DynamoDB Local

What DynamoDB Local is

DynamoDB Local lets developers build and test applications without connecting to the DynamoDB web service. It can run offline during development, and AWS says local use can help avoid throughput, storage, and data-transfer fees. The tool is available as a downloadable archive, an Apache Maven dependency, or a Docker image, with documented use through the AWS CLI, AWS SDKs, Docker Compose, Maven, and AWS CloudShell. Data can be stored in a local database file or kept in memory; memory-only data disappears when DynamoDB Local stops. The downloadable version requires configured credentials, though AWS says they do not need to be valid AWS credentials for local access. AWS identifies v3.x as current and recommends it for local development and testing. Running v2.6.0 or later requires JRE 17.x or newer. DynamoDB Local collects generic usage metrics, system and environment information, and errors; AWS says it does not collect personal or sensitive project-level information. Telemetry can be disabled. AWS describes the tool as intended for development and testing, not production.