Example CDK for a VPC

vpc_cdk.py

ec2.Vpc(self, id=f'{resources_prefix}-VPC',
                           cidr='10.40.0.0/16',  
                           max_azs=1,
                           enable_dns_hostnames=True,
                           enable_dns_support=True,
                           subnet_configuration=[
                               ec2.SubnetConfiguration(
                                   name="Public",
                                   subnet_type=ec2.SubnetType.PUBLIC,
                                   cidr_mask=24 
                               )
                           ],
                           nat_gateways=None 
                           )