenvolvimento**
+7. **Inicie o servidor de desenvolvimento**
 
    ```bash
    pnpm dev
    ```
 
-7. **Acesse a aplicação**
+8. **Acesse a aplicação**
    ```
    http://localhost:3000
    ```
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c1aebff..4b8f90a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -112,7 +112,7 @@ importers:
         version: 4.1.0
       drizzle-orm:
         specifier: 0.44.7
-        version: 0.44.7(@opentelemetry/api@1.9.0)(better-sqlite3@12.4.1)(kysely@0.28.8)(pg@8.16.3)
+        version: 0.44.7(@opentelemetry/api@1.9.0)(@types/pg@8.15.6)(better-sqlite3@12.4.1)(kysely@0.28.8)(pg@8.16.3)
       lucide-react:
         specifier: 0.554.0
         version: 0.554.0(react@19.2.0)
@@ -165,6 +165,9 @@ importers:
       '@types/node':
         specifier: 24.10.1
         version: 24.10.1
+      '@types/pg':
+        specifier: ^8.15.6
+        version: 8.15.6
       '@types/react':
         specifier: 19.2.7
         version: 19.2.7
@@ -174,6 +177,9 @@ importers:
       depcheck:
         specifier: ^1.4.7
         version: 1.4.7
+      dotenv:
+        specifier: ^17.2.3
+        version: 17.2.3
       drizzle-kit:
         specifier: 0.31.7
         version: 0.31.7
@@ -1682,6 +1688,9 @@ packages:
   '@types/parse-json@4.0.2':
     resolution: {integrity: sha512-dISoDXWWQwUquiKsyZ4Ng+HX2KsPL7LyHKHQwgGFEA3IaKac4Obd+h2a/a6waisAoepJlBcx9paWqjA8/HVjCw==}
 
+  '@types/pg@8.15.6':
+    resolution: {integrity: sha512-NoaMtzhxOrubeL/7UZuNTrejB4MPAJ0RpxZqXQf2qXuVlTPuG6Y8p4u9dKRaue4yjmC7ZhzVO2/Yyyn25znrPQ==}
+
   '@types/react-dom@19.2.3':
     resolution: {integrity: sha512-jp2L/eY6fn+KgVVQAOqYItbF0VY/YApe5Mz2F0aykSO8gx31bYCZyvSeYxCHKvzHG5eZjc+zyaS5BrBWya2+kQ==}
     peerDependencies:
@@ -2301,6 +2310,10 @@ packages:
     resolution: {integrity: sha512-35mSku4ZXK0vfCuHEDAwt55dg2jNajHZ1odvF+8SSr82EsZY4QmXfuWso8oEd8zRhVObSN18aM0CjSdoBX7zIw==}
     engines: {node: '>=0.10.0'}
 
+  dotenv@17.2.3:
+    resolution: {integrity: sha512-JVUnt+DUIzu87TABbhPmNfVdBDt18BLOWjMUFJMSi/Qqg7NTYtabbvSNJGOJ7afbRuv9D/lngizHtP7QyLQ+9w==}
+    engines: {node: '>=12'}
+
   drizzle-kit@0.31.7:
     resolution: {integrity: sha512-hOzRGSdyKIU4FcTSFYGKdXEjFsncVwHZ43gY3WU5Bz9j5Iadp6Rh6hxLSQ1IWXpKLBKt/d5y1cpSPcV+FcoQ1A==}
     hasBin: true
@@ -5308,6 +5321,12 @@ snapshots:
 
   '@types/parse-json@4.0.2': {}
 
+  '@types/pg@8.15.6':
+    dependencies:
+      '@types/node': 24.10.1
+      pg-protocol: 1.10.3
+      pg-types: 2.2.0
+
   '@types/react-dom@19.2.3(@types/react@19.2.7)':
     dependencies:
       '@types/react': 19.2.7
@@ -5944,6 +5963,8 @@ snapshots:
     dependencies:
       esutils: 2.0.3
 
+  dotenv@17.2.3: {}
+
   drizzle-kit@0.31.7:
     dependencies:
       '@drizzle-team/brocli': 0.10.2
@@ -5953,9 +5974,10 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  drizzle-orm@0.44.7(@opentelemetry/api@1.9.0)(better-sqlite3@12.4.1)(kysely@0.28.8)(pg@8.16.3):
+  drizzle-orm@0.44.7(@opentelemetry/api@1.9.0)(@types/pg@8.15.6)(better-sqlite3@12.4.1)(kysely@0.28.8)(pg@8.16.3):
     optionalDependencies:
       '@opentelemetry/api': 1.9.0
+      '@types/pg': 8.15.6
       better-sqlite3: 12.4.1
       kysely: 0.28.8
       pg: 8.16.3
diff --git a/scripts/postgres/enable-extensions.ts b/scripts/postgres/enable-extensions.ts
new file mode 100644
index 0000000..232eeaa
--- /dev/null
+++ b/scripts/postgres/enable-extensions.ts
@@ -0,0 +1,47 @@
+#!/usr/bin/env node
+
+/**
+ * Script to initialize database extensions before running migrations
+ * This ensures pgcrypto extension is available for gen_random_bytes()
+ */
+
+import { config } from 'dotenv';
+import { drizzle } from 'drizzle-orm/node-postgres';
+import { Pool } from 'pg';
+import * as fs from 'fs';
+import * as path from 'path';
+
+// Load environment variables from .env
+config();
+
+async function initDatabase() {
+  const databaseUrl = process.env.DATABASE_URL;
+
+  if (!databaseUrl) {
+    console.error('DATABASE_URL environment variable is required');
+    process.exit(1);
+  }
+
+  const pool = new Pool({ connectionString: databaseUrl });
+  const db = drizzle(pool);
+
+  try {
+    console.log('🔧 Initializing database extensions...');
+
+    // Read and execute init.sql as a single query
+    const initSqlPath = path.join(process.cwd(), 'scripts', 'postgres', 'init.sql');
+    const initSql = fs.readFileSync(initSqlPath, 'utf-8');
+
+    console.log('Executing init.sql...');
+    await db.execute(initSql);
+
+    console.log('✅ Database initialization completed');
+  } catch (error) {
+    console.error('❌ Database initialization failed:', error);
+    process.exit(1);
+  } finally {
+    await pool.end();
+  }
+}
+
+initDatabase();
\ No newline at end of file