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# System prepended metadata

title: Capstone Architecture

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# Capstone Architecture
![](https://i.imgur.com/RLA7Jvw.jpg)

The project is following monolith architecture style with the following services:
1. Nginx with statically build frontend
1. Backend divided into following modules:
    1. Auth -- authentication and permission submodule (relies on django abstractions)
    2. Users -- user managment module
    3. Booking -- booking managment module
    4. Washing machines with background tasks module -- module responsible for async communication with washing machines via message bus
1. Broker -- message broker used for backend's background tasks
1. DB -- PostgreSQL storing all the persistent data
1. Message bus -- MQTT broker for communicating with smart plugs
1. Smart plug -- vendor produced smart plug controlled via message bus