Implement releases

lib/mix/tasks/mebe.build.frontend.ex

@@ -0,0 +1,18 @@
+defmodule Mix.Tasks.Mebe.Build.Frontend do
+  use MBU.BuildTask, auto_path: false, create_out_path: false
+  import MBU.TaskUtils
+
+  @shortdoc "Build Mebe2 frontend"
+
+  @deps ["mebe.clean"]
+
+  task _ do
+    frontend_path = Path.join([File.cwd!(), "lib", "web", "frontend"])
+
+    [
+      exec(System.find_executable("bsb"), [], name: "ocaml", cd: frontend_path),
+      exec(System.find_executable("node"), ["fuse", "build"], name: "fusebox", cd: frontend_path)
+    ]
+    |> listen()
+  end
+end

lib/web/frontend/fuse.js

@@ -2,6 +2,8 @@ const { FuseBox, QuantumPlugin, SassPlugin, CSSPlugin, CSSResourcePlugin } = req
 
 const DIST_PATH = '../../../priv/static';
 
+const BUILD_ONLY = process.argv.length > 2 && process.argv[2] === 'build';
+
 const IS_PRODUCTION = process.env.NODE_ENV === 'production';
 
 const fuse = FuseBox.init({
@@ -23,7 +25,7 @@ const fuse = FuseBox.init({
   ]
 });
 
-if (!IS_PRODUCTION) {
+if (!IS_PRODUCTION && !BUILD_ONLY) {
   fuse.dev({
     port: 2125,
     proxy: {
@@ -37,7 +39,7 @@ if (!IS_PRODUCTION) {
 
 const app = fuse.bundle('app').instructions(`> index.bs.js + style/index.scss`);
 
-if (!IS_PRODUCTION) {
+if (!IS_PRODUCTION && !BUILD_ONLY) {
   app.hmr({ reload: true }).watch();
 }
 

mix.exs

@@ -28,7 +28,8 @@ defmodule Mebe2.MixProject do
       {:calendar, "~> 0.17.4"},
       {:ex2ms, "~> 1.5.0"},
       {:mbu, "~> 3.0.0", runtime: false},
-      {:exsync, "~> 0.2.3", only: :dev}
+      {:exsync, "~> 0.2.3", only: :dev},
+      {:distillery, "~> 2.0"}
     ]
   end
 end

mix.lock

@@ -1,10 +1,12 @@
 %{
   "ace": {:hex, :ace, "0.17.1", "89c6d0940151f194f6572cfeb0e62295d14f344f90f01eeb625dd2b60ab7cd79", [:mix], [{:hpack, "~> 0.2.3", [hex: :hpack_erl, repo: "hexpm", optional: false]}, {:raxx, "~> 0.16.0", [hex: :raxx, repo: "hexpm", optional: false]}], "hexpm"},
+  "artificery": {:hex, :artificery, "0.2.6", "f602909757263f7897130cbd006b0e40514a541b148d366ad65b89236b93497a", [:mix], [], "hexpm"},
   "calendar": {:hex, :calendar, "0.17.4", "22c5e8d98a4db9494396e5727108dffb820ee0d18fed4b0aa8ab76e4f5bc32f1", [:mix], [{:tzdata, "~> 0.5.8 or ~> 0.1.201603", [hex: :tzdata, repo: "hexpm", optional: false]}], "hexpm"},
   "certifi": {:hex, :certifi, "2.3.1", "d0f424232390bf47d82da8478022301c561cf6445b5b5fb6a84d49a9e76d2639", [:rebar3], [{:parse_trans, "3.2.0", [hex: :parse_trans, repo: "hexpm", optional: false]}], "hexpm"},
   "cookie": {:hex, :cookie, "0.1.1", "89438362ee0f0ed400e9f076d617d630f82d682e3fbcf767072a46a6e1ed5781", [:mix], [], "hexpm"},
   "cowboy": {:hex, :cowboy, "2.4.0", "f1b72fabe9c8a5fc64ac5ac85fb65474d64733d1df52a26fad5d4ba3d9f70a9f", [:rebar3], [{:cowlib, "~> 2.3.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.5.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm"},
   "cowlib": {:hex, :cowlib, "2.3.0", "bbd58ef537904e4f7c1dd62e6aa8bc831c8183ce4efa9bd1150164fe15be4caa", [:rebar3], [], "hexpm"},
+  "distillery": {:hex, :distillery, "2.0.11", "9259399cb64c88e2df6bbaef29e09b0a81d16d0155203ebf65c6be7b95f7b744", [:mix], [{:artificery, "~> 0.2", [hex: :artificery, repo: "hexpm", optional: false]}], "hexpm"},
   "earmark": {:hex, :earmark, "1.2.6", "b6da42b3831458d3ecc57314dff3051b080b9b2be88c2e5aa41cd642a5b044ed", [:mix], [], "hexpm"},
   "eex_html": {:hex, :eex_html, "0.1.1", "df7ad68245068d5fea0dab2a38e5afdc386ec00a5b6445eac6402ed7aa6a2b12", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm"},
   "ex2ms": {:hex, :ex2ms, "1.5.0", "19e27f9212be9a96093fed8cdfbef0a2b56c21237196d26760f11dfcfae58e97", [:mix], [], "hexpm"},

