How do I manage AWS Cognito authentication within a VPC network?
In this guide, we will set up AWS Cognito for user authentication and place it within an AWS Virtual Private Cloud (VPC). This is useful for having more control over network security when dealing with user data and authentication processes. The guide includes setting up the VPC, subnets, an internet gateway, and a Cognito user pool.
Here is a detailed explanation followed by an example code block:
- VPC Network: We’ll create a VPC with CIDR block
10.0.0.0/16
to contain all our resources. - Subnets: Two subnets will be created, one public and one private, to distribute resources and ensure network security.
- Internet Gateway: This allows the VPC to communicate with the internet.
- Route Table: A route table to direct internet traffic to our internet gateway.
- Cognito User Pool: This is where user details and authentication configuration will reside.
import * as pulumi from "@pulumi/pulumi";
import * as aws from "@pulumi/aws";
// Create a VPC
const main = new aws.ec2.Vpc("main", {
cidrBlock: "10.0.0.0/16",
tags: {
Name: "main-vpc",
},
});
// Create a public subnet
const _public = new aws.ec2.Subnet("public", {
vpcId: main.id,
cidrBlock: "10.0.1.0/24",
mapPublicIpOnLaunch: true,
tags: {
Name: "public-subnet",
},
});
// Create a private subnet
const _private = new aws.ec2.Subnet("private", {
vpcId: main.id,
cidrBlock: "10.0.2.0/24",
tags: {
Name: "private-subnet",
},
});
// Create an Internet Gateway for the VPC
const mainInternetGateway = new aws.ec2.InternetGateway("main", {
vpcId: main.id,
tags: {
Name: "main-igw",
},
});
// Create a route table
const mainRouteTable = new aws.ec2.RouteTable("main", {
vpcId: main.id,
routes: [{
cidrBlock: "0.0.0.0/0",
gatewayId: mainInternetGateway.id,
}],
tags: {
Name: "main-route-table",
},
});
// Associate the public subnet with the route table
const publicRouteTableAssociation = new aws.ec2.RouteTableAssociation("public", {
subnetId: _public.id,
routeTableId: mainRouteTable.id,
});
// Create a Cognito User Pool
const mainUserPool = new aws.cognito.UserPool("main", {
name: "main-user-pool",
passwordPolicy: {
minimumLength: 8,
requireUppercase: true,
requireLowercase: true,
requireNumbers: true,
requireSymbols: false,
},
tags: {
Name: "main-user-pool",
},
});
export const vpcId = main.id;
export const publicSubnetId = _public.id;
export const privateSubnetId = _private.id;
export const internetGatewayId = mainInternetGateway.id;
export const userPoolId = mainUserPool.id;
This configuration sets up a robust foundation for AWS Cognito authentication within a secured VPC network. We created a VPC, the necessary subnets, an internet gateway, a route table, and a Cognito user pool. These resources will enable secure handling of user authentication and data within the VPC infrastructure.
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