feat: initial project scaffold

- React 19 + Vite + TailwindCSS frontend
- Express + TypeScript backend API
- PostgreSQL schema and migrations
- Docker Compose orchestration
- Drone CI/CD pipeline
- Pages: Dashboard, Servers, Containers, Services, Logs, Metrics, Settings

backend/src/db/migrate.ts

@@ -0,0 +1,98 @@
+import pool from './index';
+
+export const runMigrations = async () => {
+  const client = await pool.connect();
+  
+  try {
+    await client.query('BEGIN');
+
+    // Create servers table
+    await client.query(`
+      CREATE TABLE IF NOT EXISTS servers (
+        id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+        name VARCHAR(255) NOT NULL,
+        hostname VARCHAR(255) NOT NULL,
+        ip_address VARCHAR(45) NOT NULL,
+        port INTEGER DEFAULT 22,
+        username VARCHAR(100),
+        ssh_key_path TEXT,
+        status VARCHAR(50) DEFAULT 'unknown',
+        tags JSONB DEFAULT '[]',
+        metadata JSONB DEFAULT '{}',
+        created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+        updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+      );
+    `);
+
+    // Create containers table
+    await client.query(`
+      CREATE TABLE IF NOT EXISTS containers (
+        id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+        server_id UUID REFERENCES servers(id) ON DELETE CASCADE,
+        container_id VARCHAR(255) NOT NULL,
+        name VARCHAR(255) NOT NULL,
+        image VARCHAR(255),
+        status VARCHAR(50),
+        created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+        updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+      );
+    `);
+
+    // Create services table
+    await client.query(`
+      CREATE TABLE IF NOT EXISTS services (
+        id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+        server_id UUID REFERENCES servers(id) ON DELETE CASCADE,
+        name VARCHAR(255) NOT NULL,
+        type VARCHAR(50) NOT NULL,
+        status VARCHAR(50),
+        port INTEGER,
+        config JSONB DEFAULT '{}',
+        created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+        updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+      );
+    `);
+
+    // Create metrics table
+    await client.query(`
+      CREATE TABLE IF NOT EXISTS metrics (
+        id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+        server_id UUID REFERENCES servers(id) ON DELETE CASCADE,
+        cpu_usage DECIMAL(5,2),
+        memory_usage DECIMAL(5,2),
+        disk_usage DECIMAL(5,2),
+        network_rx BIGINT,
+        network_tx BIGINT,
+        timestamp TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+      );
+    `);
+
+    // Create index on metrics for faster queries
+    await client.query(`
+      CREATE INDEX IF NOT EXISTS idx_metrics_server_timestamp 
+      ON metrics(server_id, timestamp DESC);
+    `);
+
+    await client.query('COMMIT');
+    console.log('✅ Database migrations completed successfully');
+  } catch (error) {
+    await client.query('ROLLBACK');
+    console.error('❌ Migration error:', error);
+    throw error;
+  } finally {
+    client.release();
+  }
+};
+
+// Run migrations if this file is executed directly
+if (require.main === module) {
+  runMigrations()
+    .then(() => {
+      console.log('Migration complete');
+      process.exit(0);
+    })
+    .catch((error) => {
+      console.error('Migration failed:', error);
+      process.exit(1);
+    });
+}