resource "aws_security_group" "nginx_sg" {

vpc_id = aws_vpc.main.id

ingress {

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 = "nginx_sg"

}

}

resource "aws_lb" "nginx_lb" {

name = "nginx-lb"

internal = false

load_balancer_type = "application"

security_groups = [aws_security_group.nginx_sg.id]

subnets = [

aws_subnet.public.id,

aws_subnet.sub.id

]

}

resource "aws_lb_target_group" "nginx_tg" {

name = "nginx-tg"

port = 80

protocol = "HTTP"

vpc_id = aws_vpc.main.id

target_type = "ip"

}

resource "aws_lb_listener" "nginx_listener" {

load_balancer_arn = aws_lb.nginx_lb.arn

port = "80"

protocol = "HTTP"

default_action {

type = "forward"

target_group_arn = aws_lb_target_group.nginx_tg.arn

}

}