Serverless Flask Application on AWS Lambda + DynamoDB

This an example of simple flask application that runs on AWS Lambda and writes data to AWS DynamoDB table after POST request.

Installation

Firstly, clone the repo.

Then, you need to have installed Serverless framework locally using npm:

npm install --save-dev serverless-wsgi serverless-python-requirements

Setup virtual environment inside the root of the clonned repo:

virtualenv venv --python=python3
source venv/bin/activate
pip install -r requirements.txt

Deployment tips

To deploy your application on AWS, you need to have AWS account with roles and user setup for Serverless.

After that, you can execute:

sls deploy

How to run DynamoDB locally

Install additional Serverless plugin for DynamoDB emulation:

npm install --save-dev serverless-dynamodb-local
sls dynamodb install

Run the DynamoDB emulator:

sls dynamodb start

And also run the Serverless application in separate terminal window:

sls wsgi serve

License

This sample code is made available under the MIT license. See the LICENSE file.