Contents

• About
• Setup and installation (development)
• Production

About

Omnicron is a a functional reactive library for building event-sourced frontends and backends. For an excellent introduction to event-sourcing see Introducing event-sourcing from the free e-book Exploring CQRS and Event Sourcing.

Omnicron comes with a DynamoDB event journal for persistence. Frontend clients can create websocket connections in order to replay events and submit commands.

Setup and installation (development)

1. npm install

2. Download and run dynamodb

    wget http://dynamodb-local.s3-website-us-west-2.amazonaws.com/dynamodb_local_latest.tar.gz -O dynamodb.tar.gz
    mkdir dynamodb-local
    tar -xzf ./dynamodb.tar.gz -C ./dynamodb-local
    java -Djava.library.path=./dynamodb-local/DynamoDBLocal_lib -jar ./dynamodb-local/DynamoDBLocal.jar -inMemory &
   

3. npm start

Production

npm build