Infrastructure as code framework used: AWS SAM AWS Services used: AWS Lambda, AWS AppConfig
In this demo you will see:
- How to create a Lambda function that uses Lambda Extensions
- How to use the AppConfig Lambda Extensions in a Lambda function
- How to use feature flags in your Lambda function
This demo is part of a video posted in FooBar Serverless channel. You can check the video to see the whole demo.
Important: this application uses various AWS services and there are costs associated with these services after the Free Tier usage - please see the AWS Pricing page for details. You are responsible for any AWS costs incurred. No warranty is implied in this example.
- AWS CLI already configured with Administrator permission
- AWS SAM CLI installed - minimum version 1.37.0 (sam --version)
- NodeJS 14.x installed
We will be using AWS SAM and make sure you are running the latest version - at the time of writing, this was 1.37.0 (sam --version).
Deploy the project to the cloud:
sam deploy -g # Guided deployments
When asked about functions that may not have authorization defined, answer (y)es. The access to those functions will be open to anyone, so keep the app deployed only for the time you need this demo running.
Next times, when you update the code, you can build and deploy with:
sam deploy
To delete the app:
sam delete
- Video with more details: Feature Flags for Lambda, using AWS AppConfig