Sending Selfies Without Servers: How To Use Twilio MMS, Amazon Lamba, and Amazon’s API Gateway

A serverless MMS app was built using Amazon Lambda, API Gateway, and Twilio, allowing users to send selfies without setting up backend servers. The app uses DynamoDB for user data storage and S3 for image storage, with a 100% serverless architecture. A step-by-step guide is provided on how to configure, develop, and deploy the app on AWS, including creating Lambda functions, API Gateway endpoints, and IAM roles. The app sends a publicly accessible link to the stored image after receiving an MMS, and it can be tested by sending an MMS to a Twilio number or using a Chrome Extension Advanced Rest Client. Troubleshooting tips are also included, such as ensuring the correct IAM role is used for Lambda interactions.

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