A (very) simple Vue application to enable voting across large numbers of users. The voting buttons trigger an API Gateway call to a Lambda function which stores the vote in DynamoDB. The front-end refreshes every 3 seconds.

This code is provided without any warranty. You are responsible for any AWS charges you incur. This is only provided for educational purposes.

• Read more about AWS Amplify.
• Read the tutorial accompanying this code: https://itnext.io/build-a-voting-website-that-doesnt-crash-part-two-now-with-amplify-9e4746b757e7.

Deploy this app to your AWS account with a single click:

The Amplify Console will fork this repo in your GitHub account, and then build and deploy your backend and frontend in a single workflow. Your app will be available at https://master.appid.amplifyapp.com.

npm install
amplify init
amplify push

Replace --table-name pollCounterDDB-dev with the name of the DynamoDB table created for your project.

You can use aws dynamodb list-tables to list your DynamoDB tables.

aws dynamodb put-item \
    --table-name pollCounterDDB-dev \
    --item '{
        "partitionKey": {"S": "poll-001" },
        "sortKey": {"S": "total"},
        "votesNo": {"N": "0"},
        "votesYes": {"N": "0"}
      }' \
    --return-consumed-capacity TOTAL

npm run serve

npm run build

npm run test

npm run lint

See Configuration Reference.