Episode 98 source

config

# Edeliver config
APP="chit_chat"

BUILD_HOST="doesit.run"
BUILD_USER="alchemist"
BUILD_AT="/home/alchemist/builds/chitchat"

PRODUCTION_HOSTS="doesit.run"
PRODUCTION_USER="alchemist"
DELIVER_TO="/home/alchemist/releases"

pre_erlang_get_and_update_deps() {
  local _prod_secret_path="/home/alchemist/configs/chitchat/prod.secret.exs"
  if [ "$TARGET_MIX_ENV" = "prod" ]; then
    __sync_remote "
      ln -sfn '$_prod_secret_path' '$BUILD_AT/config/prod.secret.exs'
    "
  fi
}

pre_erlang_clean_compile() {
  status "Installing NPM dependencies"
  __sync_remote "  # runs the commands on the build host
    [ -f ~/.profile ] && source ~/.profile # load profile
    set -e # fail if any command fails

    cd '$BUILD_AT' # go to the build directory on the build host
    yarn install $SILENCE
  "

  status "Building static files"
  __sync_remote "
    [ -f ~/.profile ]
    set -e

    cd '$BUILD_AT'
    mkdir -p priv/static
    cd assets && yarn && yarn run deploy $SILENCE
  "

  status "Running phx.digest"
  __sync_remote "
    [ -f ~/.profile ] && source ~/.profile
    set -e

    cd '$BUILD_AT'
    APP='$APP' MIX_ENV='$TARGET_MIX_ENV' $MIX_CMD ecto.migrate $SILENCE
    APP='$APP' MIX_ENV='$TARGET_MIX_ENV' $MIX_CMD phx.digest.clean $SILENCE
    APP='$APP' MIX_ENV='$TARGET_MIX_ENV' $MIX_CMD phx.digest $SILENCE
  "
}

doesit.run

# in /etc/nginx/sites-available/

upstream doesit.run {
  server 127.0.0.1:4005;
}

## Serves https
server {
  root /var/www/doesit.run/html;
  index index.html index.htm index.nginx-debian.html;
  server_name doesit.run www.doesit.run;

  location / {
    allow all;

    # Proxy Headers    
    proxy_pass http://doesit.run;
    proxy_http_version 1.1;
    proxy_set_header Host $host;
    proxy_cache_bypass $http_upgrade;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Cluster-Client-Ip $remote_addr;

    # WebSockets
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection 'upgrade';
  }

  listen [::]:443 ssl http2;
  listen 443 ssl http2;

  include /etc/nginx/snippets/letsencrypt.conf;

  ssl_certificate /etc/letsencrypt/live/www.doesit.run/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/www.doesit.run/privkey.pem;
  ssl_trusted_certificate /etc/letsencrypt/live/www.doesit.run/fullchain.pem;

}
## Serves http
server {
  if ($host = www.doesit.run) {
    return 301 https://$host$request_uri;
  }
  if ($host = doesit.run) {
      return 301 https://$host$request_uri;
  }

  index index.html index.htm index.nginx-debian.html;
  server_name doesit.run www.doesit.run;
  listen 80;
  listen [::]:80;

  include /etc/nginx/snippets/letsencrypt.conf;
  root /var/www/doesit.run/html;
}

mix.exs

defmodule ChitChat.MixProject do
  use Mix.Project

  def project do
    [
      app: :chit_chat,
      version: "0.1.0",
      elixir: "~> 1.8",
      elixirc_paths: elixirc_paths(Mix.env()),
      compilers: [:phoenix, :gettext] ++ Mix.compilers(),
      start_permanent: Mix.env() == :prod,
      aliases: aliases(),
      deps: deps()
    ]
  end

  def application do
    [
      mod: {ChitChat.Application, []},
      extra_applications: [:logger, :runtime_tools]
    ]
  end

  defp elixirc_paths(:test), do: ["lib", "test/support"]
  defp elixirc_paths(_), do: ["lib"]

  defp deps do
    [
      {:phoenix, "~> 1.4.0"},
      {:phoenix_pubsub, "~> 1.1.2"},
      {:phoenix_ecto, "~> 4.0"},
      {:ecto, "~> 3.0"},
      {:ecto_sql, "~> 3.0"},
      {:postgrex, ">= 0.0.0"},
      {:phoenix_html, "~> 2.11"},
      {:phoenix_live_reload, "~> 1.2-rc", only: :dev},
      {:gettext, "~> 0.11"},
      {:jason, "~> 1.0"},
      {:plug_cowboy, "~> 2.0"},
      {:comeonin, "~> 4.0"},
      {:argon2_elixir, "~> 1.2"},
      {:edeliver, ">= 1.6.0"},
      {:distillery, "~> 2.0", warn_missing: false}
    ]
  end

  defp aliases do
    [
      "ecto.setup": ["ecto.create", "ecto.migrate", "run priv/repo/seeds.exs"],
      "ecto.reset": ["ecto.drop", "ecto.setup"],
      test: ["ecto.create --quiet", "ecto.migrate", "test"]
    ]
  end
end

prod.exs

use Mix.Config

config :chit_chat, ChitChatWeb.Endpoint,
  http: [:inet6, port: 4005],
  url: [host: "doesit.run", port: 80],
  cache_static_manifest: "priv/static/cache_manifest.json",
  server: true,
  code_reloader: false

config :logger, level: :info

import_config "prod.secret.exs"

prod.secret.exs

use Mix.Config

config :chit_chat, ChitChatWeb.Endpoint,
  secret_key_base: "RmQ6jWRiQlivUTQQ2GtqqOtoE+DI18NRLUfvO9NHqEMTHAJTx7V+mCwtwjmdGtz/" # create with `mix phx.gen.secret`

# Configure your database
config :chit_chat, ChitChat.Repo,
  adapter: Ecto.Adapters.Postgres,
  username: "chit_chat",
  password: "a very secret pw",
  hostname: "localhost",
  database: "chit_chat_prod",
  pool_size: 10