Minimal repository for phoenix timeout issue

Issue

If the API endpoint process the request for more than 60 seconds, phoenix server times out.

Demo

To start your Phoenix server:

Install dependencies with mix deps.get
Install Node.js dependencies with cd assets && npm install
Start Phoenix endpoint with mix phx.server

Now you can visit localhost:4000 from your browser.

Solution

You can change http config in config.exs/dev.exs as below to set the timeout.

http: [port: 4001, protocol_options: [idle_timeout: 70_000]] OR http: [port: 4001, protocol_options: [idle_timeout: :infinity]]