Error trying to deploy to Heroku

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1

Hi there!

I’m trying to deploy a Telegram Bot to Heroku using ExGram with the following repo.
I’m not using Phoenix, do I need it for this?
In my config.exs, I only have:

import Config

config :ex_gram, token: System.fetch_env!("BOT_TOKEN")

The bot works fine locally, but when I deploy it with Heroku, I get the following error:

2022-01-29T14:58:16.594522+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 60 seconds of launch
2022-01-29T14:58:16.622447+00:00 heroku[web.1]: Stopping process with SIGKILL
2022-01-29T14:58:16.756426+00:00 heroku[web.1]: Process exited with status 137
2022-01-29T14:58:16.814441+00:00 heroku[web.1]: State changed from starting to crashed

The bot seems to run for a couple of seconds before the error.
Maybe I’m missing something in my configuration?
I’m starting it with with mix run --no-halt, is this the way to do it?
I have tried googling this issue but every answer that comes up is about Elixir + Phoenix.
Please, let me know if you need more information to answer me and thanks :slight_smile: .

2

Heroku is complaining that it can’t contact your app’s HTTP endpoint on the port that it assigned to your app ($PORT).

If your app is a web app, you need to configure it to listen to that port. If not, you could try telling Heroku that the process type is worker by updating your Procfile.

3

Hi, thanks for the answer :slight_smile:.

Yes, seems like I need to configure the app to listen to $PORT. But I can’t figure out how to to do it. Do I have to use some dependency, or to configure it via Elixir somehow?

Sorry, I’m kinda new to this.

4

Since you’re new I’d recommend using Phoenix because there’s lots of guides for running Phoenix in production:

But you can also adapt those for your chosen web server.

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