The vote interface is then available on port 80 on each host of the cluster, the result one is available on port 5001.

Architecture
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[Architecture diagram](architecture.png)

* A front-end web app in [Python](/vote) or [ASP.NET Core](/vote/dotnet) which lets you vote between two options
* A [Redis](https://hub.docker.com/_/redis/) or [NATS](https://hub.docker.com/_/nats/) queue which collects new votes
* A [.NET Core](/worker/src/Worker), [Java](/worker/src/main) or [.NET Core 2.1](/worker/dotnet) worker which consumes votes and stores them in…
* A [Postgres](https://hub.docker.com/_/postgres/) or [TiDB](https://hub.docker.com/r/dockersamples/tidb/tags/) database backed by a Docker volume
* A [Node.js](/result) or [ASP.NET Core SignalR](/result/dotnet) webapp which shows the results of the voting in real time


Note
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Author: Nived Velayudhan

The voting application only accepts one vote per client. It does not register votes if a vote has already been submitted from a client.