[Refactor] Update environment variables for database and API configuration

Author: chisa-dev

Backend/.env.example

@@ -5,16 +5,9 @@ NODE_ENV=development
 # Database Configuration
 DB_HOST=localhost
 DB_USER=root
-DB_PASSWORD=your_password
+DB_PASSWORD=admin
 DB_NAME=unihub_db
 
-# JWT Configuration
-JWT_SECRET=your_jwt_secret_key
-JWT_EXPIRES_IN=24h
-
-# API Configuration
-API_PREFIX=/api/v1 
-
 # Database Configuration (Additional)
 DB_PORT=3306
 DB_DIALECT=mysql
@@ -37,7 +30,16 @@ API_TITLE=UniHub API Documentation
 API_VERSION=1.0.0
 API_DESCRIPTION=API documentation for UniHub application
 API_URL=http://localhost:3000
+API_PREFIX=/api
+##http://unihub-api.horan.et/api
 API_SERVER_DESCRIPTION=Development server
 
 # Migrations
-MIGRATIONS_DIR=src/migrations
+MIGRATIONS_DIR=src/migrations
+
+
+# JWT Configuration
+JWT_SECRET=L35r5AyOj22+Ue4lRnAzFzUOjGeaMih1nAZjL1lqS90=
+JWT_EXPIRES_IN=24h
+
+OPENAI_API_KEY=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

Backend/src/app.js

@@ -79,7 +79,7 @@ const swaggerOptions = {
     },
     servers: [
       {
-        url: process.env.API_URL || (process.env.NODE_ENV === 'production' ? 'https://uni-hub-backend.vercel.app/api' : 'http://localhost:3000/api'),
+        url: `${process.env.API_URL }${process.env.API_PREFIX || '/api'}`,
         description: process.env.NODE_ENV === 'production' ? 'Production server' : 'Development server',
       },
     ],

Backend/src/config/swagger.js

@@ -11,7 +11,7 @@ const options = {
     },
     servers: [
       {
-        url: `${process.env.API_URL || 'http://localhost:' + (process.env.PORT || '3000')}${process.env.API_PREFIX || '/api'}`,
+        url: `${process.env.API_URL }${process.env.API_PREFIX || '/api'}`,
         description: process.env.API_SERVER_DESCRIPTION || 'Development server',
       },
     ],