rel/config.exs

@@ -0,0 +1,69 @@
+# Import all plugins from `rel/plugins`
+# They can then be used by adding `plugin MyPlugin` to
+# either an environment, or release definition, where
+# `MyPlugin` is the name of the plugin module.
+~w(rel plugins *.exs)
+|> Path.join()
+|> Path.wildcard()
+|> Enum.map(&Code.eval_file(&1))
+
+use Mix.Releases.Config,
+  # This sets the default release built by `mix release`
+  default_release: :default,
+  # This sets the default environment used by `mix release`
+  default_environment: Mix.env()
+
+# For a full list of config options for both releases
+# and environments, visit https://hexdocs.pm/distillery/config/distillery.html
+
+# You may define one or more environments in this file,
+# an environment's settings will override those of a release
+# when building in that environment, this combination of release
+# and environment configuration is called a profile
+
+environment :dev do
+  # If you are running Phoenix, you should make sure that
+  # server: true is set and the code reloader is disabled,
+  # even in dev mode.
+  # It is recommended that you build with MIX_ENV=prod and pass
+  # the --env flag to Distillery explicitly if you want to use
+  # dev mode.
+  set(dev_mode: true)
+  set(include_erts: false)
+  set(cookie: :"k(2`m4yq3i$1?0<[)TwNJEVE/Qy.KA&3rl=2C}g7d0bCVx93s^7r5Y%_.&:m,%JX")
+end
+
+environment :prod do
+  plugin(Mebe2.ReleasePlugins.BuildStatics)
+  set(include_erts: true)
+  set(include_src: false)
+  set(cookie: System.get_env("COOKIE") |> String.to_atom())
+  set(vm_args: "rel/vm.args")
+
+  set(
+    config_providers: [
+      {Mix.Releases.Config.Providers.Elixir, ["${RELEASE_ROOT_DIR}/etc/config.exs"]}
+    ]
+  )
+
+  set(
+    overlays: [
+      {:copy, "rel/config/config.exs", "etc/config.exs"}
+    ]
+  )
+end
+
+# You may define one or more releases in this file.
+# If you have not set a default release, or selected one
+# when running `mix release`, the first release in the file
+# will be used by default
+
+release :mebe_2 do
+  set(version: current_version(:mebe_2))
+
+  set(
+    applications: [
+      :runtime_tools
+    ]
+  )
+end

rel/config/config.exs

@@ -0,0 +1,12 @@
+use Mix.Config
+
+# This file is used for configuring the Mebe2 release after release generation time. You can
+# override settings that were set during release compilation time using this file by copying the
+# settings over and setting a new value for them.
+
+# Example:
+#     config :mebe_2,
+#       data_path: "/foo/bar"
+
+# Note: Some settings can be also configured by using environment variables. The values from env
+# vars will overwrite the values set here.

rel/plugins/.gitignore

@@ -0,0 +1,3 @@
+*.*
+!*.exs
+!.gitignore

rel/plugins/build_statics.exs

@@ -0,0 +1,23 @@
+defmodule Mebe2.ReleasePlugins.BuildStatics do
+  use Mix.Releases.Plugin
+
+  @moduledoc """
+  Distillery plugin for generating static files (i.e. the frontend) before building the release.
+  """
+
+  def before_assembly(release, _opts) do
+    info("Building static assets for release")
+
+    # Minify assets if generating prod release
+    if Mix.env() == :prod do
+      System.put_env("NODE_ENV", "production")
+    end
+
+    Mix.Task.run("mebe.build.frontend")
+    release
+  end
+
+  def after_assembly(release, _opts), do: release
+  def before_package(release, _opts), do: release
+  def after_package(release, _opts), do: release
+end

rel/vm.args

@@ -0,0 +1,30 @@
+## This file provide the arguments provided to the VM at startup
+## You can find a full list of flags and their behaviours at
+## http://erlang.org/doc/man/erl.html
+
+## Name of the node
+-name <%= System.get_env("NODENAME") || release_name %>@127.0.0.1
+
+## Cookie for distributed erlang
+-setcookie <%= System.get_env("COOKIE") || release.profile.cookie %>
+
+## Heartbeat management; auto-restarts VM if it dies or becomes unresponsive
+## (Disabled by default..use with caution!)
+##-heart
+
+## Enable kernel poll and a few async threads
+##+K true
+##+A 5
+## For OTP21+, the +A flag is not used anymore,
+## +SDio replace it to use dirty schedulers
+##+SDio 5
+
+## Increase number of concurrent ports/sockets
+##-env ERL_MAX_PORTS 4096
+
+## Tweak GC to run more often
+##-env ERL_FULLSWEEP_AFTER 10
+
+# Enable SMP automatically based on availability
+# On OTP21+, this is not needed anymore.
+-smp auto