emptygif
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Plug + Bandit Elixir

A Elixir snippet for Plug + Bandit that answers requests for /pixel.gif with the empty GIF, decoded once at startup.

Plug + Bandit Elixir

File
pixel.exs
Run
elixir pixel.exs
Mix.install([:plug, :bandit])

defmodule Pixel.Router do
  use Plug.Router

  @gif Base.decode64!("R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==")

  plug :match
  plug :dispatch

  get "/pixel.gif" do
    conn
    |> put_resp_content_type("image/gif", nil)
    |> put_resp_header("cache-control", "no-store")
    |> send_resp(200, @gif)
  end

  match _ do
    send_resp(conn, 404, "Not Found")
  end
end

Bandit.start_link(plug: Pixel.Router, port: 8080)
Process.sleep(:infinity)

We ran this snippet and compared the bytes it returned.

Check it

curl -sI http://localhost:8080/pixel.gif

Official site: Plug + Bandit

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