Use mix because I want the elixir depdency for QR generation

Dockerfile

@@ -1,11 +1,19 @@
-FROM gleamlang/gleam:0.9.0-rc1
+FROM gleamlang/gleam:0.9.0-rc1 as build
 
-RUN apt-get update && apt-get install -y inotify-tools
+FROM elixir:1.10.3
 
+COPY --from=build /bin/gleam /bin
+RUN gleam --version
+
+# NOTE the WORKDIR should not be the users home dir as the will copy container cookie into host machine
 WORKDIR /opt/app
+RUN mix local.hex --force && mix local.rebar --force
 
+# TODO mount volumes including gen
 COPY . .
+RUN mix deps.get
+# RUN mix compile mix_gleam
+RUN mix compile
+RUN mix test
 
-# Done so generated files are available to heroku run bash
-RUN rebar3 upgrade && rebar3 release
-CMD ["_build/default/rel/app/bin/app","foreground"]
+CMD ["./bin/start"]

bin/start

@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+set -eu
+
+mix local.hex --force && mix local.rebar --force
+mix deps.get --force
+
+elixir --sname app -S mix run --no-halt

docker-compose.yml

@@ -1,14 +1,18 @@
 version: "3"
 
+volumes:
+  underscore_build:
+  deps:
 services:
   app:
     build:
       context: "."
       dockerfile: "Dockerfile"
     volumes:
       - .:/opt/app
+      # - underscore_build:/opt/app/_build
+      # - deps:/opt/app/deps
     network_mode: host
     environment:
       - PORT=8080
       - FRONTEND_URL=http://localhost:5000
-    command: "./watch.sh"

heroku.yml

@@ -1,5 +1,3 @@
 build:
   docker:
     web: Dockerfile
-run:
-  web: _build/default/rel/app/bin/app foreground

mix.exs

@@ -0,0 +1,40 @@
+defmodule QrPush.Mixfile do
+  use Mix.Project
+
+  def project do
+    [
+      app: :qr_push,
+      version: "0.1.0",
+      elixir: "~> 1.10",
+      erlc_paths: ["src", "gen"],
+      compilers: [:gleam | Mix.compilers()],
+      # aliases: [
+      #   "compile.gleam": fn _ ->
+      #     System.cmd("gleam", ["build"])
+      #     :ok
+      #   end
+      # ],
+      start_permanent: Mix.env() == :prod,
+      deps: deps()
+    ]
+  end
+
+  # Run "mix help compile.app" to learn about applications.
+  def application do
+    [
+      extra_applications: [:logger],
+      mod: {:qr_push@application, []}
+    ]
+  end
+
+  # Run "mix help deps" to learn about dependencies.
+  defp deps do
+    [
+      {:mix_gleam, "~> 0.1.0"},
+      # {:gleam_stdlib, "~> 0.9.0"}
+      {:gleam_stdlib, github: "gleam-lang/stdlib", manager: :rebar3, override: true},
+      {:base32, "~> 0.1.0"},
+      {:midas, github: "midas-framework/midas", manager: :rebar3}
+    ]
+  end
+end

mix.lock

@@ -0,0 +1,6 @@
+%{
+  "base32": {:hex, :base32, "0.1.0", "044f6dc95709727ca2176f3e97a41ddaa76b5bc690d3536908618c0cb32616a2", [:rebar3], [], "hexpm", "10a73951d857d8cb1eceea8eb96c6941f6a76e105947ad09c2b73977dee07638"},
+  "gleam_stdlib": {:git, "https://github.com/gleam-lang/stdlib.git", "f88c132f3407f85a4580968d149c0f53a50d06b6", []},
+  "midas": {:git, "https://github.com/midas-framework/midas.git", "c07a7b7875927b4e1e3cbf4d07eeebcf0820de66", []},
+  "mix_gleam": {:hex, :mix_gleam, "0.1.0", "a0cee5d30de865124a32ca6cd53b64c3e2ac57f12adf6e47b88fb673f47c716e", [:mix], [], "hexpm", "9ff518e6aab444c7f2e74038f9383020ef89810cf1f4402911f33b202ffd72e7"},
+}

src/qr_push/mailbox.gleam

@@ -24,9 +24,7 @@ fn loop(receive, target, pull_check, push_check, follower, message) {
       }
     }
     // Front end
-    // Clean up registry notes
     // make public
-    // suggestions of default release in template project
     Some(Redirect(from, push_secret)) -> {
       let True = push_check == push_secret
       process.reply(from, target)

src/registry/local.gleam

@@ -50,24 +50,10 @@ pub fn spawn_link() {
   process.spawn_link(loop(_, map.new(), map.new()))
 }
 
-// returns Result(Option), None is because Key already registered, normal operation.
-// error is for failure to contact registry, dead pid, or in larger systems no consensus.
-// new_or_create works for returning existing value
-// Return a Registered(pid), Existing(pid)
-// Is it just OK(pid) | error Pid
 pub fn register(registry, key, create) {
   process.call(registry, Register(_, key, create), Infinity)
 }
 
 pub fn lookup(registry, key) {
   process.call(registry, Lookup(_, key), Infinity)
 }
-// register_new
-// register_replace (if pid what you do)
-// update === register_replace(option)
-// pub fn register(registry: Registry(a, b), key: a, create: fn(Option(b)) -> Option(b)) -> Result(b, Nil) {
-// Option is an already started value response
-// Ok(Ok(b) Exists)
-// pub fn lookup()
-// update(key, modify)
-// Can have a call function that sends a Down message from registry if needed

test.js

@@ -1,7 +1,7 @@
 (async function(){
   console.log("hello")
 
-  var response = await fetch("http://localhost:8080/start", {
+  var response = await fetch("https://qrpu.sh/start", {
     method: "POST",
     body: "target=http://localhost:7000/foo"
   })
@@ -15,20 +15,20 @@
   var [_, push_token] = redirect_uri.split(".sh/")
   console.log(push_token);
 
-  var pullPromise = fetch("http://localhost:8080/pull", {
+  var pullPromise = fetch("https://qrpu.sh/pull", {
     headers: {
       authorization: "Bearer " + pull_token
     }
   })
 
-  var response = await fetch("http://localhost:8080/push", {
-    method: "POST",
-    headers: {
-      authorization: "Bearer " + push_token
-    },
-    body: "Hello there"
-  })
-  console.log(response);
+  // var response = await fetch("https://qrpu.sh/push", {
+  //   method: "POST",
+  //   headers: {
+  //     authorization: "Bearer " + push_token
+  //   },
+  //   body: "Hello there"
+  // })
+  // console.log(response);
 
   var response = await pullPromise
   console.log(response);

test/qr_push_test.exs

@@ -0,0 +1,8 @@
+defmodule QrPushTest do
+  use ExUnit.Case
+
+  test "hello" do
+    assert "foo" == :[email protected]("Foo")
+    assert nil == :[email protected]("hello")
+  end
+end

test/test_helper.exs

@@ -0,0 +1 @@
+ExUnit.start()