eip_nat.tf

# Elastic IP
resource "aws_eip" "elastic_ip" {
  vpc      = true
}
# NAT gateway
resource "aws_nat_gateway" "nat_gateway" {
  depends_on = [
    aws_subnet.public_subnet,
    aws_eip.elastic_ip,
  ]
  allocation_id = aws_eip.elastic_ip.id
  subnet_id     = aws_subnet.public_subnet.id
  tags = {
    Name = "nat-gateway"
  }
}