diff --git a/01_05_base/main.tf b/01_05_base/main.tf
index e8f85d8..7e9f8c7 100644
--- a/01_05_base/main.tf
+++ b/01_05_base/main.tf
@@ -10,7 +10,7 @@ variable "ssh_key_name" {}
 variable "private_key_path" {}
 
 variable "region" {
-  default = "us-east-2"
+  default = "us-east-1"
 }
 
 variable "vpc_cidr" {
diff --git a/02_01_variables/main.tf b/02_01_variables/main.tf
index ff9d644..2168d73 100644
--- a/02_01_variables/main.tf
+++ b/02_01_variables/main.tf
@@ -64,6 +64,10 @@ variable "environment_instance_settings" {
   }
 }
 
+variable "deploy_environment" {
+  default = "DEV"
+}
+
 # //////////////////////////////
 # PROVIDERS
 # //////////////////////////////
@@ -141,14 +145,14 @@ resource "aws_security_group" "sg-nodejs-instance" {
 # INSTANCE
 resource "aws_instance" "nodejs1" {
   ami = data.aws_ami.aws-linux.id
-  instance_type = var.environment_instance_type["DEV"]
+  instance_type = var.environment_instance_type[var.deploy_environment]
   //instance_type = var.environment_instance_settings["PROD"].instance_type
   subnet_id = aws_subnet.subnet1.id
   vpc_security_group_ids = [aws_security_group.sg-nodejs-instance.id]
 
-  monitoring = var.environment_instance_settings["PROD"].monitoring
+  monitoring = var.environment_instance_settings[var.deploy_environment].monitoring
 
-  tags = {Environment = var.environment_list[0]}
+  tags = {Environment = var.environment_map[var.deploy_environment]}
 
 }
 
diff --git a/02_02-07_variables/main.tf b/02_02-07_variables/main.tf
index e2bea6c..56395b0 100644
--- a/02_02-07_variables/main.tf
+++ b/02_02-07_variables/main.tf
@@ -182,4 +182,8 @@ data "aws_ami" "aws-linux" {
 # //////////////////////////////
 output "instance-dns" {
   value = aws_instance.nodejs1.public_dns
+}
+
+output "private-dns" {
+  value = aws.instance.nodejs1.private_dns
 }
\ No newline at end of file
diff --git a/02_10_count/main.tf b/02_10_count/main.tf
index f96932b..91cc584 100644
--- a/02_10_count/main.tf
+++ b/02_10_count/main.tf
@@ -143,8 +143,8 @@ resource "aws_security_group" "sg-nodejs-instance" {
 }
 
 # INSTANCE
-resource "aws_instance" "nodejs1" {
-  //count = 4
+resource "aws_instance" "node_instances" {
+  count = 4
 
   ami = data.aws_ami.aws-linux.id
   instance_type = var.environment_instance_settings["PROD"].instance_type
@@ -156,6 +156,12 @@ resource "aws_instance" "nodejs1" {
   tags = {Environment = var.environment_list[0]}
 }
 
+resource "aws_iam_user" "iam-users" {
+  for_each = var.iam_accounts
+
+  name = each.key  
+}
+
 
 # //////////////////////////////
 # DATA
@@ -186,5 +192,5 @@ data "aws_ami" "aws-linux" {
 # OUTPUT
 # //////////////////////////////
 output "instance-dns" {
-  value = aws_instance.nodejs1.public_dns
+  value = aws_instance.node_instances.*.public_dns
 }
\ No newline at end of file
diff --git a/04_04_terraform_cloud_cli/backend.tf b/04_04_terraform_cloud_cli/backend.tf
index 1119b39..c58deea 100644
--- a/04_04_terraform_cloud_cli/backend.tf
+++ b/04_04_terraform_cloud_cli/backend.tf
@@ -1,6 +1,6 @@
 terraform {
   backend "remote" {
-    organization = "red30"
+    organization = "kasunn25"
 
     workspaces {
       name = "cli-workspace"
diff --git a/04_05_terraform_cloud_vcs/variables.tf b/04_05_terraform_cloud_vcs/variables.tf
index 06a0e24..003d79d 100644
--- a/04_05_terraform_cloud_vcs/variables.tf
+++ b/04_05_terraform_cloud_vcs/variables.tf
@@ -17,7 +17,7 @@ variable "instance_count" {
 variable "instance_tags" {
     type = map
     default = {
-      "environment" = "dev"
+      "environment" = "staging"
     }
 }
 # //////////////////////////////