vpc_setup_nat.tf

resource "aws_route_table" "main-private" {
    vpc_id = "${aws_vpc.main.id}"
    route {
        cidr_block = "0.0.0.0/0"
        nat_gateway_id = "${aws_nat_gateway.nat-gw.id}"
    }

    tags {
        Name = "main-private-1"
    }
}
# route associations private
resource "aws_route_table_association" "main-private-1-a" {
    subnet_id = "${aws_subnet.main-private-1.id}"
    route_table_id = "${aws_route_table.main-private.id}"
}
resource "aws_route_table_association" "main-private-2-a" {
    subnet_id = "${aws_subnet.main-private-2.id}"
    route_table_id = "${aws_route_table.main-private.id}"
}
resource "aws_route_table_association" "main-private-3-a" {
    subnet_id = "${aws_subnet.main-private-3.id}"
    route_table_id = "${aws_route_table.main-private.id}"
}