Lambda & DynamoDB Integration
Develop Lambda functions that interact with DynamoDB to perform CRUD operations, building data-driven serverless backends.
Lambda & DynamoDB: The Power Duo
Welcome to integrating AWS Lambda with DynamoDB! This combination is a cornerstone for building powerful, serverless backends.
AWS Lambda provides the compute power to run your code without managing servers, while DynamoDB offers a fast, flexible NoSQL database that scales automatically.
Together, they allow you to create data-driven applications that handle create, read, update, and delete (CRUD) operations efficiently.
Granting Lambda DynamoDB Access
Before your Lambda function can interact with DynamoDB, it needs permission. This is managed through an IAM Role attached to your Lambda function.
The IAM role must have a policy that grants specific DynamoDB actions, such as:
dynamodb:PutItem(for creating/updating)dynamodb:GetItem(for reading)dynamodb:UpdateItem(for modifying parts of an item)dynamodb:DeleteItem(for removing items)
Always follow the principle of least privilege: grant only the permissions necessary.
All lessons in this course
- Introduction to DynamoDB
- Designing DynamoDB Tables
- Lambda & DynamoDB Integration
- Querying with Secondary Indexes: GSIs and LSIs