How to use AWS DynamoDB locally…

Is it possible to conduct all development related to DynamoDB locally and get SDK functions authored for you? The answer is Yes! Chances are most of us have unique situations for wanting to interact with DynamoDB locally, maybe it’s to develop and test different data models, perhaps it’s to develop programmatic functions to interact with the database, perhaps you want to reduce development expenses, or perhaps you’re just doing research.

Chances are most of us have unique situations for wanting to interact with DynamoDB locally, maybe it’s to develop and test different data models, perhaps it’s to develop programmatic functions to interact with the database, perhaps you want to reduce development expenses, or perhaps you’re just doing research. Regardless of your reasons, I want to help you by showing you how to leverage DynamoDB locally. We will use the following tools.

We will walk through setting up the local environment, generating data, uploading data, interacting with the noSQL Workbench, and some neat tips to keep in mind. So with that being said, let’s dive into into it!

Note: If you get lost, simply visit https://github.com/karl-cardenas-coding/dynamodb-local-example to view the end solution. Also, feel free to fork this template project and use it as a starting point.

Setting up the environment

First thing first, ensure that you have Terraform (> v0.12.0), noSQL Workbench, and localstack ( > v0.11.3) installed and working on your system. If you need help installing these resources checkout the three links below. Due to the abundance of resources for getting started available, I will skip ahead and assume you have them installed.

(Alternative) if you don’t want to use localstack, DynamoDB offers a docker image, you may use this option as well.

Localstack

First thing first, fire up localstack. If you installed it through pip then it’s as easy as issuing the command localstack start . Or if you used the localstack docker image then it’s as simple as docker run localstack/localstack . If everything starts up correctly then you should be seeing something similar to the screenshot below.

Note: localstack has plenty of parameters to pass in during startup. We are taking the defaults which starts majority of the mocked AWS services but there are plenty of other options worth checking out.

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WSL2 output through pip installation

porgramming golang aws terraform dynamodb amazon web services

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