Implemented Backend logging framework

backend/.env

@@ -1,8 +1,9 @@
 JWT_SECRET="MAP_OF_PI"
 PLATFORM_API_URL=https://api.minepi.com
 PI_API_KEY=iyzjmicgaza9bh2nmqy6vjceyl7rdrpn94h4vdxxdog3inkf6vt96dfoqanfim1m
+VERCEL_ENV=localhost
 MONGODB_URL=mongodb+srv://mapofpi:mapofpi@mapofpi.vibqtx2.mongodb.net/mapofpiDB?retryWrites=true&w=majority
 PORT=8000
 FRONTEND_URL=http://localhost:4200
 MAP_OF_PI_URL1=https://mapofpi9975.pinet.com/
-MAP_OF_PI_URL2=https://mapofpi.com/
+MAP_OF_PI_URL2=https://mapofpi.com/

backend/.eslintrc.js

@@ -0,0 +1,15 @@
+module.exports = {
+    plugins: [
+        'jest',
+      ],
+    // Utilize the extendable recommended configurations
+    extends: [
+    //   'eslint:recommended', 
+      'plugin:node/recommended',
+      'plugin:jest/recommended'
+    ],
+    rules: {
+        'node/no-unsupported-features/es-syntax': ['error', { version: '>=20.0.0' }]
+    }
+};
+

backend/logger.js

@@ -0,0 +1,7 @@
+const winston = require('winston');
+const configureLogging = require('./logging-config');
+
+const loggingConfig = configureLogging();
+const logger = winston.createLogger(loggingConfig);
+
+module.exports = logger;

backend/logging-config.js

@@ -0,0 +1,34 @@
+const dotenv = require("dotenv");
+const winston = require('winston');
+
+dotenv.config();
+
+const configureLogging = () => {
+    console.log(`VERCEL_ENV: ${process.env.VERCEL_ENV}`);
+
+    // check if the app is running in localhost mode or sandbox
+    const isDevelopment = () => {
+        return process.env.VERCEL_ENV === "localhost" || process.env.VERCEL_ENV === "sandbox";
+    };
+
+    // determine the logging configuration based on the environment
+    if (isDevelopment()) {
+        return {
+            level: 'debug',
+            format: winston.format.cli(),
+            transports: [
+              new winston.transports.Console()
+            ]
+        };
+    } else {
+        return {
+            level: 'error',
+            format: winston.format.cli(),
+            transports: [
+              new winston.transports.Console()
+            ]
+        };
+    }
+}
+
+module.exports = configureLogging;