scrogson

#[macro_use]
extern crate hyper;
extern crate reqwest;

use reqwest;
use std::io::Read;

header! { (ContentType, "Content-Type") => [String] }
header! { (ContentLength, "Content-Length") => [usize] }

scrogson

FROM node:12.2-slim as assets

WORKDIR /app/assets

COPY assets/package*.json ./

RUN npm install

# Copy the entire app so we can put files into /app/priv/static
COPY . /app

scrogson

// OK so to start with here's the EventHandler trait, just like slack-rs
pub trait EventHandler {
    // I don't know what kind of thing EventData should be.
    // maybe Json? whatever events actually are in phoenix.
    fn on_event(&mut self, channel_name: &str, event_type: &str, event_data: EventData);
    fn on_connect(&mut self, ...);
    fn on_close(&mut self, ...);
}

fn login_and_run<H: EventHandler>(handler: H, ...) {...}

scrogson

1) install npm packages
2) update brunch-config.js
3) remove Bootstrap from web/static/css/app.css
4) rename web/static/css/app.css to web/static/css/app.scss
5) update web/static/css/app.scss

scrogson

Using OTP's observer (appmon replacement) remotely

$ ssh remote-host "epmd -names"
epmd: up and running on port 4369 with data:
name some_node at port 58769

Note the running on port for epmd itself and the port of the node you're interested in debugging. Reconnect to the remote host with these ports forwarded:

$ ssh -L 4369:localhost:4369 -L 58769:localhost:58769 remote-host

scrogson

defmodule SimpleSup do
  @moduledoc """
  This file shows methods for starting a configurable number of children under
  a `:simple_one_for_one` supervisor.

  When the supervision tree is first started all methods behave the same, `size`
  children are started and the `:starter` returns `:ignore`. However if the
  restart limit for those children is reached the `:simple_one_for_one`
  supervisor will be restarted and then the `:starter`. It is possible that the
  `:simple_one_for_one` is restarted successfully but the `:starter` fails to

scrogson

defmodule MyApp.CommentView do
  use MyApp.Web, :view
  @attributes ~W(id name inserted_at)
  
  def render("index.json", %{data: comments}) do
    for comment <- comments, do: render("show.json", %{data: comment})
  end
  
  def render("show.json", %{data: comment}) do
    comment