text changes and remove infra folder

backend/config/aws.js

@@ -18,7 +18,7 @@ function getAWSCredentials() {
  */
 function getAWSConfig() {
   const config = {
-    region: process.env.AWS_REGION || "us-east-1",
+    region: process.env.AWS_REGION,
   };
 
   const credentials = getAWSCredentials();

backend/config/database.js

@@ -8,7 +8,7 @@ if (!process.env.DB_NAME && process.env.NODE_ENV) {
   const result = dotenv.config({ path: envFile });
   if (result.error && process.env.NODE_ENV !== "production") {
     console.warn(
-      `Warning: Could not load ${envFile}, using existing environment variables`
+      `Warning: Could not load ${envFile}, using existing environment variables`,
     );
   }
 }
@@ -20,7 +20,7 @@ const dbConfig = {
   password: process.env.DB_PASSWORD,
   database: process.env.DB_NAME,
   host: process.env.DB_HOST,
-  port: process.env.DB_PORT || 5432,
+  port: process.env.DB_PORT,
   dialect: "postgres",
   logging: false,
   pool: {
@@ -52,7 +52,7 @@ const sequelize = new Sequelize(
     dialect: dbConfig.dialect,
     logging: dbConfig.logging,
     pool: dbConfig.pool,
-  }
+  },
 );
 
 // Export the sequelize instance as default (for backward compatibility)