feat: Enhance security and validation in backend

- Added helmet for security headers and configured content security policy
- Implemented CORS with a whitelist for allowed origins
- Introduced express-validator for input validation in API endpoints
- Set request size limits to prevent DoS attacks
- Added global error handling and 404 response
- Updated TypeScript configuration to use node16 module resolution
- Improved Docker Compose configuration for security and resource limits
- Created a comprehensive .env.example for environment configuration
- Implemented automated security scans in CI/CD with Trivy
- Added cleanup script for debugging ports
- Established a detailed security policy document

.vscode/launch.json

@@ -2,71 +2,49 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "🚀 Debug Backend",
-      "type": "node",
-      "request": "launch",
-      "runtimeExecutable": "npx",
-      "runtimeArgs": [
-        "ts-node-dev",
-        "--respawn",
-        "--transpile-only",
-        "--no-notify"
-      ],
-      "args": ["src/index.ts"],
-      "cwd": "${workspaceFolder}/backend",
-      "env": {
-        "NODE_ENV": "development"
-      },
-      "console": "integratedTerminal",
-      "skipFiles": ["<node_internals>/**"],
-      "sourceMaps": true,
-      "restart": true,
-      "outputCapture": "std",
-      "presentation": {
-        "group": "fullstack",
-        "panel": "new"
-      },
-      "postDebugTask": "🛑 Terminate All Development Processes"
-    },
-    {
-      "name": "🌐 Debug Frontend (Chrome)",
+      "name": "Debug Vite",
       "type": "chrome",
       "request": "launch",
       "url": "http://localhost:3000",
-      "webRoot": "${workspaceFolder}/frontend/src",
-      "skipFiles": ["<node_internals>/**"]
+      "webRoot": "${workspaceFolder}/Client",
+      "skipFiles": ["<node_internals>/**"],
+      "preLaunchTask": "Start Vite (after backend ready)"
     },
     {
-      "name": "🔧 Debug Frontend (Edge)",
-      "type": "msedge",
+      "name": "Debug Backend",
+      "type": "node",
       "request": "launch",
-      "url": "http://localhost:3000",
-      "webRoot": "${workspaceFolder}/frontend/src",
+      "runtimeExecutable": "npx",
+      "args": ["tsx", "watch", "--inspect=9229", "./src/index.ts"],
+      "cwd": "${workspaceFolder}/Server",
+      "console": "integratedTerminal",
+      "skipFiles": ["<node_internals>/**"],
+      "preLaunchTask": "Clean Debug Ports",
+      "envFile": "${workspaceFolder}/Server/.env",
+      "env": {
+        "PORT": "3001"
+      }
+    },
+
+
+    {
+      "name": "Debug Jest Tests",
+      "type": "node",
+      "request": "launch",
+      "program": "${workspaceFolder}/Server/node_modules/jest/bin/jest.js",
+      "args": [
+        "--config=Server/tests/jest.config.cjs",
+        "--runInBand"
+      ],
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
       "skipFiles": ["<node_internals>/**"]
     }
   ],
   "compounds": [
     {
-      "name": "🚀🌐 Debug Full Stack (Chrome)",
-      "preLaunchTask": "🌐 Frontend",
-      "configurations": ["🚀 Debug Backend", "🌐 Debug Frontend (Chrome)"],
-      "stopAll": true,
-      "presentation": {
-        "hidden": false,
-        "group": "fullstack",
-        "order": 1
-      }
-    },
-    {
-      "name": "🚀🔧 Debug Full Stack (Edge)",
-      "preLaunchTask": "🌐 Frontend",
-      "configurations": ["🚀 Debug Backend", "🔧 Debug Frontend (Edge)"],
-      "stopAll": true,
-      "presentation": {
-        "hidden": false,
-        "group": "fullstack",
-        "order": 2
-      }
+      "name": "Compound Debug",
+      "configurations": ["Debug Vite", "Debug Backend"]
     }
   ]
 }