diff --git a/application_load_balancer/README.md b/application_load_balancer/README.md
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+++ b/application_load_balancer/README.md
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+# application_load_balancer
+  
+These templates implements a application load balancer, and associated necessary steps require for loadbalancing. We used below services : 
+
+- Security groups for instances and loadbalancer
+- Target grout attachment for instances
+- Template for launching instances
+- Load balancer
+
+
+-- Mention your region, secret and access keys, vpc_id, subnet_ids and ami_id required in the templates.
+
+To run these templates, clone the repository and run `terraform apply` within its own directory.
+
+For example:
+
+```tf
+$ git clone https://github.com/wardviaene/terraform-course.git
+$ cd terraform-course/application_load_balancer/
+$ terraform apply
+```
diff --git a/application_load_balancer/instances.tf b/application_load_balancer/instances.tf
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+++ b/application_load_balancer/instances.tf
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+resource "aws_instance" "web1" {
+  ami           = "enter-ami-id"
+  instance_type = "t2.micro"
+  subnet_id   = "enter-subnet-id"
+  vpc_security_group_ids = [aws_security_group.allow_http_instances.id]
+  key_name = "enter-key-name"
+  provisioner "remote-exec" {
+    inline = [
+      "sudo yum install httpd -y",
+      "sudo service httpd start",
+      "sudo chkconfig httpd on"
+    ]
+
+    connection {
+    type     = "ssh"
+    user     = "ec2-user"
+    host     = aws_instance.web.public_ip
+    private_key = file("${path.module}/key-name.pem")
+  }  
+    
+}
+}
+
+resource "aws_instance" "web2" {
+  ami           = "enter-ami-id"
+  instance_type = "t2.micro"
+  subnet_id   = "enter-your-subnet-id"
+  vpc_security_group_ids = [aws_security_group.allow_http_instances.id]
+  key_name = "enter-key-name"
+  provisioner "remote-exec" {
+    inline = [
+      "sudo yum install https -y",
+      "sudo service httpd start",
+      "sudo chkconfig httpd on"
+    ]
+
+    connection {
+    type     = "ssh"
+    user     = "ec2-user"
+    host     = aws_instance.web2.public_ip
+    private_key = file("${path.module}/kay-name.pem")
+  }  
+    
+}
+}
diff --git a/application_load_balancer/loadbalancer.tf b/application_load_balancer/loadbalancer.tf
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+++ b/application_load_balancer/loadbalancer.tf
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+resource "aws_lb" "my-lb" {
+  name               = "lb-tf"
+  internal           = false
+  load_balancer_type = "application"
+  security_groups    = [aws_security_group.allow_http.id]
+  # Enter you subnet ids under vpc below
+  subnets            = ["subnet-id1","subnet-id2","subnet-id3","subnet-id4"]
+
+  enable_deletion_protection = false
+
+
+
+  tags = {
+    name = "my-first-load-balancer"
+  }
+}
+
+resource "aws_lb_listener" "front_end" {
+  load_balancer_arn = aws_lb.my-lb.arn
+  port              = "80"
+  protocol          = "HTTP"
+  
+  default_action {
+    type             = "forward"
+    target_group_arn = aws_lb_target_group.target-lb.arn
+  }
+}
diff --git a/application_load_balancer/provider.tf b/application_load_balancer/provider.tf
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+++ b/application_load_balancer/provider.tf
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+provider "aws" {
+  region     = "Enter_Region"
+  access_key = "Enter_Access_Key"
+  secret_key = "Enter_Secret_Key"
+}
diff --git a/application_load_balancer/security_group.tf b/application_load_balancer/security_group.tf
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+++ b/application_load_balancer/security_group.tf
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+resource "aws_security_group" "allow_http" {
+  name        = "alb_http"
+  description = "Allow http traffic to alb"
+  vpc_id      = "enter_vpc_id"
+
+  ingress {
+    description = "http for alb"
+    from_port   = 80
+    to_port     = 80
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  tags = {
+    Name = "allow_http_alb"
+  }
+}
+
+resource "aws_security_group" "allow_http_instances" {
+  name        = "instances_http"
+  description = "Allow http traffic to instances"
+  vpc_id      = "enter_vpc_id"
+
+  ingress {
+    description = "http for instances"
+    from_port   = 80
+    to_port     = 80
+    protocol    = "tcp"
+    security_groups = [aws_security_group.allow_http.id]
+  }
+
+ingress {
+    description = "ssh for instances"
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  tags = {
+    Name = "allow_http_instaces"
+  }
+}
diff --git a/application_load_balancer/target_group_attach.tf b/application_load_balancer/target_group_attach.tf
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+++ b/application_load_balancer/target_group_attach.tf
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+resource "aws_lb_target_group" "target-lb" {
+  name     = "lb-tg"
+  port     = 80
+  protocol = "HTTP"
+  vpc_id   = "enter_vpc_id"
+}
+resource "aws_lb_target_group_attachment" "test1" {
+  target_group_arn = aws_lb_target_group.target-lb.arn
+  target_id        = aws_instance.web1.id
+  port             = 80
+}
+resource "aws_lb_target_group_attachment" "test2" {
+  target_group_arn = aws_lb_target_group.target-lb.arn
+  target_id        = aws_instance.web2.id
+  port             = 80
+}