FullStack

After been building infrastrcutre for millions of IoT devices connected to a Phoenix Backend, sending data and enable people to track everything real-time with Liveview and provide services to third-parties from APIs, I decided to share the knowledge with the community.

If you want to learn more about the journey and the product, you can watch the conference at ElixirConf US 2023

I have seen lot of times this table from "Elixir in Action" book, and want to show how easy can actually is to enable this features in a real system.

The abstract idea

Elixir, Erlang, OTP,the BEAM,Phoenix & Liveview and Nerves, is an amazing stack to build a rea-time distributed IoT platform.

Key components from the Web Framework

flowchart TD
    J["Endpoint"] <--> F["Router"]
    F <-- Handles Requests --> C("Cowboy - (HTTP & WebSocket)")
    A["LiveView (reactive controller)"] <-- Monitor current Connections --> B["Presence"]
    E("PubSub - (Message Queue)") --> A
    A <-- serves --> C
    A <--> D["Business Logic API Layer"]
    E <-- broadcast --> D
    D <-- Caches Data --> H("ETS - (In-Memory Key-Value Store)")
    D <-- Handles --> G("GenServers - (Background Job)") & I("Task - (Long Running Request)")

    style J fill:#e85102,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style F fill:#e85102,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style C fill:#e85102,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style A fill:#e85102,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style B fill:#e85102,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style E fill:#e85102,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style D fill:#8205a8,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style H fill:#a80513,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style G fill:#a80513,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    style I fill:#a80513,stroke:#ccc,stroke-width:2px,color:#FFFFFF
    linkStyle 0 stroke:#757575

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