SNS Topic Subscriptions Filter Demo

Demo of an Amazon Simple Notification Service (SNS) topic with multiple email subscriptions and how to add subscription filtering in SNS.

Steps

Requirements

Requirements for any CDK app, in general, check out: Getting Started with the AWS CDK

Specific to CDK apps in Python: Working with the AWS CDK in Python

Clone the repository

cd into the project

Create a virtual environment with venv

python3 -m venv .venv

Activate venv environment

source .venv/bin/activate

Install package dependencies

This repo requires aws-cdk-lib 2.137.0. See requirements.txt for package dependencies.

Install into the venv virtual environment for this project:

pip install -r requirements.txt

Create .env file with your variable values

export IAC_PARAM_WELCOME_TEAM_EMAIL_ADDRESS=
export IAC_PARAM_EMAIL_ADDRESS=

Activate environment variables

source .env

source tells bash interpreter to execute the commands in the file

export makes the value available to the shell processes

Deploy to AWS account/region

cdk deploy

cdk deploy initiate deploying to the default AWS account/region configured with the AWS CLI

Confirm subscriptions

Confirm the email subscriptions in order to receive the SNS Topic messages published by lambda function URL invocations.

Blog post and Resource links:

EDA Messaging: SNS Topic Subscriptions Filter Demo