Fundamentos de rede em VPC na AWS

resource "aws_vpc" "main" {
  cidr_block = "10.0.0.0/16"
}

# Public subnet with IGW route
resource "aws_subnet" "public" {
  vpc_id                  = aws_vpc.main.id
  cidr_block              = "10.0.1.0/24"
  map_public_ip_on_launch = true
}

# Private subnet with NAT route
resource "aws_subnet" "private" {
  vpc_id     = aws_vpc.main.id
  cidr_block = "10.0.2.0/24"
}

# NAT Gateway in public subnet
resource "aws_nat_gateway" "main" {
  allocation_id = aws_eip.nat.id
  subnet_id     = aws_subnet.public.id
}

# List route tables
aws ec2 describe-route-tables \
  --filters "Name=vpc-id,Values=vpc-xxx" \
  --query 'RouteTables[*].{ID:RouteTableId,Routes:Routes}'

# Check NAT Gateway status
aws ec2 describe-nat-gateways \
  --filter "Name=vpc-id,Values=vpc-xxx"