feat: implement deployment workflow and configure PM2 for backend and frontend applications

frontend/ecosystem.config.js

@@ -0,0 +1,14 @@
+module.exports = {
+  apps: [{
+    name: 'portfolio-frontend',  // A name for your application in PM2
+    script: 'npm',               // Tell PM2 to run an npm command
+    args: 'start',               // The argument to pass to npm, which runs 'next start'
+    instances: 1,                // Run a single instance of the application
+    autorestart: true,           // Automatically restart if the app crashes
+    watch: false,                // Do NOT watch for file changes in production
+    max_memory_restart: '512M',  // Restart if it uses more than 512MB of RAM
+    env: {
+      NODE_ENV: 'production',    // Set the environment to production
+    }
+  }]
+};