Fix admin route access and backend configuration

- Added /admin redirect to login page in nginx config
- Fixed backend server.js route ordering for proper admin handling
- Updated authentication middleware and routes
- Added user management routes
- Configured PostgreSQL integration
- Updated environment configuration

backend/create-temp-admin.js

@@ -0,0 +1,70 @@
+const bcrypt = require("bcrypt");
+const { query } = require("./config/database");
+
+async function createTempAdmin() {
+  try {
+    // Temporary credentials
+    const email = "admin@skyartshop.com";
+    const password = "TempAdmin2024!";
+    const name = "Temporary Admin";
+    const role = "superadmin";
+
+    // Hash the password
+    const passwordHash = await bcrypt.hash(password, 10);
+
+    // Check if user already exists
+    const existing = await query("SELECT id FROM adminusers WHERE email = $1", [
+      email,
+    ]);
+
+    if (existing.rows.length > 0) {
+      console.log("⚠️  Admin user already exists. Updating password...");
+      await query(
+        "UPDATE adminusers SET passwordhash = $1, name = $2, role = $3 WHERE email = $4",
+        [passwordHash, name, role, email]
+      );
+      console.log("✓ Password updated successfully!");
+    } else {
+      // Create the admin user
+      await query(
+        `INSERT INTO adminusers (email, name, passwordhash, role, createdat) 
+         VALUES ($1, $2, $3, $4, NOW())`,
+        [email, name, passwordHash, role]
+      );
+      console.log("✓ Temporary admin user created successfully!");
+    }
+
+    console.log("\n========================================");
+    console.log("TEMPORARY ADMIN CREDENTIALS");
+    console.log("========================================");
+    console.log("Email:    ", email);
+    console.log("Password: ", password);
+    console.log("========================================");
+    console.log("\n⚠️  IMPORTANT: Change this password after first login!\n");
+
+    process.exit(0);
+  } catch (error) {
+    console.error("Error creating admin user:", error);
+
+    if (error.code === "42P01") {
+      console.error('\n❌ Table "adminusers" does not exist.');
+      console.error("Please create the database schema first.");
+      console.log("\nRun this SQL to create the table:");
+      console.log(`
+CREATE TABLE IF NOT EXISTS adminusers (
+  id SERIAL PRIMARY KEY,
+  email VARCHAR(255) UNIQUE NOT NULL,
+  name VARCHAR(255) NOT NULL,
+  passwordhash TEXT NOT NULL,
+  role VARCHAR(50) DEFAULT 'admin',
+  createdat TIMESTAMP DEFAULT NOW(),
+  lastlogin TIMESTAMP
+);
+      `);
+    }
+
+    process.exit(1);
+  }
+}
+
+createTempAdmin();