security_group.tf

resource "aws_security_group" "public_security" {
    name        = "public_security"
    description = "security group for public instance"
    vpc_id      = aws_vpc.vpc.id

    ingress {
        from_port   = 0
        to_port     = 65535
        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"]
    }
}

resource "aws_security_group" "private_security" {
    name        = "private_security"
    description = "security group for private instance"
    vpc_id      = aws_vpc.vpc.id

    ingress {
        from_port   = 0
        to_port     = 65535
        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"]
    }
}

resource "aws_security_group" "db_security" {
    name        = "db_security"
    description = "security group for db"
    vpc_id      = aws_vpc.vpc.id

    ingress {
        from_port   = 0
        to_port     = 65535
        protocol    = "tcp"
        cidr_blocks = ["180.71.20.47/32"]
    }

    egress {
        from_port   = 0
        to_port     = 0
        protocol    = "-1"
        cidr_blocks = ["0.0.0.0/0"]
    }
}