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28 lines
620 B
Elixir
28 lines
620 B
Elixir
defmodule MyAppWeb.PageController do
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use MyAppWeb, :controller
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# serve index.html - cache the file after reading it to minimize IO
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@spec index(map, map) :: any
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def index(conn, _params) do
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# cache index.html if prod
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file = case Mix.env do
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:dev -> File.read!("./priv/static/index.html")
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_ ->
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file = Cachex.get(:myapp, "index.html")
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|> get_file
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end
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conn
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|> html(file)
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end
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defp get_file({:ok, data}), do: data
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defp get_file({:missing, _}) do
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file = File.read!("./priv/static/index.html")
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Cachex.set(:myapp, "index.html", file)
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file
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end
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end
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